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Giok KC, Veettil SK, Menon RK. Risk factors for Peri-implantitis: An umbrella review of meta-analyses of observational studies and assessment of biases. J Dent 2024; 146:105065. [PMID: 38762079 DOI: 10.1016/j.jdent.2024.105065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2024] [Revised: 05/09/2024] [Accepted: 05/10/2024] [Indexed: 05/20/2024] Open
Abstract
OBJECTIVES To perform a comprehensive quantitative and qualitative analysis of the findings from previously published meta-analyses and to assess existing biases. DATA/SOURCES A search was conducted for meta-analyses of observational studies investigating the association between any risk factor and peri‑implantitis in PubMed, Scopus, Cochrane Database of Systematic Reviews, and Epistemonikos, from inception until October 2023 (PROSPERO: CRD42024512408). STUDY SELECTION From a total of 5002 publications, 51 full-text articles were evaluated for eligibility, and 12 articles that described 41 unique meta-analyses evaluating the association between risk factors and periimplantitis were selected. Among 41 associations, 24 associations were significant. None of the associations were graded as convincing evidence. Two associations, presence of periodontitis (OR = 3.84 [95 % CI 2.58,5.72]) and cigarette smoking (RR=2.07 [95 % CI 1.41,3.04]) were graded as highly suggestive. Eight associations, diabetes mellitus, hyperglycaemia, lack of prophylaxis, history of chronic periodontal disease, ongoing or history of periodontal disease, implants located in the anterior region of the jaw (maxillary and mandibular), osteoprotegerin (OPG) gene polymorphisms, and lack of keratinized mucosal width were graded as suggestive evidence. CONCLUSIONS Periodontitis and cigarette smoking are highly suggestive risk factors for peri‑implantitis. The remaining risk factors which are suggestive require more high-quality studies to be performed to upgrade the level of evidence. CLINICAL SIGNIFICANCE The highly suggestive and suggestive risk factors for peri‑implantitis summarized in this umbrella review should be rigorously assessed, monitored and managed by clinicians to reduce the risk peri‑implantitis, as well as to form part of the preoperative consent process.
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Affiliation(s)
- Koay Chun Giok
- School of Dentistry, International Medical University, Kuala Lumpur, Wilayah Persekutuan, Malaysia
| | - Sajesh K Veettil
- School of Pharmacy, Department of Pharmacy Practice, College of pharmacy, International Medical University, Kuala Lumpur, Wilayah Persekutuan, Malaysia; School of Medicine, Taylor's University, Subang Jaya, Selangor, Malaysia
| | - Rohit Kunnath Menon
- Prosthodontics, College of Dentistry, Ajman University, Ajman, United Arab Emirates.
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Liu Y, Lei F, Yao D, Zhang X, Huang X, Cai J, Deng KQ, Cheng B. Ill-fitting prosthesis is associated with an increased risk of elevated blood pressures. J Oral Rehabil 2024; 51:1123-1134. [PMID: 38491740 DOI: 10.1111/joor.13684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 12/08/2023] [Accepted: 03/02/2024] [Indexed: 03/18/2024]
Abstract
OBJECTIVE Previous studies focused on the benefits of adequate prosthodontic treatment, while few studies have investigated the prosthodontic-related risks to health. As a modifiable oral health indicator, the association of ill-fitting prosthesis (IFP) with hypertension has not been fully explored. METHODS This cross-sectional study involved 158,659 adults in Beijing (2009-2017) receiving intra-oral examinations and blood pressure measurements. Logistic regression models were applied to assess the association of IFP with the prevalence of hypertension, systolic blood pressure (SBP) ≧ 140 mmHg and diastolic blood pressure (DBP) ≧ 90 mmHg, as well as subgroup analyses by different fixed IFP subgroups (according to involved teeth number) and removable IFP subgroup. We further investigated effect modifications among stratified populations. RESULTS 158,659 individuals were included for analysis, 346 (26.86%) in IFP group and 27,380 (17.40%) in non-IFP group (p < 0.001) were hypertensive. After adjustment of sex, age, obesity, dyslipidaemia, diabetes, hsCRP, family history of CVD, self-reported smoking, self-reported drinking and WC, ORs of hypertension, SBP ≧ 140 mmHg and DBP ≧ 90 mmHg were 1.330 (95% CI: 1.162-1.522), 1.277 (95% CI: 1.098-1.486) and 1.376 (95% CI: 1.186-1.596), respectively (p < 0.05). Furthermore, after full adjustment, the number of involved teeth showed a significant incremental trend with hypertension risk in the population with and without IFP (p for trend <0.001). The IFP-blood pressure associations were more pronounced in females, 18-60 years, non-obese and diabetic participants. CONCLUSION As a modifiable oral indicator, IFP was significantly associated with a higher risk of hypertension.
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Affiliation(s)
- Yang Liu
- Department of Stomatology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Fang Lei
- School of Basic Medical Science, Wuhan University, Wuhan, China
| | - Dongai Yao
- Health Examination Center, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Xingyuan Zhang
- School of Basic Medical Science, Wuhan University, Wuhan, China
| | - Xuewei Huang
- Department of Cardiology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Jingjing Cai
- Department of Cardiology, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Ke-Qiong Deng
- Department of Cardiology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Bo Cheng
- Department of Stomatology, Zhongnan Hospital of Wuhan University, Wuhan, China
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Sung CE, Chung KH, Lin FG, Huang RY, Cheng WC, Chen WL. Periodontal conditions of teeth adjacent to dental implants with or without peri-implantitis after non-surgical therapy in patients treated for periodontitis: A retrospective study. Clin Oral Implants Res 2024. [PMID: 38860518 DOI: 10.1111/clr.14316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2023] [Revised: 04/16/2024] [Accepted: 05/27/2024] [Indexed: 06/12/2024]
Abstract
OBJECTIVES To retrospectively assess the periodontal conditions of teeth adjacent to and contralateral to implants presenting with or without peri-implantitis, following non-surgical periodontal and peri-implant mechanical therapy. MATERIALS AND METHODS One hundred and one patients with existing dental implants and chronic periodontitis, who underwent non-surgical periodontal and peri-implant mechanical therapy, were included. The periodontal clinical probing depth (PPD), gingival recession (GR), and bleeding on probing (BOP) were recorded at six sites around the adjacent (Adj-) teeth and the contralateral (CL-) teeth relative to the implant. The potential factors influencing the periodontal conditions of 316 teeth were analyzed by multivariate linear regression models with generalized estimating equation methods and α = .05. RESULTS The PPD of Adj-teeth was significantly different from that of CL-teeth before and after non-surgical therapy when the implant was diagnosed with peri-implantitis (PI) (p < .05). The PPD of teeth was shown to be affected by neighboring implants diagnosed with peri-implantitis (β = .825 mm, p < .001), teeth adjacent to implants (β = .245 mm, p = .004), a molar tooth type (β = .435 mm, p = .019), and non-surgical therapy (β = -.522 mm, p < .001). CONCLUSIONS Relatively compromised periodontal conditions at Adj-teeth after non-surgical PI therapy were detected. Therefore, clinicians should be aware that non-surgical therapy may be less successful at teeth adjacent to implants with PI.
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Affiliation(s)
- Cheng-En Sung
- Department of Periodontology, School of Dentistry, Tri-Service General Hospital and National Defense Medical Center, Taipei, Taiwan
- Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei, Taiwan
| | - Kwok-Hung Chung
- Department of Restorative Dentistry, School of Dentistry, University of Washington, Seattle, Washington, USA
| | - Fu-Gong Lin
- Department of Optometry, Asia University, Taichung, Taiwan
- School of Public Health, National Defense Medical Center, Taipei, Taiwan
| | - Ren-Yeong Huang
- Department of Periodontology, School of Dentistry, Tri-Service General Hospital and National Defense Medical Center, Taipei, Taiwan
- Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei, Taiwan
| | - Wan-Chien Cheng
- Department of Periodontology, School of Dentistry, Tri-Service General Hospital and National Defense Medical Center, Taipei, Taiwan
- Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei, Taiwan
| | - Wei-Liang Chen
- Division of Geriatric Medicine, Department of Family and Community Medicine, Tri-Service General Hospital, and School of Medicine, National Defense Medical Center, Taipei, Taiwan
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Ortiz-Echeverri AM, Gallego-González C, Castaño-Granada MC, Tobón-Arroyave SI. Risk indicators associated with peri-implant diseases: a retrospective cross-sectional study of Colombian patients with 1 to 18 years of follow-up. J Periodontal Implant Sci 2024; 54:161-176. [PMID: 37681355 PMCID: PMC11227929 DOI: 10.5051/jpis.2300140007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 05/30/2023] [Accepted: 06/04/2023] [Indexed: 09/09/2023] Open
Abstract
PURPOSE Peri-implant mucositis (PIM) and peri-implantitis (PI) are multicausal conditions with several risk factors contributing to their pathogenesis. In this study, we retrospectively investigated risk variables potentially associated with these peri-implant diseases (PIDs) over a follow-up period of 1 to 18 years. METHODS The study sample consisted of 379 implants placed in 155 patients. Single-visit clinical and radiographic evaluations were employed to determine the presence or absence of PIDs. Parameters related to the patient, site, surgery, implant, and prosthetic restoration were documented. The relationships between risk variables and the occurrence of PIDs were individually examined and adjusted for confounders using multivariate binary logistic regression models. RESULTS The prevalence rates of PIM and PI were 28.4% and 36.8% at the patient level and 33.5% and 24.5% at the implant level, respectively. Poor oral hygiene, active gingivitis/periodontitis, preoperative alveolar ridge deficiency, early or delayed implant placement, implant length of 11.0 mm or less, and poor restoration quality were strong and independent risk indicators for both PIDs. Furthermore, a follow-up period of more than 5 years and a loading time of more than 4 years were important indicators for PI. Simultaneously, age and smoking status acted as modifiers of the effect of mesiodistal (MD) and buccolingual (BL) widths of restoration on PI. CONCLUSIONS In this study population, oral hygiene, periodontal status, preoperative alveolar ridge status, implant placement protocol, implant length, and the quality of coronal restoration appear to be robust risk indicators for both PIM and PI. Additionally, the length of follow-up and functional loading time are robust indicators of PI. Furthermore, the potential modifying relationships of age and smoking status with the MD and BL widths of restoration may be crucial for the development of PI.
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Affiliation(s)
| | - Carolina Gallego-González
- Periodontology Section, University Health Care Provider (IPS Universitaria), University of Antioquia, Medellín, Colombia
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Rebeiz T, Nasr L, Kassir AR, Menassa G, Chakar C. Assessment of the association between the Implant Disease Risk Assessment (IDRA) tool and peri-implantitis: a retrospective cohort study with up to 8 years of follow-up. Int J Oral Maxillofac Surg 2024:S0901-5027(24)00147-4. [PMID: 38806315 DOI: 10.1016/j.ijom.2024.05.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 05/03/2024] [Accepted: 05/07/2024] [Indexed: 05/30/2024]
Abstract
The aim of this study was to evaluate the accuracy of the Implant Disease Risk Assessment (IDRA) tool in predicting the occurrence of peri-implantitis in patients who have received at least one implant, with a follow-up of up to 8 years. The records of patients who received one or more implants in the periodontology or oral surgery department of Saint Joseph University of Beirut between 2014 and 2018 were collected. Parameters related to the IDRA tool were obtained and the risk level calculated. Patients were recalled to assess their peri-implant status. The association between the IDRA risk level and the incidence of peri-implantitis was estimated. Overall, 145 patients were included in the study. A statistically significant association was found between the IDRA risk levels and the incidence of peri-implantitis (P = 0.003). High risk patients had 5.2 times higher odds of developing peri-implantitis than low-to-moderate risk patients (P < 0.001). Receiver operating characteristic curve analysis demonstrated a 69% probability that IDRA can identify patients at risk of developing peri-implantitis (P = 0.003). Further analysis found the percentage bleeding on probing to be the only significant IDRA vector. Within the limitations of this study, the IDRA tool is considered potentially useful for identifying patients at risk of developing peri-implantitis. It may serve as one component of a comprehensive peri-implant assessment, pending further enhancement of its predictive precision. Moreover, this tool can be considered before implant placement and during the periodontal maintenance phase. TRIAL REGISTRATION: ClinicalTrials.gov: NCT04888572.
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Affiliation(s)
- T Rebeiz
- Department of Periodontology, Faculty of Dental Medicine, Saint Joseph University of Beirut, Beirut, Lebanon.
| | - L Nasr
- Craniofacial Research Laboratory, Faculty of Dental Medicine, Saint Joseph University of Beirut, Beirut, Lebanon
| | - A R Kassir
- Department of Periodontology, Faculty of Dental Medicine, Saint Joseph University of Beirut, Beirut, Lebanon
| | - G Menassa
- Department of Periodontology, Faculty of Dental Medicine, Saint Joseph University of Beirut, Beirut, Lebanon
| | - C Chakar
- Department of Periodontology, Faculty of Dental Medicine, Saint Joseph University of Beirut, Beirut, Lebanon; Craniofacial Research Laboratory, Faculty of Dental Medicine, Saint Joseph University of Beirut, Beirut, Lebanon
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Yu YM, Lu YP, Zhang T, Zheng YF, Liu YS, Xia DD. Biomaterials science and surface engineering strategies for dental peri-implantitis management. Mil Med Res 2024; 11:29. [PMID: 38741175 DOI: 10.1186/s40779-024-00532-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Accepted: 04/29/2024] [Indexed: 05/16/2024] Open
Abstract
Peri-implantitis is a bacterial infection that causes soft tissue inflammatory lesions and alveolar bone resorption, ultimately resulting in implant failure. Dental implants for clinical use barely have antibacterial properties, and bacterial colonization and biofilm formation on the dental implants are major causes of peri-implantitis. Treatment strategies such as mechanical debridement and antibiotic therapy have been used to remove dental plaque. However, it is particularly important to prevent the occurrence of peri-implantitis rather than treatment. Therefore, the current research spot has focused on improving the antibacterial properties of dental implants, such as the construction of specific micro-nano surface texture, the introduction of diverse functional coatings, or the application of materials with intrinsic antibacterial properties. The aforementioned antibacterial surfaces can be incorporated with bioactive molecules, metallic nanoparticles, or other functional components to further enhance the osteogenic properties and accelerate the healing process. In this review, we summarize the recent developments in biomaterial science and the modification strategies applied to dental implants to inhibit biofilm formation and facilitate bone-implant integration. Furthermore, we summarized the obstacles existing in the process of laboratory research to reach the clinic products, and propose corresponding directions for future developments and research perspectives, so that to provide insights into the rational design and construction of dental implants with the aim to balance antibacterial efficacy, biological safety, and osteogenic property.
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Affiliation(s)
- Ya-Meng Yu
- Department of Dental Materials, Peking University School and Hospital of Stomatology, Beijing, 100081, China
- National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing Key Laboratory of Digital Stomatology & NHC Key Laboratory of Digital Stomatology & NMPA Key Laboratory for Dental Materials, Beijing, 100081, China
| | - Yu-Pu Lu
- Department of Dental Materials, Peking University School and Hospital of Stomatology, Beijing, 100081, China
- National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing Key Laboratory of Digital Stomatology & NHC Key Laboratory of Digital Stomatology & NMPA Key Laboratory for Dental Materials, Beijing, 100081, China
| | - Ting Zhang
- School of Materials Science and Engineering, Peking University, Beijing, 100871, China
| | - Yu-Feng Zheng
- School of Materials Science and Engineering, Peking University, Beijing, 100871, China.
| | - Yun-Song Liu
- National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing Key Laboratory of Digital Stomatology & NHC Key Laboratory of Digital Stomatology & NMPA Key Laboratory for Dental Materials, Beijing, 100081, China.
- Department of Prosthodontics, Peking University School and Hospital of Stomatology, Beijing, 100081, China.
| | - Dan-Dan Xia
- Department of Dental Materials, Peking University School and Hospital of Stomatology, Beijing, 100081, China.
- National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing Key Laboratory of Digital Stomatology & NHC Key Laboratory of Digital Stomatology & NMPA Key Laboratory for Dental Materials, Beijing, 100081, China.
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Gaikwad A, Rachh P, Raut K, Nadgere J. Critical appraisal of YouTube videos regarding peri-implant diseases and conditions: A cross-sectional analysis. Clin Oral Implants Res 2024; 35:498-509. [PMID: 38396373 DOI: 10.1111/clr.14246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 11/04/2023] [Accepted: 02/02/2024] [Indexed: 02/25/2024]
Abstract
PURPOSE To critically appraise the quality and reliability of YouTube videos regarding peri-implant diseases and conditions as a source of information for patients, students, and young clinicians. MATERIALS AND METHODS In March 2023, electronic searches were performed on YouTube website to identify videos related to peri-implant diseases and conditions. We considered only the relevant 250 English-language videos with durations between 3 and 30 min for final analyses. Following the eligibility criteria videos were evaluated for their demographic data, including number of views; number of likes, dislikes, and comments; days since upload; duration; and number of subscribers. Moreover, two assessors independently evaluated the quality and reliability of the included videos using the DISCERN and Video Information and Quality Index (VIQI) tools. Statistical analyses were performed using the Kruskal-Wallis test and Spearman correlation analysis (∝ = 0.05). RESULTS A total of 69 videos were included for profound analyses. The average DISCERN and VIQI scores were 35.04 ± 6.3 and 14.18 ± 2.46, with 53 videos categorized as "poor" quality using the DISCERN tool. A Spearman rank correlation analysis presented a strong agreement between the DISCERN and VIQI scores (r = .753; p < .001). Nevertheless, based on different sources of upload, no statistically significant differences were reported for video demographics, interaction index, and DISCERN and VIQI scores. CONCLUSIONS Although YouTube videos on peri-implant diseases and conditions present accurate preliminary information, their reliability still remains uncertain. Hence, we urge respective policymakers to recognize, endorse and produce high-quality videos for accurate information dissemination.
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Affiliation(s)
- Amit Gaikwad
- Department of Prosthodontics and Crown & Bridge, MGM Dental College and Hospital, Navi Mumbai, Maharashtra, India
| | - Pranidhipurnima Rachh
- Department of Prosthodontics and Crown & Bridge, MGM Dental College and Hospital, Navi Mumbai, Maharashtra, India
| | - Kaustubh Raut
- Department of Prosthodontics and Crown & Bridge, MGM Dental College and Hospital, Navi Mumbai, Maharashtra, India
| | - Jyoti Nadgere
- Department of Prosthodontics and Crown & Bridge, MGM Dental College and Hospital, Navi Mumbai, Maharashtra, India
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Khetarpal S, Nathani J, Ratre MS, Solanki M. Application of Hard and Soft Tissue Regenerative Approach in Predictable Management of Peri-Implantitis: A Five-Year Follow-Up Case Report. Cureus 2024; 16:e60307. [PMID: 38882948 PMCID: PMC11176276 DOI: 10.7759/cureus.60307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/13/2024] [Indexed: 06/18/2024] Open
Abstract
As implant dentistry expands, the number of implants being placed increases, and so does the prevalence of associated complications, resulting in implant failure if not timely attended. The present case report aims to discuss the successful regenerative management of peri-implantitis by both hard and soft tissue augmentation with a five-year follow-up. A 60-year-old male reported a chief complaint of purulent discharge, 7 mm peri-implant probing depth, and radiographic bone loss with no pathologic mobility of the dental implant. The reflection of the full-thickness flap revealed a circumferential defect. Guided bone regeneration (GBR) was performed using a combination of autogenous and alloplastic bone grafts around the implant site. To maintain the peri-implant marginal bone level, soft tissue augmentation was done using the vestibular incision subperiosteal tunnel access (VISTA) approach, after six months. A five-year follow-up showed a significant bone fill and stable soft tissue around the implant clinically and radiographically.
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Affiliation(s)
| | - Jaya Nathani
- Periodontology, Bhabha College of Dental Sciences, Bhopal, IND
| | - Madhu S Ratre
- Periodontology, Government College of Dentistry, Indore, IND
| | - Mishthu Solanki
- Pediatric and Preventive Dentistry, Smile Makers Dental Clinic, Indore, IND
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Polymeri A, Marti KC, Aronovich S, Inglehart MR. Periodontists and oral surgeons' peri-implantitis-related education, knowledge, attitudes, and professional behavior: A national survey. J Dent Educ 2024. [PMID: 38661517 DOI: 10.1002/jdd.13547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Revised: 02/26/2024] [Accepted: 03/28/2024] [Indexed: 04/26/2024]
Abstract
OBJECTIVES Each year, approximately 5 million dental implants are placed in the United States and one out of three patients is likely to experience peri-implantitis (PI). The objectives were to compare the PI-related education, knowledge, attitudes, and professional behavior of periodontists and oral maxillofacial surgeons (OMS), and to explore relationships between these constructs of interest. METHODS A total of 389 periodontists and 161 OMS responded to a web-based survey. Descriptive and inferential statistical analyses (independent sample t-tests, chi-square tests, and correlational analyses) were conducted. RESULTS On average, periodontists reported a higher percentage of time spent in residency on implant surgery (21.02% vs. 7.27%; p < 0.001), better education about PI (5-point scale with 1 = not at all well: means: 2.86 vs. 2.59; p < 0.001), and better knowledge of risk factors (4.07 vs. 3.86; p < 0.001) than OMS. Periodontists argued that oral hygiene-related treatment (4.45 vs. 4.22; p = 0.001) and regeneration-focused treatments such as guided tissue regeneration (3.62 vs. 3.20; p < 0.001) contributed more to successfully treating PI and used these treatments more in their practices (4.86 vs. 4.56; p < 0.001/3.06 vs. 2.68; p < 0.001) than OMS. They also considered PI as a more serious problem than OMS (4.55 vs. 3.80; p < 0.001). The better the respondents' PI-related knowledge was, the more they considered PI as a serious problem (r = 0.19; p < 0.001). The more cases they treated per month, the more they considered PI as a serious problem (r = 0.19; p < 0.001). CONCLUSIONS The results of the present study highlight the lack of standardization in the specialty training of periodontists and OMS. Best practice guidelines for the diagnosis and treatment of PI are needed to optimize graduate education about this important topic.
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Affiliation(s)
- Angeliki Polymeri
- Department of Periodontology, University of Amsterdam and Vrije Universiteit, Academic Centre for Dentistry Amsterdam (ACTA), Amsterdam, The Netherlands
| | - Kyriaki C Marti
- Department of Periodontics and Oral Medicine, School of Dentistry, University of Michigan, Ann Arbor, Michigan, USA
| | - Sharon Aronovich
- Department of Oral and Maxillofacial Surgery, School of Dentistry, University of Michigan, Ann Arbor, Michigan, USA
- Department of Oral and Maxillofacial Surgery, University of Michigan Medical School, Ann Arbor, Michigan, USA
| | - Marita R Inglehart
- Department of Periodontics and Oral Medicine, School of Dentistry, University of Michigan, Ann Arbor, Michigan, USA
- Department of Psychology, College of Literature, Science and the Arts (LS&A), University of Michigan, Ann Arbor, Michigan, USA
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Parga A, Pose-Rodríguez JM, Muras A, Baus-Domínguez M, Otero-Casal P, Ortega-Quintana ML, Torres-Lagares D, Otero A. Do Concurrent Peri-Implantitis and Periodontitis Share Their Microbiotas? A Pilot Study. Dent J (Basel) 2024; 12:113. [PMID: 38668025 PMCID: PMC11049029 DOI: 10.3390/dj12040113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 04/07/2024] [Accepted: 04/16/2024] [Indexed: 04/28/2024] Open
Abstract
The microbial compositions from concurrent peri-implant and periodontal lesions were compared, since the results reported in the literature on the etiological relationship between these oral pathologies are contradictory. Microbial compositions from nine patients were evaluated using Illumina MiSeq sequencing of 16S rRNA gene amplicons and Principal Components Analysis. Comparisons between the use of curettes or paper points as collection methods and between bacterial composition in both pathologies were performed. Paper points allowed the recovery of a higher number of bacterial genera. A higher bacterial diversity was found in peri-implantitis compared to periodontal samples from the same patient, while a greater number of operational taxonomic units (OTUs) were present in the corresponding periodontal samples. A higher abundance of oral pathogens, such as Porphyromonas or Treponema, was found in peri-implantitis sites. The opposite trend was observed for Aggregatibacter abundance, which was higher in periodontal than in peri-implantitis lesions, suggesting that both oral pathologies could be considered different but related diseases. Although the analysis of a higher number of samples would be needed, the differences regarding the microbial composition provide a basis for further understating the pathogenesis of peri-implant infections.
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Affiliation(s)
- Ana Parga
- Department of Microbiology and Parasitology, CIBUS-Faculty of Biology, University of Santiago de Compostela, 15782 Santiago de Compostela, Spain; (A.P.); (A.M.)
- Aquatic One Health Research Center (iARCUS), Edificio CIBUS, Campus Vida, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - José Manuel Pose-Rodríguez
- Department of Surgery and Medical-Surgical Specialities, Faculty of Medicine and Odontology, University of Santiago de Compostela, 15782 Santiago de Compostela, Spain; (J.M.P.-R.); (M.L.O.-Q.)
| | - Andrea Muras
- Department of Microbiology and Parasitology, CIBUS-Faculty of Biology, University of Santiago de Compostela, 15782 Santiago de Compostela, Spain; (A.P.); (A.M.)
| | - María Baus-Domínguez
- Department of Stomatology, Faculty of Odontology, University of Seville, 41009 Sevilla, Spain; (M.B.-D.); (D.T.-L.)
| | - Paz Otero-Casal
- Department of Surgery and Medical-Surgical Specialities, Faculty of Medicine and Odontology, University of Santiago de Compostela, 15782 Santiago de Compostela, Spain; (J.M.P.-R.); (M.L.O.-Q.)
- Unit of Oral Health, Santa Comba-Negreira, (CS) SERGAS, 15840 Santiago de Compostela, Spain
| | - Marcos Luis Ortega-Quintana
- Department of Surgery and Medical-Surgical Specialities, Faculty of Medicine and Odontology, University of Santiago de Compostela, 15782 Santiago de Compostela, Spain; (J.M.P.-R.); (M.L.O.-Q.)
| | - Daniel Torres-Lagares
- Department of Stomatology, Faculty of Odontology, University of Seville, 41009 Sevilla, Spain; (M.B.-D.); (D.T.-L.)
| | - Ana Otero
- Department of Microbiology and Parasitology, CIBUS-Faculty of Biology, University of Santiago de Compostela, 15782 Santiago de Compostela, Spain; (A.P.); (A.M.)
- Aquatic One Health Research Center (iARCUS), Edificio CIBUS, Campus Vida, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
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Thomas S, Barrak F. Awareness of peri-implantitis among general dental practitioners in the UK: a questionnaire study. Br Dent J 2024:10.1038/s41415-024-7136-y. [PMID: 38443613 DOI: 10.1038/s41415-024-7136-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 09/25/2023] [Accepted: 10/03/2023] [Indexed: 03/07/2024]
Abstract
Introduction Dental implants are a predictable prosthetic option for replacement of missing teeth with good survival rates. Peri-implant diseases are the main reason for implant failure by causing bone loss around the implant leading to implant loss. General dental practitioners see patients with dental implants routinely and therefore, awareness of risk factors for peri-implant disease and early diagnosis is essential for appropriate management. The aim of this study is to assess the awareness of general dental practitioners in diagnosing peri-implantitis, with a view to identify any potential training needs.Design, setting, materials and methods A quantitative study method was designed using an online questionnaire sent to closed social media groups in the UK. The significance level was taken as p <0.05. The chi-squared tests and Kruskal-Wallis tests were used with IBM SPSS software. Descriptive statistical analysis of data was also done.Results and conclusion A total of 224 responses were received. The results show that there is lack of awareness of diagnostic criteria of peri-implantitis among general dental practitioners. However, majority of practitioners are aware of the legal implications of failing to diagnose this condition. There is a perceived need for more undergraduate training in diagnosing peri-implant diseases.
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Affiliation(s)
- Sonu Thomas
- School of Dentistry, University of Central Lancashire, Preston, PR1 2HE, UK.
| | - Fadi Barrak
- School of Dentistry, University of Central Lancashire, Preston, PR1 2HE, UK
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12
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Cai R, Liu Y, Wang X, Wei H, Wang J, Cao Y, Lei J, Li D. Influences of standardized clinical probing on peri-implant soft tissue seal in a situation of peri-implant mucositis: A histomorphometric study in dogs. J Periodontol 2024; 95:233-243. [PMID: 37515595 DOI: 10.1002/jper.23-0167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 07/20/2023] [Accepted: 07/24/2023] [Indexed: 07/31/2023]
Abstract
BACKGROUND Clinical probing is commonly recommended to evaluate peri-implant conditions. In a situation of peri-implant mucositis or peri-implantitis, the peri-implant seal healing from the disruption of soft tissue caused by probing has not yet been studied. This study aimed to investigate soft tissue healing after standardized clinical probing around osseointegrated implants with peri-implant mucositis in a dog model. METHODS Three transmucosal implants in each hemi-mandible of six dogs randomly assigned to the peri-implant healthy group or peri-implant mucositis group were probed randomly in the mesial or distal site as probing groups (PH or PM), the cross-sectional opposite sites as unprobed control groups. Histomorphometric measurements of implant shoulder (IS)-most coronal level of alveolar bone contact to the implant surface (BCI), apical termination of the junctional epithelium (aJE)-BCI, mucosal margin (MM)-BCI, and MM-aJE were performed at 1 day, 1 week, and 2 weeks after probing. Apoptosis, proliferation, proinflammatory cytokines, and matrix metalloproteinases (MMPs) of peri-implant soft tissue were estimated by immunofluorescent analysis. RESULTS In the PM group, apical migration of junctional epithelium was revealed by significantly decreased aJE-BCI from 1 day to 2 weeks in comparison to unprobed sites (p < 0.05), while no significant differences were found in the PH group. Immunofluorescent analysis showed higher levels of interleukin-1β (IL-1β), IL-6, tumor necrosis factor-α (TNF-α), MMP-1, and MMP-8, together with exaggerated apoptosis and proliferation of peri-implant soft tissue in the PM group. CONCLUSION Within the limitations, standardized clinical probing might lead to apical migration of the junctional epithelium in a situation of peri-implant mucositis.
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Affiliation(s)
- Rong Cai
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Oral Implants, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Yi Liu
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Oral Implants, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Xinge Wang
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Oral Implants, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Hongbo Wei
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Oral Implants, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Jin Wang
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Oral Implants, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Yanze Cao
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Oral Implants, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Jiaqi Lei
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Oral Implants, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Dehua Li
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Oral Implants, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, China
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Roma M, Hegde S. Implications of graphene-based materials in dentistry: present and future. Front Chem 2024; 11:1308948. [PMID: 38495056 PMCID: PMC10941955 DOI: 10.3389/fchem.2023.1308948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Accepted: 12/26/2023] [Indexed: 03/19/2024] Open
Abstract
Since the advent of nanoscience, nanobiomaterials have been applied in the dental industry. Graphene and its derivatives have attracted the most interest of all of them due to their exceptional look, biocompatibility, multiplication differential, and antibacterial capabilities. We outlined the most recent developments about their applications to dentistry in our review. There is discussion of the synthesis processes, architectures, and characteristics of materials based on graphene. The implications of graphene and its counterparts are then meticulously gathered and described. Finally, in an effort to inspire more excellent research, this paper explores the obstacles and potential of graphene-based nanomaterials for dental aspects.
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Affiliation(s)
- M. Roma
- Manipal College of Dental Sciences, Mangalore, Mangalore, Karnataka, India
- Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Shreya Hegde
- Manipal College of Dental Sciences, Mangalore, Mangalore, Karnataka, India
- Manipal Academy of Higher Education, Manipal, Karnataka, India
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14
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Khan SN, Koldsland OC, Tiainen H, Hjortsjö C. Anatomical three-dimensional model with peri-implant defect for in vitro assessment of dental implant decontamination. Clin Exp Dent Res 2024; 10:e841. [PMID: 38345509 PMCID: PMC10829417 DOI: 10.1002/cre2.841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 12/23/2023] [Accepted: 12/30/2023] [Indexed: 02/15/2024] Open
Abstract
OBJECTIVES Access to the implant surface plays a significant role in effective mechanical biofilm removal in peri-implantitis treatment. Mechanical decontamination may also alter the surface topography of the implant, potentially increasing susceptibility to bacterial recolonization. This in vitro study aimed to evaluate a newly developed, anatomically realistic, and adaptable three-dimensional (3D)printed model with a peri-implant bone defect to evaluate the accessibility and changes of dental implant surfaces after mechanical decontamination treatment. MATERIAL AND METHODS A split model of an advanced peri-implant bone defect was prepared using 3D printing. The function of the model was tested by mechanical decontamination of the exposed surface of dental implants (Standard Implant Straumann AG) coated with a thin layer of colored occlusion spray. Two different instruments for mechanical decontamination were used. Following decontamination, the implants were removed from the split model and photographed. Image analysis and fluorescence spectroscopy were used to quantify the remaining occlusion spray both in terms of area and total amount, while scanning electron microscopy and optical profilometry were used to analyze alteration in the implant surface morphology. RESULTS The 3D model allowed easy placement and removal of the dental implants without disturbing the implant surfaces. Qualitative and quantitative assessment of removal of the occlusion spray revealed differences in the mechanism of action and access to the implant surface between tested instruments. The model permitted surface topography analysis following the decontamination procedure. CONCLUSION The developed 3D model allowed a realistic simulation of decontamination of implant surfaces with colored occlusion spray in an advanced peri-implant defect. 3D printing allows easy adaptation of the model in terms of the shape and location of the defect. The model presents a valuable tool for in vitro investigation of the accessibility and changes of the implant surface after mechanical and chemical decontamination.
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Affiliation(s)
- Sadia Nazir Khan
- Department of Prosthetics and Oral Function, Faculty of DentistryUniversity of OsloOsloNorway
| | | | - Hanna Tiainen
- Department of Biomaterials, Faculty of DentistryUniversity of OsloOsloNorway
| | - Carl Hjortsjö
- Department of Prosthetics and Oral Function, Faculty of DentistryUniversity of OsloOsloNorway
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15
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Leone FD, Blasi G, Amerio E, Valles C, Nart J, Monje A. Influence of the level of compliance with preventive maintenance therapy upon the prevalence of peri-implant diseases. J Periodontol 2024; 95:40-49. [PMID: 37436695 DOI: 10.1002/jper.23-0048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Revised: 06/20/2023] [Accepted: 06/22/2023] [Indexed: 07/13/2023]
Abstract
BACKGROUND A study was made to evaluate peri-implant conditions in compliers and erratic compliers with peri-implant maintenance therapy (PIMT), and to assess the role of site-specific confounders. METHODS Erratic PIMT compliers (EC) were defined as presenting attendance < 2×/year, while regular compliers (RC) attended ≥ 2×/year. Generalized estimating equations (GEE) were employed to perform a multivariable multilevel analysis in which the peri-implant condition was established as dependent variable. RESULTS Overall, 86 non-smoker patients (42 RC and 44 EC) attending the Department of Periodontology of the Universitat Internacional de Catalunya were recruited consecutively on a cross-sectional basis. The mean period of loading was 9.5 year. An implant placed in an erratic patient has 88% higher probability of presenting peri-implant diseases versus RC. Furthermore, the probability of diagnosis of peri-implantitis was significantly higher in EC versus RC (odds ratio [OR] 5.26; p = 0.009). Among other factors, history of periodontitis, non-hygienic prosthesis, period of implant loading, and modified plaque index (mPI) at implant level were shown to significantly increase the risk of peri-implantitis diagnosis. Although not associated with peri-implantitis diagnosis risk, keratinized mucosa (KM) width, and vestibular depth (VD) were significantly associated to plaque accumulation (mPI). CONCLUSIONS Compliance with PIMT was found to be significantly associated with peri-implant condition. In this sense, attending PIMT < 2×/year may be ineffective to prevent peri-implantitis.
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Affiliation(s)
- Francesco Di Leone
- Department of Periodontology, Universitat Internacional de Catalunya, Barcelona, Spain
| | - Gonzalo Blasi
- Department of Periodontology, Universitat Internacional de Catalunya, Barcelona, Spain
| | - Ettore Amerio
- Department of Periodontology, Universitat Internacional de Catalunya, Barcelona, Spain
| | - Cristina Valles
- Department of Periodontology, Universitat Internacional de Catalunya, Barcelona, Spain
| | - José Nart
- Department of Periodontology, Universitat Internacional de Catalunya, Barcelona, Spain
| | - Alberto Monje
- Department of Periodontology, Universitat Internacional de Catalunya, Barcelona, Spain
- Department of Periodontology, University of Bern, Bern, Switzerland
- Department of Periodontics and Oral Medicine, University of Michigan, Ann Arbor, Michigan, USA
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Rahnama-Hezavah M, Mertowska P, Mertowski S, Skiba J, Krawiec K, Łobacz M, Grywalska E. How Can Imbalance in Oral Microbiota and Immune Response Lead to Dental Implant Problems? Int J Mol Sci 2023; 24:17620. [PMID: 38139449 PMCID: PMC10743591 DOI: 10.3390/ijms242417620] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 12/09/2023] [Accepted: 12/14/2023] [Indexed: 12/24/2023] Open
Abstract
Dental implantology is one of the most dynamically developing fields of dentistry, which, despite developing clinical knowledge and new technologies, is still associated with many complications that may lead to the loss of the implant or the development of the disease, including peri-implantitis. One of the reasons for this condition may be the fact that dental implants cannot yield a proper osseointegration process due to the development of oral microbiota dysbiosis and the accompanying inflammation caused by immunological imbalance. This study aims to present current knowledge as to the impact of oral microflora dysbiosis and deregulation of the immune system on the course of failures observed in dental implantology. Evidence points to a strong correlation between these biological disturbances and implant complications, often stemming from improper osseointegration, pathogenic biofilms on implants, as well as an exacerbated inflammatory response. Technological enhancements in implant design may mitigate pathogen colonization and inflammation, underscoring implant success rates.
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Affiliation(s)
- Mansur Rahnama-Hezavah
- Chair and Department of Oral Surgery, Medical University of Lublin, 20-093 Lublin, Poland; (M.R.-H.); (M.Ł.)
| | - Paulina Mertowska
- Department of Experimental Immunology, Medical University of Lublin, 20-093 Lublin, Poland; (S.M.); (E.G.)
| | - Sebastian Mertowski
- Department of Experimental Immunology, Medical University of Lublin, 20-093 Lublin, Poland; (S.M.); (E.G.)
| | - Julia Skiba
- Student Research Group of Experimental Immunology, Medical University of Lublin, 20-093 Lublin, Poland
| | - Karol Krawiec
- Student Research Group of Experimental Immunology, Medical University of Lublin, 20-093 Lublin, Poland
| | - Michał Łobacz
- Chair and Department of Oral Surgery, Medical University of Lublin, 20-093 Lublin, Poland; (M.R.-H.); (M.Ł.)
| | - Ewelina Grywalska
- Department of Experimental Immunology, Medical University of Lublin, 20-093 Lublin, Poland; (S.M.); (E.G.)
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17
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Rakic M, Tatic Z, Radovanovic S, Petkovic-Curcin A, Vojvodic D, Monje A. Resolution of peri-implant mucositis following standard treatment: A prospective split-mouth study. J Periodontol 2023. [PMID: 38041803 DOI: 10.1002/jper.23-0507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 10/25/2023] [Accepted: 10/27/2023] [Indexed: 12/03/2023]
Abstract
BACKGROUND Peri-implant mucositis (PIM) is a pathological precursor of peri-implantitis, but its pattern of conversion to peri-implantitis is unclear and complicated to diagnose clinically, while none of the available protocols yield complete disease resolution. The aim of this study was the evaluation of PIM responsiveness to standard anti-infective mechanical treatment (AIMT) at clinical and biomarker levels, and estimation of the diagnostic capacity of bone markers as surrogate endpoints and predictors. METHODS Systemically healthy outpatients presenting one implant exhibiting clinical signs of inflammation confined within the soft tissue (PIM) and one healthy control (HC) implant at a non-adjacent position were included. Clinical parameters and peri-implant crevicular fluid samples were collected baseline and 6 months following mechanical therapy, to assess the levels of RANKL, OPG, and IGFBP2. PIM clustering was performed using machine learning algorithms. RESULTS Overall, 38 patients met the inclusion criteria. Therapy resulted in the reduction of all clinical and biological indicators, but respective values remained significantly higher compared to HC. Clinical examination noted 30% disease resolution at the 6-month follow-up, while 43% showed no active bone resorption. OPG showed positive prognostic value for treatment outcome, while the clustering based on active bone resorption did not differ in terms of therapeutic effectiveness. CONCLUSION AIMT is effective in reducing the clinical and biological indicators of PIM, but complete clinical resolution was achieved in only 30% of the cases. Around one third of PIM patients exhibited active bone resorption bellow clinical detectability that was not associated with disease progression and poor treatment responsiveness.
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Affiliation(s)
- Mia Rakic
- Facultad de Odontologia, Etiology and Therapy of Periodontal Diseases (ETEP) Research Group, Universidad Complutense de Madrid, Madrid, Spain
| | - Zoran Tatic
- Department of Oral Implantology, Military Medical Academy, Belgrade, Serbia
| | - Sandro Radovanovic
- Faculty of Organizational Sciences, University of Belgrade, Belgrade, Serbia
| | | | - Danilo Vojvodic
- Institute for Medical Research, Military Medical Academy, Belgrade, Serbia
| | - Alberto Monje
- Department of Periodontics and Oral Medicine, University of Michigan, Ann Arbor, Michigan, USA
- Department of Periodontology, Universitat Internacional de Catalunya, Barcelona, Spain
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Corbella S, Morandi B, Calciolari E, Alberti A, Francetti L, Donos N. The influence of implant position and of prosthetic characteristics on the occurrence of peri-implantitis: a retrospective study on periapical radiographs. Clin Oral Investig 2023; 27:7261-7271. [PMID: 37910236 PMCID: PMC10713669 DOI: 10.1007/s00784-023-05303-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Accepted: 10/02/2023] [Indexed: 11/03/2023]
Abstract
OBJECTIVE The present retrospective study aimed to investigate the influence of malposition on the occurrence of peri-implantitis. MATERIALS AND METHODS The study included clinical records of systemically healthy patients with single and partial implant-supported rehabilitations and at least 1-year post-loading follow-up. The parameters collected included implant-related factors, patient-related factors, site-related factors, and prosthesis-related factors. The radiographic measurements were taken by using a dedicated software and the diagnosis of peri-implantitis was made based on all the available clinical and radiographic data. Descriptive statistics were provided for all variables. Following an exploratory approach, an implant-level analysis of factors influencing the occurrence of peri-implantitis was done through a multilevel multivariate logistic regression (mixed). RESULTS A total of 180 implants belonging to 90 subjects were randomly selected. Malposition showed no statistically significant association with the occurrence of peri-implantitis. According to the multi-level analysis, the parameters that were significantly associated with peri-implantitis included presence / history of periodontitis (OR = 5.945, 95% CI: 1.093 - 32.334, P = 0.039) and presence of an emergence profile angle ≥ 45° (OR = 9.094, 95% CI: 2.017 - 40.995, P = 0.005). CONCLUSIONS Implant malposition, as defined following Buser's criteria (2004), did not influence the occurrence of peri-implantitis in the selected cohort. Conversely, history of periodontitis and presence of a prosthetic emergence profile with an angle ≥ 45° were correlated to an increased risk of peri-implantitis.
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Affiliation(s)
- Stefano Corbella
- Department of Biomedical, Surgical and Dental Sciences, Università degli Studi di Milano, Milan, Italy.
- IRCCS Ospedale Galeazzi Sant'Ambrogio, Milan, Italy.
| | - Benedetta Morandi
- Department of Biomedical, Surgical and Dental Sciences, Università degli Studi di Milano, Milan, Italy
- IRCCS Ospedale Galeazzi Sant'Ambrogio, Milan, Italy
| | - Elena Calciolari
- Centre for Oral Clinical Research, Institute of Dentistry, Faculty of Medicine and Dentistry, Queen Mary University of London, London, UK
- Centro di Odontoiatria, Dipartimento di Medicina e Chirurgia, Università di Parma, Parma, Italy
| | - Alice Alberti
- Department of Biomedical, Surgical and Dental Sciences, Università degli Studi di Milano, Milan, Italy
- IRCCS Ospedale Galeazzi Sant'Ambrogio, Milan, Italy
| | - Luca Francetti
- Department of Biomedical, Surgical and Dental Sciences, Università degli Studi di Milano, Milan, Italy
- IRCCS Ospedale Galeazzi Sant'Ambrogio, Milan, Italy
| | - Nikolaos Donos
- Centre for Oral Clinical Research, Institute of Dentistry, Faculty of Medicine and Dentistry, Queen Mary University of London, London, UK
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Nugraha AP, Triwardhani A, Sitalaksmi RM, Ramadhani NF, Luthfi M, Ulfa NM, Tengku Ahmad Noor TNEB. Phytochemical, antioxidant, and antibacterial activity of Moringa oleifera nanosuspension against peri-implantitis bacteria: An in vitro study. J Oral Biol Craniofac Res 2023; 13:720-726. [PMID: 37753264 PMCID: PMC10518351 DOI: 10.1016/j.jobcr.2023.09.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 08/27/2023] [Accepted: 09/12/2023] [Indexed: 09/28/2023] Open
Abstract
Objective the Moringa oleifera leaf (MO) has active compounds that may be beneficial for peri-implantitis therapy. This research aims to analyze the phytochemical, antioxidant, and antibacterial properties of Moringa oleifera L. nanosuspension (MON) extract in peri-implantitis-related bacteria. Methods MON extract phytochemical analysis was conducted to examine active compounds such as flavonoids, saponins, quinones, alkaloids, tannins, terpenoids, and steroids. The 2,2-diphenyl-1-picrylhydrazyl (DPPH) assay for antioxidant capacity was evaluated, and gas chromatography-mass spectrometry for the detection of volatile active compounds in MON extract was performed. Turax was used to create MON extract at concentrations of 1% and 2%, and then a particle size analysis was carried out. Prevotella intermedia (Pi), Porphyromonas gingivalis (Pg), Aggregatibacter actinomycetemcomitans (Aa), and Fusobacterium nucleatum (Fn) were tested for antibacterial activity of MON extract, comparing them with doxycycline as the reference drug and using the minimal inhibitory concentration (MIC), minimal bactericidal concentration (MBC), and diffusion zone methods. Results MON extract has lower antioxidant capacity than vitamin C. Flavonoids, saponins, quinones, alkaloids, tannins, terpenoids, and steroids were found in MON extract. 1% and 2% of MON extract has 10-40 d nm particle size. MIC, MBC and diffusion examination of 1% and 2% MON extract on Aa, Pg, Pi, and Fn were seen at concentrations of 25% and 12.5% with significantly different (p < 0.05) in vitro. Conclusion MON extract has potential antioxidant activity, and 1% or 2% of MON extract has antibacterial properties toward Aa, Pg, Pi, and Fn at concentrations of 25% and 12.5%, with significant differences.
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Affiliation(s)
- Alexander Patera Nugraha
- Orthodontics Department, Faculty of Dental Medicine, Universitas Airlangga, Surabaya, East Java, Indonesia
| | - Ari Triwardhani
- Orthodontics Department, Faculty of Dental Medicine, Universitas Airlangga, Surabaya, East Java, Indonesia
| | - Ratri Maya Sitalaksmi
- Prosthodontics Department, Faculty of Dental Medicine, Universitas Airlangga, Surabaya, East Java, Indonesia
| | - Nastiti Faradilla Ramadhani
- Dentomaxillofacial Radiology Department, Faculty of Dental Medicine, Universitas Airlangga, Surabaya, East Java, Indonesia
| | - Muhammad Luthfi
- Oral Biology Department, Faculty of Dental Medicine, Universitas Airlangga, Surabaya, East Java, Indonesia
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Roccuzzo A, Morandini M, Stähli A, Imber JC, Sculean A, Salvi GE. Clinical and radiographic outcomes of implant-supported zirconia fixed dental prostheses with cantilever extension: A proof-of-principle study with a follow-up of at least 1 year. Clin Oral Implants Res 2023; 34:1073-1082. [PMID: 37485971 DOI: 10.1111/clr.14138] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Revised: 06/27/2023] [Accepted: 07/13/2023] [Indexed: 07/25/2023]
Abstract
OBJECTIVES To test the reliability of full zirconia implant-supported fixed dental prostheses with cantilever extension (FDPCs) after at least 1 year of function. MATERIALS AND METHODS Thirty-five patients in need of implant-supported single unit crowns (SUC) and FDPCs in posterior areas were enrolled. After implant placement, patients were rehabilitated with screw-retained full-zirconia FDPCs. Implant survival rate, pocket probing depth (PPD), presence/absence of bleeding on probing (BoP), and presence/absence of mechanical/technical complications were recorded. Mesial and distal radiographic marginal bone levels (mBLs) from baseline (i.e., recall appointment 3-6 months after implant loading [T0]) to the follow-up examination (i.e., latest recall appointment after at least 12 months after T0 [T1]), were calculated. RESULTS Thirty patients with 34 FDPCs (31 SUCs and 3 FDPs) supported by 37 implants were available for analysis after a mean loading time of 2.6 ± 1.5 years (range: 13-87 months). No implants were lost. MBLs and mean PPD values did not change statistically significantly from T0 to T1 from 0.92 mm ± 0.42 to 0.96 mm ± 0.38 (95% CI: -0.07/0.17; p = .418) and from 2.99 mm ± 0.70 to 3.27 mm ± 0.71 (95% CI: -0.11/0.68; p = .25) respectively. Peri-implant mucositis was diagnosed in 22 cases. Screw-loosening and zirconia chipping occurred 1× in 4 patients. CONCLUSION Within the limitations of the present proof-of-principle study, the use of full-zirconia FDPCs in posterior areas seems a valid and safe short-term treatment option.
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Affiliation(s)
- Andrea Roccuzzo
- Department of Periodontology, School of Dental Medicine, University of Bern, Bern, Switzerland
| | - Michele Morandini
- Department of Periodontology, School of Dental Medicine, University of Bern, Bern, Switzerland
| | - Alexandra Stähli
- Department of Periodontology, School of Dental Medicine, University of Bern, Bern, Switzerland
| | - Jean-Claude Imber
- Department of Periodontology, School of Dental Medicine, University of Bern, Bern, Switzerland
| | - Anton Sculean
- Department of Periodontology, School of Dental Medicine, University of Bern, Bern, Switzerland
| | - Giovanni E Salvi
- Department of Periodontology, School of Dental Medicine, University of Bern, Bern, Switzerland
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Martínez-Hernández M, Reyes-Grajeda JP, Hannig M, Almaguer-Flores A. Salivary pellicle modulates biofilm formation on titanium surfaces. Clin Oral Investig 2023; 27:6135-6145. [PMID: 37646908 PMCID: PMC10560156 DOI: 10.1007/s00784-023-05230-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Accepted: 08/18/2023] [Indexed: 09/01/2023]
Abstract
OBJECTIVES The present study aimed to evaluate the potential of the salivary pellicle (SP) formed on titanium (Ti) surfaces to modulate the formation of a biofilm composed of Streptococcus gordonii, Actinomyces naeslundii, Fusobacterium nucleatum, and Porphyromonas gingivalis. MATERIALS AND METHODS Ti substrates were incubated for 2 h with a pool of saliva samples obtained from 10 systemically and periodontally healthy subjects. Enamel substrates were included as a biological reference. Scanning electron microscopy (SEM) and Raman spectroscopy analysis were used to analyze the formation of the salivary pellicle. After the SP formation, the surfaces were incubated for 12 h with a mix of Streptococcus gordonii, Actinomyces naeslundii, Fusobacterium nucleatum, and Porphyromonas gingivalis. The number of bacterial cells attached to each surface was determined by the XTT assay while bacterial viability was analyzed by fluorescence microscopy using the LIVE/DEAD® BacLightTM kit. RESULTS The SEM and Raman spectroscopy analysis confirmed the presence of a salivary pellicle formed on the tested surfaces. Regarding the biofilm formation, the presence of the SP decreases the number of the bacterial cells detected in the test surfaces, compared with the uncover substrates. Even more, the SP-covered substrates showed similar bacterial counts in both Ti and enamel surfaces, meaning that the physicochemical differences of the substrates were less determinant than the presence of the SP. While on the SP-uncover substrates, differences in the bacterial adhesion patterns were directly related to the physicochemical nature of the substrates. CONCLUSIONS The salivary pellicle was the main modulator in the development of the biofilm consisting of representative oral bacteria on the Ti substrates. CLINICAL RELEVANCE The results of this study provide valuable information on the modulatory effect of the salivary pellicle on biofilm formation; such information allows us to understand better the events involved in the formation of oral biofilms on Ti dental implants.
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Affiliation(s)
- Miryam Martínez-Hernández
- Laboratorio de Biointerfases, División de Estudios de Posgrado e Investigación, Facultad de Odontología, Universidad Nacional Autónoma de México, Circuito Exterior s/n, Ciudad Universitaria, 04510, Mexico City, Mexico.
| | - Juan Pablo Reyes-Grajeda
- Laboratorio de Estructura de Proteínas, Instituto Nacional de Medicina Genómica (INMEGEN), 14610, Mexico City, Mexico
| | - Matthias Hannig
- Clinic of Operative Dentistry, Periodontology and Preventive Dentistry, University Hospital, Saarland University, Building 73, 66421, Homburg, Saarland, Germany
| | - Argelia Almaguer-Flores
- Laboratorio de Biointerfases, División de Estudios de Posgrado e Investigación, Facultad de Odontología, Universidad Nacional Autónoma de México, Circuito Exterior s/n, Ciudad Universitaria, 04510, Mexico City, Mexico
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Lafuente-Ibáñez-de-Mendoza I, Marichalar-Mendia X, García-De-La-Fuente AM, Quindós-Andrés G, Eraso-Barrio E, Martínez-Conde-Llamosas R, Fernández-Jiménez A, Aguirre-Urizar JM. Presence and implication of Candida spp. in patients with peri-implantitis enrolled in a supportive peri-implant therapy program of the Basque Country (Spain). A case-control study. Clin Implant Dent Relat Res 2023; 25:938-947. [PMID: 37259674 DOI: 10.1111/cid.13226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 04/17/2023] [Accepted: 05/12/2023] [Indexed: 06/02/2023]
Abstract
INTRODUCTION The peri-implant sulcus is a good niche for infectious colonization such as Candida spp. In this study, the level of Candida spp. fungal colonization is analyzed in patients with peri-implantitis under supportive peri-implant therapy, as well as its correlation with the main clinicopathological data. METHODS A case-control study was carried out on 161 patients treated with dental implants, 80 with PI and 81 without PI, which corresponded to 91 women and 70 men, whose mean age was 60.90 years. A specific protocol was completed for the clinical and implant data. Microbiological samples were taken by oral rinse and with paper tips from the peri-implant sulcus. For the quantitative and qualitative analysis Candida Chromogenic Agar/CONDA plates were incubated for 72 h at 36 + 1°C. Fungal growth was considered active when having more than 50 CFU. Specific Candida spp. cultures were later confirmed by API ID 32C and PCR. RESULTS Fungal growth was achieved in 28% of oral rinse and 6.75% of peri-implant fluid samples. No significant differences were recognized between study groups. Most of the cultures (>65%) showed more than 50 CFU. The most frequent species were Candida albicans and Candida parapsilosis. There was no association between different PI risk factors and fungal data. The presence of Candida spp. in the oral cavity of patients with dental implants was related to total edentulism and the use of implant-fixed complete prosthesis implant-retained removable prosthesis. CONCLUSIONS These results suggest that there is no link between PI and presence of Candida in patients with dental implants undergoing regular supportive periodontal therapy.
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Affiliation(s)
| | - Xabier Marichalar-Mendia
- Department of Nursery I, Faculty of Medicine and Nursery, University of the Basque Country (UPV/EHU), Leioa, Spain
| | - Ana María García-De-La-Fuente
- Department of Stomatology II, Faculty of Medicine and Nursery, University of the Basque Country (UPV/EHU), Leioa, Spain
| | - Guillermo Quindós-Andrés
- Department of Immunology, Microbiology, Parasitology, Faculty of Medicine and Nursery, University of the Basque Country (UPV/EHU), Leioa, Spain
| | - Elena Eraso-Barrio
- Department of Immunology, Microbiology, Parasitology, Faculty of Medicine and Nursery, University of the Basque Country (UPV/EHU), Leioa, Spain
| | | | - Aitziber Fernández-Jiménez
- Department of Stomatology II, Faculty of Medicine and Nursery, University of the Basque Country (UPV/EHU), Leioa, Spain
| | - José Manuel Aguirre-Urizar
- Department of Stomatology II, Faculty of Medicine and Nursery, University of the Basque Country (UPV/EHU), Leioa, Spain
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23
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Xue W, Pritchard MF, Khan S, Powell LC, Stokniene J, Wu J, Claydon N, Reddell P, Thomas DW, Hill KE. Defining in vitro topical antimicrobial and antibiofilm activity of epoxy-tigliane structures against oral pathogens. J Oral Microbiol 2023; 15:2241326. [PMID: 37534218 PMCID: PMC10392292 DOI: 10.1080/20002297.2023.2241326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 07/04/2023] [Accepted: 07/20/2023] [Indexed: 08/04/2023] Open
Abstract
Background Peri-implantitis has become an inexorable clinical challenge in implantology. Topical immunomodulatory epoxy-tiglianes (EBCs), derived from the Queensland blushwood tree, which induce remodeling and resolve dermal infection via induction of the inflammasome and biofilm disruption, may offer a novel therapeutic approach. Design In vitro antimicrobial activity of EBC structures (EBC-46, EBC-1013 and EBC-147) against Streptococcus mutans, Aggregatibacter actinomycetemcomitans and Porphyromonas gingivalis in minimum inhibitory concentration, growth curve and permeabilization assays were determined. Antibiofilm activity was assessed using minimum biofilm eradication concentration (MBEC) experiments. Biofilm formation and disruption assays were analyzed using confocal laser scanning microscopy, scanning electron microscopy and direct plate counting. Results The observed antimicrobial efficacy of the tested compounds (EBC-1013 > EBC-46 > EBC-147) was directly related to significant membrane permeabilization and growth inhibition (p < 0.05) against planktonic S. mutans and P. gingivalis. Antibiofilm activity was evident in MBEC assays, with S. mutans biofilm formation assays revealing significantly lower biomass volume and increased DEAD:LIVE cell ratio observed for EBC-1013 (p < 0.05). Furthermore, biofilm disruption assays on titanium discs induced significant biofilm disruption in S. mutans and P. gingivalis (p < 0.05). Conclusions EBC-1013 is a safe, semi-synthetic, compound, demonstrating clear antimicrobial biofilm disruption potential in peri-implantitis.
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Affiliation(s)
- Wenya Xue
- Advanced Therapies Group, Cardiff School of Dentistry, Heath Park, Cardiff University, Cardiff, UK
| | - Manon F. Pritchard
- Advanced Therapies Group, Cardiff School of Dentistry, Heath Park, Cardiff University, Cardiff, UK
| | - Saira Khan
- Advanced Therapies Group, Cardiff School of Dentistry, Heath Park, Cardiff University, Cardiff, UK
| | - Lydia C. Powell
- Microbiology and Infectious Disease Group, Swansea University Medical School, Swansea, UK
| | - Joana Stokniene
- Advanced Therapies Group, Cardiff School of Dentistry, Heath Park, Cardiff University, Cardiff, UK
| | - Jingxiang Wu
- Advanced Therapies Group, Cardiff School of Dentistry, Heath Park, Cardiff University, Cardiff, UK
| | - Nicholas Claydon
- Advanced Therapies Group, Cardiff School of Dentistry, Heath Park, Cardiff University, Cardiff, UK
| | - Paul Reddell
- QBiotics Group Limited, Yungaburra, Queensland, Australia
| | - David W. Thomas
- Advanced Therapies Group, Cardiff School of Dentistry, Heath Park, Cardiff University, Cardiff, UK
| | - Katja E. Hill
- Advanced Therapies Group, Cardiff School of Dentistry, Heath Park, Cardiff University, Cardiff, UK
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Cheng CD, Tsai YWC, Cheng WC, Lin FG, Weng PW, Chen YW, Huang RY, Chen WL, Shieh YS, Sung CE. The referral pattern and treatment modality for peri-implant disease between periodontists and non-periodontist dentists. BMC Oral Health 2023; 23:427. [PMID: 37370067 DOI: 10.1186/s12903-023-03135-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Accepted: 06/14/2023] [Indexed: 06/29/2023] Open
Abstract
OBJECTIVES This study is to investigate the referral pattern and treatment modality of dentists in the management of peri-implant diseases between periodontists and non-periodontist dentists (NPDs). MATERIALS AND METHODS A total of 167 validated questionnaires were obtained from periodontists and NPDs, who had experience of placing implants for at least one year. Question I to IV asked how the dentist would respond if a patient came for treatment of their peri-implant diseases with four different scenarios according to resource of patient and disease severity. For each Scenario, dentists also replied which treatment procedures they would use if they decide to treat the patient. RESULTS Periodontal training, resource of patient, and disease severity were shown to significantly influence the referral pattern and treatment modality in the management of peri-implant disease (p < 0.05). Periodontists were more likely to use variable treatment procedures, including occlusal adjustment (OR = 2.283, p < 0.01), oral hygiene instruction (OR = 3.751, p < 0.001), topical antiseptic agent (OR = 2.491, p < 0.005), non-surgical mechanical therapy (OR = 2.689, p < 0.001), surgical therapy (OR = 2.009, p < 0.01), and remove implant (OR = 3.486, p < 0.001) to treat peri-implant diseases, compared to NPDs. CONCLUSION The periodontal specialty training, resource of patient, and disease severity significantly influenced the referral pattern and treatment modality of dentist treating an implant diagnosed with peri-implant disease. This study also highlighted the importance of educating basic periodontal and peri-implant disease-related knowledge to all dentists regularly performing dental implant treatments. CLINICAL RELEVANCE Peri-implant diseases are highly prevalent among patients with dental implants. Periodontal specialty training could enhance using variable treatment procedures to treat peri-implant diseases for dentists.
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Affiliation(s)
- Chia-Dan Cheng
- Department of Periodontology, School of Dentistry, Tri-Service General Hospital and National Defense Medical Center, Section 2, Chang-Gong Rd, Nei-Hu District, 114, No. 325, Taipei, Taiwan
| | - Yi-Wen Cathy Tsai
- Department of Periodontology, School of Dentistry, Tri-Service General Hospital and National Defense Medical Center, Section 2, Chang-Gong Rd, Nei-Hu District, 114, No. 325, Taipei, Taiwan
| | - Wan-Chien Cheng
- Department of Periodontology, School of Dentistry, Tri-Service General Hospital and National Defense Medical Center, Section 2, Chang-Gong Rd, Nei-Hu District, 114, No. 325, Taipei, Taiwan
| | - Fu-Gong Lin
- School of Public Health, National Defense Medical Center, Taipei, Taiwan
- Department of Optometry, Asia University, Taichung City, Taiwan
| | - Pei-Wei Weng
- Department of Orthopaedics, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan
- Department of Orthopaedics, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Ying-Wu Chen
- Department of Periodontology, School of Dentistry, Tri-Service General Hospital and National Defense Medical Center, Section 2, Chang-Gong Rd, Nei-Hu District, 114, No. 325, Taipei, Taiwan
| | - Ren-Yeong Huang
- Department of Periodontology, School of Dentistry, Tri-Service General Hospital and National Defense Medical Center, Section 2, Chang-Gong Rd, Nei-Hu District, 114, No. 325, Taipei, Taiwan
| | - Wei-Liang Chen
- Division of Geriatric Medicine, Department of Family Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Yi-Shing Shieh
- Department of Operative Dentistry and Endodontics, School of Dentistry, Tri-Service General Hospital and National Defense Medical Center, Taipei, Taiwan
| | - Cheng-En Sung
- Department of Periodontology, School of Dentistry, Tri-Service General Hospital and National Defense Medical Center, Section 2, Chang-Gong Rd, Nei-Hu District, 114, No. 325, Taipei, Taiwan.
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25
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Son M, Song Y, Yu Y, Kim SY, Huh JB, Bae EB, Cho WT, Na HS, Chung J. The oral microbiome of implant-abutment screw holes compared with the peri-implant sulcus and natural supragingival plaque in healthy individuals. J Periodontal Implant Sci 2023; 53:53.e20. [PMID: 37336525 DOI: 10.5051/jpis.2300100005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 03/14/2023] [Accepted: 04/27/2023] [Indexed: 06/21/2023] Open
Abstract
PURPOSE An implant-supported prosthesis consists of an implant fixture, an abutment, an internal screw that connects the abutment to the implant fixture, and the upper prosthesis. Numerous studies have investigated the microorganisms present on the implant surface, surrounding tissues, and the subgingival microflora associated with peri-implantitis. However, there is limited information regarding the microbiome within the internal screw space. In this study, microbial samples were collected from the supragingival surfaces of natural teeth, the peri-implant sulcus, and the implant-abutment screw hole, in order to characterize the microbiome of the internal screw space in healthy subjects. METHODS Samples were obtained from the supragingival region of natural teeth, the peri-implant sulcus, and the implant screw hole in 20 healthy subjects. DNA was extracted, and the V3-V4 region of the 16S ribosomal RNA was sequenced for microbiome analysis. Alpha diversity, beta diversity, linear discriminant analysis effect size (LEfSe), and network analysis were employed to compare the characteristics of the microbiomes. RESULTS We observed significant differences in beta diversity among the samples. Upon analyzing the significant taxa using LEfSe, the microbial composition of the implant-abutment screw hole's microbiome was found to be similar to that of the other sampling sites' microbiomes. Moreover, the microbiome network analysis revealed a unique network complexity in samples obtained from the implant screw hole compared to those from the other sampling sites. CONCLUSIONS The bacterial composition of the biofilm collected from the implant-abutment screw hole exhibited significant differences compared to the supra-structure of the implant. Therefore, long-term monitoring and management of not only the peri-implant tissue but also the implant screw are necessary.
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Affiliation(s)
- MinKee Son
- Department of Oral Microbiology, School of Dentistry, Pusan National University, Yangsan, Korea
| | - Yuri Song
- Department of Oral Microbiology, School of Dentistry, Pusan National University, Yangsan, Korea
- Oral Genomics Research Center, Pusan National University, Yangsan, Korea
| | - Yeuni Yu
- Interdisciplinary Program of Genomic Science, Pusan National University, Yangsan, Korea
- Department of Biomedical Informatics, School of Medicine, Pusan National University, Busan, Korea
| | - Si Yeong Kim
- Department of Oral Microbiology, School of Dentistry, Pusan National University, Yangsan, Korea
- Dental Research Institute, BK21 PLUS Project, School of Dentistry, Pusan National University, Yangsan, Korea
| | - Jung-Bo Huh
- Dental Research Institute, BK21 PLUS Project, School of Dentistry, Pusan National University, Yangsan, Korea
- Department of Prosthodontics, School of Dentistry, Pusan National University, Yangsan, Korea
| | - Eun-Bin Bae
- Dental Research Institute, BK21 PLUS Project, School of Dentistry, Pusan National University, Yangsan, Korea
- Department of Prosthodontics, School of Dentistry, Pusan National University, Yangsan, Korea
| | - Won-Tak Cho
- Dental Research Institute, BK21 PLUS Project, School of Dentistry, Pusan National University, Yangsan, Korea
- Department of Prosthodontics, School of Dentistry, Pusan National University, Yangsan, Korea
| | - Hee Sam Na
- Department of Oral Microbiology, School of Dentistry, Pusan National University, Yangsan, Korea
- Oral Genomics Research Center, Pusan National University, Yangsan, Korea
- Dental Research Institute, BK21 PLUS Project, School of Dentistry, Pusan National University, Yangsan, Korea
| | - Jin Chung
- Department of Oral Microbiology, School of Dentistry, Pusan National University, Yangsan, Korea
- Oral Genomics Research Center, Pusan National University, Yangsan, Korea
- Dental Research Institute, BK21 PLUS Project, School of Dentistry, Pusan National University, Yangsan, Korea.
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26
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Roccuzzo A, Imber JC, Salvi GE, Roccuzzo M. Peri-implantitis as the consequence of errors in implant therapy. Periodontol 2000 2023; 92:350-361. [PMID: 36744582 DOI: 10.1111/prd.12482] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Revised: 09/04/2022] [Accepted: 12/22/2022] [Indexed: 02/07/2023]
Abstract
Peri-implantitis is a plaque-associated pathologic condition occurring in tissues around dental implants, characterized by inflammation in the peri-implant mucosa and subsequent progressive loss of supporting bone. It is a highly prevalent disease, as extensively estimated by large-population, cross-sectional studies. As peri-implant diseases represent opportunistic infections, it is reasonable to assume that nonideal conditions, local and/or general, may favor the progression of peri-implant inflammation. Some of these conditions could be a result of poor planning and/or inadequate execution of any step of the entire process treatment. This article describes the major possible factors in implant therapy that may lead to peri-implantitis. For some of these (ie, inappropriate patient selection, insufficient periodontal therapy, lack of diagnosis and management of peri-implant mucositis, erratic supportive peri-implant/periodontal therapy) there is a good level of evidence, whereas for others (ie, wrong implant placement, poor postoperative care, inadequate prosthetic reconstruction, lack of assessment and management of peri-implant soft-tissue deficiencies) there is little scientific evidence. More research is therefore needed to clearly identify the errors and/or complications possibly leading to peri-implantitis, particularly over the long term.
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Affiliation(s)
- Andrea Roccuzzo
- Department of Periodontology, School of Dental Medicine, University of Bern, Bern, Switzerland
- Department of Oral and Maxillo-Facial Surgery, Copenhagen University Hospital (Rigshospitalet), Copenhagen, Denmark
| | - Jean-Claude Imber
- Department of Periodontology, School of Dental Medicine, University of Bern, Bern, Switzerland
| | - Giovanni Edoardo Salvi
- Department of Periodontology, School of Dental Medicine, University of Bern, Bern, Switzerland
| | - Mario Roccuzzo
- Specialist Periodontal Private Practice, Torino, Italy
- Division of Maxillo-facial Surgery, University of Torino, Torino, Italy
- Department of Periodontics and Oral Medicine, University of Michigan, Ann Arbor, Michigan, USA
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27
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Li Y, Lu Z, Sun H. Impact of diabetes mellitus on the poor prognosis in patients with osseointegrated dental implants: a meta-analysis of observational studies. Biotechnol Genet Eng Rev 2023:1-19. [PMID: 36876980 DOI: 10.1080/02648725.2023.2184922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Accepted: 02/18/2023] [Indexed: 03/07/2023]
Abstract
This meta-analysis aimed to explore the correlation between diabetes mellitus (DM) and peri-implant diseases in patients with osseointegrated dental implants. Relevant studies were searched in multiple databases from the available date of inception through 26 August 2021. The odds ratios (ORs) were used as the effect indicator for measurement data, and each effect size was given estimates and 95% confidence intervals (CIs). Begg's test was used for publication bias. Twenty-one observational studies with 24,953 participants were selected. No significant association was shown between DM and peri-implant mucositis (OR: 0.739, 95% CI: 0.394-1.383, P = 0.344). The results demonstrated that the risk of peri-implantitis was higher in DM than in non-DM (OR: 1.553, 95% CI: 1.084-2.226, P = 0.016). Smokers had higher risk of peri-implantitis than non-smoking patients (OR: 1.754, 95% CI: 1.620-1.899, P < 0.001). In addition, no significant association was shown between DM and peri-implantitis among non-smokers. The association between periodontal history (OR: 2.538, 95% CI: 0.814-7.921, P = 0.109), poor plaque control (OR: 1.700, 95% CI: 0.334-8.648, P = 0.523) and peri-implantitis was not statistically significant. No publication bias was observed for each outcome. DM increases the risk of poor outcomes in osseointegrated dental implant patients. The findings of the present study further elucidate the need for longitudinal investigations regarding risk variables that affects peri-implant tissues.
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Affiliation(s)
- Yang Li
- Department of Periodontology, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, China
| | - Zhanyi Lu
- JiangBei Stomatological Center, Nanjing Stomatological Hospital, Medical School of Nanjing University, Nanjing, China
| | - Huachang Sun
- Stomatology Department, Jiangsu Provincial Hospital on Integration of Chinese and Western Medicine Jiangsu, NanJing, China
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Comparing the Long-Term Success Rates of Tooth Preservation and Dental Implants: A Critical Review. J Funct Biomater 2023; 14:jfb14030142. [PMID: 36976066 PMCID: PMC10055991 DOI: 10.3390/jfb14030142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 02/23/2023] [Accepted: 02/28/2023] [Indexed: 03/06/2023] Open
Abstract
Implant therapy is considered a predictable, safe, and reliable rehabilitation method for edentulous patients in most clinical scenarios. Thus, there is a growing trend in the indications for implants, which seems attributable not only to their clinical success but also to arguments such as a more “simplified approach” based on convenience or the belief that dental implants are as good as natural teeth. Therefore, the objective of this critical literature review of observational studies was to discuss the evidence concerning the long-term survival rates and treatment outcomes, comparing endodontically or periodontally treated teeth with dental implants. Altogether, the evidence suggests that the decision between keeping a tooth or replacing it with an implant should carefully consider the condition of the tooth (e.g., amount of remaining tooth and degree of attachment loss and mobility), systemic disorders, and patient preference. Although observational studies revealed high success rates and long-term survival of dental implants, failures and complications are common. For this reason, attempts should be made to first save maintainable teeth over the long-term, instead of immediately replacing teeth with dental implants.
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29
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Pethani F, Dunn AG. Natural language processing for clinical notes in dentistry: A systematic review. J Biomed Inform 2023; 138:104282. [PMID: 36623780 DOI: 10.1016/j.jbi.2023.104282] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 12/01/2022] [Accepted: 01/04/2023] [Indexed: 01/09/2023]
Abstract
OBJECTIVE To identify and synthesise research on applications of natural language processing (NLP) for information extraction and retrieval from clinical notes in dentistry. MATERIALS AND METHODS A predefined search strategy was applied in EMBASE, CINAHL and Medline. Studies eligible for inclusion were those that that described, evaluated, or applied NLP to clinical notes containing either human or simulated patient information. Quality of the study design and reporting was independently assessed based on a set of questions derived from relevant tools including CHecklist for critical Appraisal and data extraction for systematic Reviews of prediction Modelling Studies (CHARMS). A narrative synthesis was conducted to present the results. RESULTS Of the 17 included studies, 10 developed and evaluated NLP methods and 7 described applications of NLP-based information retrieval methods in dental records. Studies were published between 2015 and 2021, most were missing key details needed for reproducibility, and there was no consistency in design or reporting. The 10 studies developing or evaluating NLP methods used document classification or entity extraction, and 4 compared NLP methods to non-NLP methods. The quality of reporting on NLP studies in dentistry has modestly improved over time. CONCLUSIONS Study design heterogeneity and incomplete reporting of studies currently limits our ability to synthesise NLP applications in dental records. Standardisation of reporting and improved connections between NLP methods and applied NLP in dentistry may improve how we can make use of clinical notes from dentistry in population health or decision support systems. PROTOCOL REGISTRATION PROSPERO CRD42021227823.
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Affiliation(s)
- Farhana Pethani
- Biomedical Informatics and Digital Health, Faculty of Medicine and Health, the University of Sydney, Sydney, Australia
| | - Adam G Dunn
- Biomedical Informatics and Digital Health, Faculty of Medicine and Health, the University of Sydney, Sydney, Australia.
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Pizarek JA, Fischer NG, Aparicio C. Immunomodulatory IL-23 receptor antagonist peptide nanocoatings for implant soft tissue healing. Dent Mater 2023; 39:204-216. [PMID: 36642687 PMCID: PMC9899321 DOI: 10.1016/j.dental.2023.01.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2022] [Revised: 01/05/2023] [Accepted: 01/08/2023] [Indexed: 01/15/2023]
Abstract
OBJECTIVE Peri-implantitis, caused by an inflammatory response to pathogens, is the leading cause of dental implant failure. Poor soft tissue healing surrounding implants - caused by inadequate surface properties - leads to infection, inflammation, and dysregulated keratinocyte and macrophage function. One activated inflammatory response, active around peri-implantitis compared to healthy sites, is the IL-23/IL-17A cytokine axis. Implant surfaces can be synthesized with peptide nanocoatings to present immunomodulatory motifs to target peri-implant keratinocytes to control macrophage polarization and regulate inflammatory axises toward enhancing soft tissue healing. METHODS We synthesized an IL-23 receptor (IL-23R) noncompetitive antagonist peptide nanocoating using silanization and evaluated keratinocyte secretome changes and macrophage polarization (M1-like "pro-inflammatory" vs. M2-like "pro-regenerative"). RESULTS IL-23R antagonist peptide nanocoatings were successfully synthesized on titanium, to model dental implant surfaces, and compared to nonfunctional nanocoatings and non-coated titanium. IL-23R antagonist nanocoatings significantly decreased keratinocyte IL-23, and downstream IL-17A, expression compared to controls. This peptide noncompetitive antagonistic function was demonstrated under lipopolysaccharide stimulation. Large scale changes in keratinocyte secretome content, toward a pro-regenerative milieu, were observed from keratinocytes cultured on the IL-23R antagonist nanocoatings compared to controls. Conditioned medium collected from keratinocytes cultured on the IL-23R antagonist nanocoatings polarized macrophages toward a M2-like phenotype, based on increased CD163 and CD206 expression and reduced iNOS expression, compared to controls. SIGNIFICANCE Our results support development of IL-23R noncompetitive antagonist nanocoatings to reduce the pro-inflammatory IL-23/17A pathway and augment macrophage polarization toward a pro-regenerative phenotype. Immunomodulatory implant surface engineering may promote soft tissue healing and thereby reduce rates of peri-implantitis.
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Affiliation(s)
- John A Pizarek
- MDRCBB-Minnesota Dental Research Center for Biomaterials and Biomechanics, University of Minnesota, 16-212 Moos Tower, 515 Delaware St. SE, Minneapolis, MN 55455, USA; United States Navy Dental Corps, Naval Medical Leader and Professional Development Command, 8955 Wood Road Bethesda, MD 20889, USA
| | - Nicholas G Fischer
- MDRCBB-Minnesota Dental Research Center for Biomaterials and Biomechanics, University of Minnesota, 16-212 Moos Tower, 515 Delaware St. SE, Minneapolis, MN 55455, USA.
| | - Conrado Aparicio
- MDRCBB-Minnesota Dental Research Center for Biomaterials and Biomechanics, University of Minnesota, 16-212 Moos Tower, 515 Delaware St. SE, Minneapolis, MN 55455, USA; UIC Barcelona - Universitat Internacional de Catalunya, Josep Trueta s/n, 08195 Sant Cugat del Valles, Barcelona, Spain; IBEC- Institute for Bioengineering of Catalonia, Baldiri Reixac 15-21, 08028 Barcelona, Spain.
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31
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Yang Y, Liu M, Yang Z, Lin WS, Chen L, Tan J. Enhanced Antibacterial Effect on Zirconia Implant Abutment by Silver Linear-Beam Ion Implantation. J Funct Biomater 2023; 14:jfb14010046. [PMID: 36662093 PMCID: PMC9865340 DOI: 10.3390/jfb14010046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2022] [Revised: 12/30/2022] [Accepted: 01/11/2023] [Indexed: 01/15/2023] Open
Abstract
Peri-implant lesions, such as peri-implant mucositis and peri-implantitis, are bacterial-derived diseases that happen around dental implants, compromising the long-term stability and esthetics of implant restoration. Here, we report a surface-modification method on zirconia implant abutment using silver linear-beam ion implantation to reduce the bacterial growth around the implant site, thereby decreasing the prevalence of peri-implant lesions. The surface characteristics of zirconia after ion implantation was evaluated using energy dispersive spectroscopy, X-ray photoelectron spectroscopy, and a contact-angle device. The antibacterial properties of implanted zirconia were evaluated using Streptococcus mutans and Porphyromonas gingivalis. The biocompatibility of the material surface was evaluated using human gingival fibroblasts. Our study shows that the zirconia surface was successfully modified with silver nanoparticles by using the ion-implantation method. The surface modification remained stable, and the silver-ion elution was below 1 ppm after one-month of storage. The modified surface can effectively eliminate bacterial growth, while the normal gingiva's cell growth is not interfered with. The results of the study demonstrate that a silver-ion-implanted zirconia surface possesses good antibacterial properties and good biocompatibility. The surface modification using silver-ion implantation is a promising method for future usage.
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Affiliation(s)
- Yang Yang
- Department of Prosthodontics, Peking University School, Hospital of Stomatology, Beijing 100081, China
- National Center of Stomatology, National Clinical Research Center for Oral Diseases, National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing Key Laboratory of Digital Stomatology, Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health, NMPA Key Laboratory for Dental Materials, No. 22, Zhongguancun South Avenue, Haidian District, Beijing 100081, China
| | - Mingyue Liu
- National Center of Stomatology, National Clinical Research Center for Oral Diseases, National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing Key Laboratory of Digital Stomatology, Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health, NMPA Key Laboratory for Dental Materials, No. 22, Zhongguancun South Avenue, Haidian District, Beijing 100081, China
- First Clinical Division, Peking University School, Hospital of Stomatology, Beijing 100081, China
| | - Zhen Yang
- Department of Prosthodontics, Peking University School, Hospital of Stomatology, Beijing 100081, China
- National Center of Stomatology, National Clinical Research Center for Oral Diseases, National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing Key Laboratory of Digital Stomatology, Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health, NMPA Key Laboratory for Dental Materials, No. 22, Zhongguancun South Avenue, Haidian District, Beijing 100081, China
| | - Wei-Shao Lin
- Department of Prosthodontics, Indiana University School of Dentistry, Indianapolis, IN 46202, USA
| | - Li Chen
- Department of Prosthodontics, Peking University School, Hospital of Stomatology, Beijing 100081, China
- National Center of Stomatology, National Clinical Research Center for Oral Diseases, National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing Key Laboratory of Digital Stomatology, Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health, NMPA Key Laboratory for Dental Materials, No. 22, Zhongguancun South Avenue, Haidian District, Beijing 100081, China
- Correspondence:
| | - Jianguo Tan
- Department of Prosthodontics, Peking University School, Hospital of Stomatology, Beijing 100081, China
- National Center of Stomatology, National Clinical Research Center for Oral Diseases, National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing Key Laboratory of Digital Stomatology, Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health, NMPA Key Laboratory for Dental Materials, No. 22, Zhongguancun South Avenue, Haidian District, Beijing 100081, China
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32
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Yoo H, Park JB, Ko Y. Evaluation of health screening data for factors associated with peri-implant bone loss. J Periodontal Implant Sci 2022; 52:509-521. [PMID: 36584329 PMCID: PMC9807850 DOI: 10.5051/jpis.2203620181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 11/09/2022] [Accepted: 11/23/2022] [Indexed: 12/24/2022] Open
Abstract
PURPOSE Systemic health has a profound effect on dental treatment. The aim of this study was to evaluate peri-implant bone loss and health screening data to discover factors that may influence peri-implant diseases. METHODS This study analyzed the panoramic X-rays of patients undergoing health screenings at the Health Promotion Center at Seoul St. Mary's Hospital in 2018, to investigate the relationship between laboratory test results and dental data. The patients' physical data, such as height, weight, blood pressure, hematological and urine analysis data, smoking habits, number of remaining teeth, alveolar bone level, number of implants, and degree of bone loss around the implant, were analyzed for correlations. Their associations with glycated hemoglobin, glucose, blood urea nitrogen (BUN), creatinine, and severity of periodontitis were evaluated using univariate and multivariate regression analysis. RESULTS In total, 2,264 patients opted in for dental health examinations, of whom 752 (33.2%) had undergone dental implant treatment. These 752 patients had a total of 2,658 implants, and 129 (17.1%) had 1 or more implants with peri-implant bone loss of 2 mm or more. The number of these implants was 204 (7%). Body mass index and smoking were not correlated with peri-implant bone loss. Stepwise multivariate regression analysis revealed that the severity of periodontal bone loss (moderate bone loss: odds ratio [OR], 3.154; 95% confidence interval [CI], 1.175-8.475 and severe bone loss: OR, 7.751; 95% CI, 3.003-20) and BUN (OR, 1.082; 95% CI, 1.027-1.141) showed statistically significant predictive value. The severity of periodontitis showed greater predictive value than the biochemical parameters of blood glucose, renal function, and liver function. CONCLUSIONS The results of this study showed that periodontal bone loss was a predictor of peri-implant bone loss, suggesting that periodontal disease should be controlled before dental treatment. Diligent maintenance care is recommended for patients with moderate to severe periodontal bone loss.
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Affiliation(s)
- Hyunjong Yoo
- Graduate School of Clinical Dental Science, The Catholic University of Korea, Seoul, Korea
| | - Jun-Beom Park
- Graduate School of Clinical Dental Science, The Catholic University of Korea, Seoul, Korea.,Departement of Dentistry, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Youngkyung Ko
- Graduate School of Clinical Dental Science, The Catholic University of Korea, Seoul, Korea.,Departement of Dentistry, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
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33
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Khan SN, Koldsland OC, Roos-Jansåker AM, Wohlfahrt JC, Verket A, Mdala I, Magnusson A, Salvesen E, Hjortsjö C. Non-surgical treatment of mild to moderate peri-implantitis using an oscillating chitosan brush or a titanium curette-A randomized multicentre controlled clinical trial. Clin Oral Implants Res 2022; 33:1254-1264. [PMID: 36207993 PMCID: PMC10092542 DOI: 10.1111/clr.14007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 08/16/2022] [Accepted: 09/06/2022] [Indexed: 12/24/2022]
Abstract
OBJECTIVES This prospective, parallel-group, examiner-blinded, multicentre, randomized, controlled clinical trial aimed to assess the efficacy of an oscillating chitosan brush (OCB) versus titanium curettes (TC) on clinical parameters in the non-surgical treatment of peri-implantitis. MATERIAL AND METHODS In five dental specialist clinics, 39 patients with one implant with mild to moderate peri-implantitis, defined as 2-4 mm radiographic reduced bone level, bleeding index (BI) ≥ 2, and probing pocket depth (PPD) ≥ 4 mm were randomly allocated to test and control groups, receiving OCB or TC debridement, respectively. Treatment was performed at baseline and three months. PPD, BI, and Plaque index (PI) were measured at six sites per implant and recorded by five blinded examiners at baseline, one, three, and six month(s). Pus was recorded as present/not present. Changes in PPD and BI were compared between groups and analysed using multilevel partial ordinal and linear regression. RESULTS Thirty-eight patients completed the study. Both groups showed significant reductions in PPD and BI at six months compared with baseline (p < .05). There was no statistically significant difference in PPD and BI changes between the groups. Eradication of peri-implant disease as defined was observed in 9.5% of cases in the OCB group and 5.9% in the TC group. CONCLUSIONS Within the limitations of this six-month multicentre clinical trial, non-surgical treatment of peri-implantitis with OCB and TC showed no difference between the interventions. Eradication of disease was not predictable for any of the groups.
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Affiliation(s)
- Sadia N Khan
- Department of Prosthetics and Oral Function, Institute of Clinical Dentistry, Faculty of Dentistry, University of Oslo, Oslo, Norway
| | - Odd Carsten Koldsland
- Department of Periodontology, Institute of Clinical Dentistry, Faculty of Dentistry, University of Oslo, Oslo, Norway
| | - Ann-Marie Roos-Jansåker
- Department of Periodontology, Public Dental Health Services, Kristianstad, Sweden.,Department of Periodontology, Blekinge Hospital, Karlskrona, Sweden
| | - Johan Caspar Wohlfahrt
- Department of Periodontology, Institute of Clinical Dentistry, Faculty of Dentistry, University of Oslo, Oslo, Norway
| | - Anders Verket
- Department of Periodontology, Institute of Clinical Dentistry, Faculty of Dentistry, University of Oslo, Oslo, Norway
| | - Ibrahimu Mdala
- Department of General Practice, University of Oslo, Oslo, Norway
| | - Anna Magnusson
- Department of Periodontology, Public Dental Health Services, Örebro, Sweden
| | | | - Carl Hjortsjö
- Department of Prosthetics and Oral Function, Institute of Clinical Dentistry, Faculty of Dentistry, University of Oslo, Oslo, Norway
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34
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Sousa V, Spratt D, Davrandi M, Mardas N, Beltrán V, Donos N. Oral Microcosm Biofilms Grown under Conditions Progressing from Peri-Implant Health, Peri-Implant Mucositis, and Peri-Implantitis. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:14088. [PMID: 36360970 PMCID: PMC9654334 DOI: 10.3390/ijerph192114088] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 09/05/2022] [Accepted: 09/14/2022] [Indexed: 06/16/2023]
Abstract
Peri-implantitis is a disease influenced by dysbiotic microbial communities that play a role in the short- and long-term outcomes of its clinical treatment. The ecological triggers that establish the progression from peri-implant mucositis to peri-implantitis remain unknown. This investigation describes the development of a novel in vitro microcosm biofilm model. Biofilms were grown over 30 days over machined titanium discs in a constant depth film fermentor (CDFF), which was inoculated (I) with pooled human saliva. Following longitudinal biofilm sampling across peri-implant health (PH), peri-implant mucositis (PM), and peri-implantitis (PI) conditions, the characterisation of the biofilms was performed. The biofilm analyses included imaging by confocal laser scanning microscopy (CLSM) and scanning electron microscopy (SEM), selective and non-selective culture media of viable biofilms, and 16S rRNA gene amplification and sequencing. Bacterial qualitative shifts were observed by CLSM and SEM across conditions, which were defined by characteristic phenotypes. A total of 9 phyla, 83 genera, and 156 species were identified throughout the experiment. The phyla Proteobacteria, Bacteroidetes, Firmicutes, Fusobacteria, and Actinobacteria showed the highest prevalence in PI conditions. This novel in vitro microcosm model provides a high-throughput alternative for growing microcosm biofilms resembling an in vitro progression from PH-PM-PI conditions.
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Affiliation(s)
- Vanessa Sousa
- Periodontology and Periodontal Medicine, Centre for Host-Microbiome Interactions, Faculty of Dentistry, Oral and Craniofacial Sciences, Kings College London, Guy’s and St Thomas’ NHS Foundation Trust, London SE1 9RT, UK
| | - Dave Spratt
- Microbial Diseases, Eastman Dental Institute, University College London, London WC1E 6BT, UK
| | - Mehmet Davrandi
- Microbial Diseases, Eastman Dental Institute, University College London, London WC1E 6BT, UK
| | - Nikos Mardas
- Centre for Oral Clinical Research, Centre for Oral Immunobiology and Regenerative Medicine, Institute of Dentistry, Barts and The London School of Medicine and Dentistry, Queen Mary University London, London E1 2AD, UK
| | - Víctor Beltrán
- Clinical Investigation and Dental Innovation Center (CIDIC), Dental School and Center for Translational Medicine (CEMT-BIOREN), Universidad de La Frontera, Temuco 4780000, Chile
| | - Nikolaos Donos
- Centre for Oral Clinical Research, Centre for Oral Immunobiology and Regenerative Medicine, Institute of Dentistry, Barts and The London School of Medicine and Dentistry, Queen Mary University London, London E1 2AD, UK
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35
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Zhao R, Zhao W, Huang J, Fang M, Dong Y, Chen J, Ji Z, Tian M. Prevalence and Risk Factors of Peri-Implant Disease: A Retrospective Case-Control Study in Western China. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:12667. [PMID: 36231969 PMCID: PMC9566187 DOI: 10.3390/ijerph191912667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 09/24/2022] [Accepted: 09/30/2022] [Indexed: 06/16/2023]
Abstract
BACKGROUND The present study aimed to investigate the prevalence of peri-implant disease and identify potential disease risk factors in western China. METHODS The present retrospective study was conducted in 131 consecutive patients receiving 248 dental implants treated with implant-supported prostheses with a mean follow-up of 2.52 years. Several patient-related, implant-related, and oral hygiene maintenance factors were analyzed. RESULTS Peri-implant disease developed in 68 (51.91%) patients and 110 (44.35%) implants. The prevalence of peri-implant mucositis and peri-implantitis were 45.80% and 7.63%, respectively, at the subject level, and 36.69% and 7.66%, respectively, at the implant level. Multivariate analysis exhibited that male [odds ratio (OR) = 1.91; 95% confidence interval (CI): 1.02-3.57; p = 0.04], implant length < 10mm (OR = 7.87; 95% CI:1.62-38.46; p = 0.01), poor proximal contact of the prosthesis (OR = 1.90; 95% CI: 1.06-3.42; p = 0.03), tooth brushing once a day (OR = 3.11; 95% CI: 1.26-7.68; p = 0.04) and moderate periodontitis (OR = 13.00; 95% CI: 4.38-38.60; p < 0.01) were independent risk factors for peri-implant disease.
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Affiliation(s)
- Rui Zhao
- State Key Laboratory of Military Stomatology, School of Stomatology, The Fourth Military Medical University, Xi’an 710032, China
- National Clinical Research Center for Oral Diseases, School of Stomatology, The Fourth Military Medical University, Xi’an 710032, China
- Shaanxi Key Laboratory of Stomatology, School of Stomatology, The Fourth Military Medical University, Xi’an 710032, China
- Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi’an 710032, China
| | - Wen Zhao
- State Key Laboratory of Military Stomatology, School of Stomatology, The Fourth Military Medical University, Xi’an 710032, China
- National Clinical Research Center for Oral Diseases, School of Stomatology, The Fourth Military Medical University, Xi’an 710032, China
- Shaanxi Key Laboratory of Stomatology, School of Stomatology, The Fourth Military Medical University, Xi’an 710032, China
- Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi’an 710032, China
| | - Jin Huang
- State Key Laboratory of Military Stomatology, School of Stomatology, The Fourth Military Medical University, Xi’an 710032, China
- National Clinical Research Center for Oral Diseases, School of Stomatology, The Fourth Military Medical University, Xi’an 710032, China
- Shaanxi Key Laboratory of Stomatology, School of Stomatology, The Fourth Military Medical University, Xi’an 710032, China
- Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi’an 710032, China
| | - Ming Fang
- State Key Laboratory of Military Stomatology, School of Stomatology, The Fourth Military Medical University, Xi’an 710032, China
- National Clinical Research Center for Oral Diseases, School of Stomatology, The Fourth Military Medical University, Xi’an 710032, China
- Shaanxi Key Laboratory of Stomatology, School of Stomatology, The Fourth Military Medical University, Xi’an 710032, China
- Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi’an 710032, China
| | - Yan Dong
- State Key Laboratory of Military Stomatology, School of Stomatology, The Fourth Military Medical University, Xi’an 710032, China
- National Clinical Research Center for Oral Diseases, School of Stomatology, The Fourth Military Medical University, Xi’an 710032, China
- Shaanxi Key Laboratory of Stomatology, School of Stomatology, The Fourth Military Medical University, Xi’an 710032, China
- Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi’an 710032, China
| | - Jihua Chen
- State Key Laboratory of Military Stomatology, School of Stomatology, The Fourth Military Medical University, Xi’an 710032, China
- National Clinical Research Center for Oral Diseases, School of Stomatology, The Fourth Military Medical University, Xi’an 710032, China
- Shaanxi Key Laboratory of Stomatology, School of Stomatology, The Fourth Military Medical University, Xi’an 710032, China
- Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi’an 710032, China
| | - Zhaohua Ji
- Department of Epidemiology, School of Public Health, Air Force Medical University, Xi’an 710032, China
- Ministry of Education Key Lab of Hazard Assessment and Control in Special Operational Environment, Air Force Medical University, Xi’an 710032, China
| | - Min Tian
- State Key Laboratory of Military Stomatology, School of Stomatology, The Fourth Military Medical University, Xi’an 710032, China
- National Clinical Research Center for Oral Diseases, School of Stomatology, The Fourth Military Medical University, Xi’an 710032, China
- Shaanxi Key Laboratory of Stomatology, School of Stomatology, The Fourth Military Medical University, Xi’an 710032, China
- Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi’an 710032, China
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36
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Risk Characteristics of Peri-Implant Infections: A Retrospective Evaluation in a University Consultation Setting. Dent J (Basel) 2022; 10:dj10090159. [PMID: 36135154 PMCID: PMC9497582 DOI: 10.3390/dj10090159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2022] [Revised: 08/05/2022] [Accepted: 08/24/2022] [Indexed: 11/17/2022] Open
Abstract
Peri-implantitis is a common biological complication in dentistry. The aim of the present study was to retrospectively analyze risk characteristics in a group of patients referred to a university-based consultation for peri-implantitis. In all, 190 initial cases from 2010 to 2019 were evaluated and descriptively summarized. The evaluation included various parameters such as periodontitis, smoking and oral hygiene status, implant position, type of prosthetic restoration and retention, mucosal quality, and further anamnestic and clinical findings related to the potential risk of developing peri-implantitis. Peri-implantitis was diagnosed in 83% of the cases, with peri-implant mucositis alone in 16% of cases; furthermore, 38% of the patients were diagnosed with active/instable periodontitis, while 14% had stable periodontitis. Residual cement was considered as a potential co-factor of peri-implant inflammation in 43% of cases. Suboptimal implant positioning was found in 19% of patients. Peri-implantitis or peri-implant mucositis was present in about one-third of patients in the absence of smoking and periodontitis factors. Of note, 6% showed no identifiable risk factors. Factors related to an increased risk of peri-implantitis should be taken into consideration when planning implant treatment. Adequate prosthetic implant position, restoration, and cleanability remain important for long-term success.
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37
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Molecular Biomarkers in Peri-Implant Health and Disease: A Cross-Sectional Pilot Study. Int J Mol Sci 2022; 23:ijms23179802. [PMID: 36077204 PMCID: PMC9456434 DOI: 10.3390/ijms23179802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Revised: 08/19/2022] [Accepted: 08/24/2022] [Indexed: 11/16/2022] Open
Abstract
Background: The aim of this feasibility study was to investigate the concentration level of CCL-20/MIP-3α, BAFF/BLyS, IL-23, RANKL, and Osteoprotegerin in the Peri-Implant Crevicular Fluid (PICF), from patients diagnosed with peri-implant mucositis and peri-implantitis, and to compare them with PICF from patients with healthy implants. Methods: Participants with at least one dental implant with healthy peri-implant tissues, peri-implant mucositis, or peri-implantitis were included. PICF was collected using paper strips from healthy and diseased peri-implant sites (n = 19). Biomarker levels were analyzed using a custom Multiplex ELISA Assay Kit. Results: In comparison to peri-implant health, the peri-implant mucositis group showed an increased concentration of CCL-20 MIP-3α, BAFF/BLyS, IL-23, RANKL, and Osteoprotegerin. The peri-implantitis group had the lowest median concentration of Osteoprotegerin (1963 ng/mL); this group had a similar concentration of RANKL (640.84 ng/mL) when compared to the peri-implant health group. BAFF/BLyS (17.06 ng/mL) showed the highest concentration in the peri-implantitis group. Conclusions: This feasibility study suggests that IL-23 and RANKL may help to elucidate the pathogenesis during the conversion from peri-implant health to peri-implantitis. Further research is required in BAFF/BLyS for the early diagnosis of peri-implantitis.
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38
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Moraschini V, Kischinhevsky ICC, Sartoretto SC, de Almeida Barros Mourão CF, Sculean A, Calasans-Maia MD, Shibli JA. Does implant location influence the risk of peri-implantitis? Periodontol 2000 2022; 90:224-235. [PMID: 35913455 DOI: 10.1111/prd.12459] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Peri-implantitis is characterized by nonreversible and progressive loss of supporting bone and is associated with bleeding and/or suppuration on probing. Peri-implant disease is considered as the main etiologic factor related to implant failure. Peri-implant disease has a pathogenesis similar to that of periodontal disease, both being triggered by an inflammatory response to the biofilm accumulation. Although the prevalence of peri-implantitis has been evaluated by several clinical studies with different follow-ups, there are currently little data on the impact of implant location and the prevalence of peri-implantitis. The aim of this review, therefore, was to summarize the evidence concerning the prevalence of peri-implantitis in relation to implant location and associated risk predictors. Even though most studies evaluating the prevalence of peri-implantitis in relation to implant location are cross-sectional or retrospective, they suggest that the occurrence of peri-implantitis is most prevalent in the anterior regions of the maxilla and mandible. Moreover, it seems that there is a higher prevalence of peri-implantitis in the maxilla than in the mandible.
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Affiliation(s)
- Vittorio Moraschini
- Department of Periodontology, Dental Research Division, School of Dentistry, Veiga de Almeida University, Rio de Janeiro, Brazil.,Department of Oral Surgery, Dentistry School, Fluminense Federal University, Niterói, Rio de Janeiro, Brazil
| | | | - Suelen Cristina Sartoretto
- Department of Oral Surgery, Dentistry School, Fluminense Federal University, Niterói, Rio de Janeiro, Brazil
| | | | - Anton Sculean
- Department of Periodontology, School of Dental Medicine, University of Bern, Bern, Switzerland
| | - Monica Diuana Calasans-Maia
- Department of Oral Surgery, Dentistry School, Fluminense Federal University, Niterói, Rio de Janeiro, Brazil
| | - Jamil Awad Shibli
- Department of Periodontology and Oral Implantology, Dental Research Division, University of Guarulhos, São Paulo, Brazil
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39
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Coraça-Huber DC, Steixner SJM, Najman S, Stojanovic S, Finze R, Rimashevskiy D, Saginova D, Barbeck M, Schnettler R. Lyophilized Human Bone Allograft as an Antibiotic Carrier: An In Vitro and In Vivo Study. Antibiotics (Basel) 2022; 11:antibiotics11070969. [PMID: 35884224 PMCID: PMC9312243 DOI: 10.3390/antibiotics11070969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 07/04/2022] [Accepted: 07/13/2022] [Indexed: 02/04/2023] Open
Abstract
Background: Antibiotics delivered from implanted bone substitute materials (BSM) can potentially be used to prevent acute infections and biofilm formation, providing high concentrations of antibiotics at the surgical site without systemic toxicity. In addition, BSM should allow osteoconductivity supporting bone healing without further surgery. Promising results have been achieved using lyophilized bone allografts mixed with antibiotics. Methods: In this study specially prepared human bone allografts were evaluated as an antibiotic carrier in vitro and in vivo. The efficacy of different antibiotic-impregnated bone allografts was measured by drug release tests in vitro and in vivo and bacterial susceptibility tests using four bacterial species usually responsible for implant-associated infections. Results: The loading procedures of allograft bone substitutes with antibiotics were successful. Some of the antibiotic concentrations exceeded the MIC90 for up to 7 days in vitro and for up to 72 h in vivo. The susceptibility tests showed that S. epidermidis ATCC 12228 was the most susceptible bacterial species in comparison to the other strains tested for all antibiotic substances. Vancomycin and rifampicin showed the best results against standard and patient-isolated strains in vitro. In vivo, new bone formation was comparable in all study groups including the control group without antibiotic loading. Conclusions: Human bone allografts showed the capacity to act as customized loaded antibiotic carriers to prevent acute infections and should be considered in the management of bone infections in combination with systemic antimicrobial therapy.
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Affiliation(s)
- Débora C. Coraça-Huber
- Research Laboratory for Biofilms and Implant Associated Infections (BIOFILM LAB), Experimental Orthopaedics, University Hospital for Orthopaedics and Traumatology, Medical University of Innsbruck, Peter-Mayr-Strasse 4b, Room 204, 6020 Innsbruck, Austria;
- Correspondence: ; Tel.: +43-512-9003-71697; Fax: +43-512-9003-73691
| | - Stephan J. M. Steixner
- Research Laboratory for Biofilms and Implant Associated Infections (BIOFILM LAB), Experimental Orthopaedics, University Hospital for Orthopaedics and Traumatology, Medical University of Innsbruck, Peter-Mayr-Strasse 4b, Room 204, 6020 Innsbruck, Austria;
| | - Stevo Najman
- Department of Cell and Tissue Engineering, Scientific Research Center for Biomedicine, Faculty of Medicine, University of Niš, Blvd. Dr Zorana Djindjica, 18108 Niš, Serbia; (S.N.); (S.S.)
- Department of Biology and Human Genetics, Faculty of Medicine, University of Niš, Blvd. Dr Zorana Djindjica, 18108 Niš, Serbia
| | - Sanja Stojanovic
- Department of Cell and Tissue Engineering, Scientific Research Center for Biomedicine, Faculty of Medicine, University of Niš, Blvd. Dr Zorana Djindjica, 18108 Niš, Serbia; (S.N.); (S.S.)
- Department of Biology and Human Genetics, Faculty of Medicine, University of Niš, Blvd. Dr Zorana Djindjica, 18108 Niš, Serbia
| | - Ronja Finze
- University Medical Centre, Justus Liebig University of Giessen, 35390 Giessen, Germany; (R.F.); (R.S.)
| | - Denis Rimashevskiy
- Department of Traumatology and Orthopedics, Peoples Friendship University of Russia, Miklukho-Maklaya Street 6, 117198 Moscow, Russia;
| | - Dina Saginova
- National Scientific Center of Traumatology and Orthopedics Named after Academician N. D. Batpenov, 15a Abylay khan Ave., Nur-Sultan 01000, Kazakhstan;
| | - Mike Barbeck
- Clinic and Policlinic for Dermatology and Venereology, University Medical Center Rostock, 18057 Rostock, Germany;
- BerlinAnalytix GmbH, 12109 Berlin, Germany
| | - Reinhard Schnettler
- University Medical Centre, Justus Liebig University of Giessen, 35390 Giessen, Germany; (R.F.); (R.S.)
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Rustand K, Aass AM, Sen A, Koldsland OC. Oral health-related quality of life following peri-implantitis surgery; a prospective study. Clin Oral Implants Res 2022; 33:858-867. [PMID: 35754304 PMCID: PMC9546445 DOI: 10.1111/clr.13967] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 05/12/2022] [Accepted: 05/12/2022] [Indexed: 11/28/2022]
Abstract
AIM The aim of this prospective study was to describe long-term patient-reported outcomes following surgical treatment of peri-implantitis. METHODS Oral health related quality of life (OHRQoL) of 43 patients diagnosed with peri-implantitis was recorded using the short form of the Oral Health Impact Profile (OHIP-14), where low scores indicate low impact. A Norwegian version of the OHIP-14 form was filled out 1 week before and 6-, 18- and 36 months after the peri-implant surgery. The mean and median OHIP-14 scores were calculated for its seven domains (i.e Functional limitation, Physical pain, Psychological discomfort, Physical disability, Psychological disability, Sosial disability and Handicap) across four different time-points. The dataset was analyzed to find correlations between independent variables and the OHIP-scores. RESULTS The OHIP-14 scores were at a low level from baseline to 36 months post-surgery. The mean scores at specific timepoints were at baseline 7.2 (SD 7.3), 6 months post-surgery 6.0 (SD 6.9), 18 months post-surgery 6.8 (SD 9.7) and 3 years post-surgery 7.0 (SD 9.4). None of these changes were statistically significant. Specific domains of OHRQoL did not significantly differ across different time-points (pre- and post-surgery) in males (except for domain 'handicap') or females (except for domain 'functional limitation'). CONCLUSIONS The reported OHIP-14 measures were initially low and stayed low up to three years after peri-implant surgery. This may indicate that neither the disease nor the treatment deteriorated or improved the OHRQoL.
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Affiliation(s)
| | | | - Abhijit Sen
- Kompetansesenteret Tannhelse Midt Trøndelag FKF, Norway
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Li ZB, Li K, Du M, Ren SB, Yu Y. Surgical treatment of peri-implantitis with or without adjunctive graft material: a systematic review and meta-analysis of randomized controlled trials. Int J Oral Maxillofac Surg 2022; 52:107-117. [PMID: 35717280 DOI: 10.1016/j.ijom.2022.05.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 05/18/2022] [Accepted: 05/19/2022] [Indexed: 10/18/2022]
Abstract
This systematic review and meta-analysis was performed to compare the clinical effect of surgical treatment of peri-implantitis alone or in combination with graft material. Literature searches were conducted up to June 20, 2020. Randomized controlled trials (RCTs) comparing the clinical effects of open flap debridement (OFD) alone and OFD with adjunctive graft materials for the treatment of peri-implantitis were included. Probing depth (PD) changes and marginal bone level (MBL) changes were assessed and expressed as the standardized mean difference (SMD) with 95% confidence interval (CI). Subgroup analyses and sensitivity analyses were conducted. The search yielded 7419 articles, five of which were analysed quantitatively. The adjunctive use of graft materials in OFD did not provide additional PD improvements (SMD 0.46, 95% CI -0.13 to 1.05; P = 0.13), but did yield additional MBL improvements (SMD 1.04, 95% CI 0.71-1.37; P < 0.01). The degradability of the material, number of implants included per patient, and risk of bias did not have significant effects on the results, but the origin of the material may affect the PD improvements. Based on the available evidence, the adjunctive use of graft materials in the surgical treatment of peri-implantitis can significantly improve MBL changes but not PD changes.
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Affiliation(s)
- Z-B Li
- Department of Periodontology, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University and Shandong Key Laboratory of Oral Tissue Regeneration and Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, Shandong, China; State Key Laboratory of Military Stomatology, National Clinical Research Center for Oral Diseases, School of Stomatology, Fourth Military Medical University, Xi'an, Shaanxi, China; Department of Periodontology, Jinan Stomatological Hospital, Jinan, China
| | - K Li
- Department of Periodontology, Jinan Stomatological Hospital, Jinan, China
| | - M Du
- School of Public Health, The University of Adelaide and Robinson Research Institute, The University of Adelaide, Adelaide, Australia
| | - S-B Ren
- Department of Stomatology, Medical Team of 66081 Troop of PLA, Zhangjiakou, China
| | - Y Yu
- Department of Periodontology, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University and Shandong Key Laboratory of Oral Tissue Regeneration and Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, Shandong, China.
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Mo JJ, Lai YR, Qian SJ, Shi JY, Lai HC, Tang GY. Long-term clinical outcomes of short implant (6mm) in relation to Implant Disease Risk Assessment (IDRA). Clin Oral Implants Res 2022; 33:713-722. [PMID: 35509121 DOI: 10.1111/clr.13935] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2021] [Revised: 04/21/2022] [Accepted: 04/25/2022] [Indexed: 11/30/2022]
Abstract
AIM To evaluate the long-term survivals of short implants and to investigate the association of the Implant Disease Risk Assessment (IDRA) with the occurrence of biological complications. MATERIAL AND METHODS This study was designed as a cohort study with a median follow-up of 10.0 years. Patients who had received 6-mm implants were reviewed and assigned into low-, moderate- and high-risk groups (Group L, M and H) based on the IDRA tool. The implant survival, biological complications, soft tissue condition, hardware complications and marginal bone loss (MBL) were evaluated. Kaplan-Meier curves and Cox regression were performed for survival analysis. RESULTS A hundred and ten patients were included. The overall cumulative survival rate was 90.9% (L:100.0%, M: 93.3% and H: 80.6%). A higher risk profile was significantly associated with a decreased implant survival (hazard ratio: 4.11, 95% CI: 1.17-14.36, p<0.05). Higher risk profile (hazard ratio: 2.63, 95% CI: 1.32-5.25, p<0.05) was a potential risk factor for biological complications. At follow-up, significant differences in bleeding index, modified plaque index and peri-implant probing depth were found among groups (p<0.01). No significant difference was found in MBL. CONCLUSION Acceptable long-term clinical outcomes could be achieved after 10 years for short implants. Despite a statistically nonsignificant difference in MBL, patients with a high-risk profile of IDRA seem to be at greater risk of implant loss and biological complications.
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Affiliation(s)
- Jia-Ji Mo
- Department of Implant Dentistry, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, 200011, China
| | - Yi-Rao Lai
- Department of Implant Dentistry, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, 200011, China.,Department of Oral Medicine, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Shu-Jiao Qian
- Department of Implant Dentistry, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, 200011, China
| | - Jun-Yu Shi
- Department of Implant Dentistry, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, 200011, China
| | - Hong-Chang Lai
- Department of Implant Dentistry, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, 200011, China
| | - Guo-Yao Tang
- Department of Oral Medicine, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Department of Otolaryngology-Head and Neck Surgery, Shanghai Xin Hua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Li L, Sun W, Yu J, Lei W, Zeng H, Shi B. Effects of titanium dioxide microparticles and nanoparticles on cytoskeletal organization, cell adhesion, migration, and proliferation in human gingival fibroblasts in the presence of lipopolysaccharide. J Periodontal Res 2022; 57:644-659. [PMID: 35438207 DOI: 10.1111/jre.12993] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 03/02/2022] [Accepted: 03/28/2022] [Indexed: 11/27/2022]
Abstract
BACKGROUND AND OBJECTIVE Titanium wear particles may participate in the etiology of peri-implantitis. However, the influence of titanium wear particles on biological behavior of human gingival fibroblasts (HGFs) in the presence of LPS is still not clear. The present study demonstrated the effects of titanium dioxide micro- and nanoparticles (TiO2 MPs and NPs) on HGF cell viability, cytoskeletal organization, adhesion, migration, and proliferation in vitro, and LPS was used to mimic the in vivo condition. METHODS Primary HGFs were treated with TiO2 MPs (primary particle size <5 μm, 0.1 mg/ml) and NPs (primary particle size <100 nm, 0.1 mg/ml) with or without 1 μg/ml LPS. The effects of TiO2 MPs and NPs on HGFs cell viability was measured by CCK-8 assay. The proliferation of HGF was detected by Ki67 nuclear staining. The confocal laser scanning microscope (CLSM) was used to detect the internalization of TiO2 MPs and NPs in HGFs as well as the arrangement of F-actin, vinculin, and vimentin organization. Wound healing assay and transwell assay were performed to measure the migration of HGFs induced by TiO2 MPs and NPs. Cell adhesion was measured using fibronectin-coated plates. The relative mRNA and protein expression of adhesion relative protein such as focal adhesion kinase (FAK), fibronectin (FN), and type I collagen (COL1) were measured using quantitative RT-PCR and western blot analysis. One-way analysis of variance (ANOVA) and Student's t-test were used to analyze the statistical significance, and p < .05 was considered statistically significant. RESULTS TiO2 NPs significantly inhibited HGF cell viability, proliferation, and migration compared with TiO2 MPs group and control group. Compared with control group (2.64 ± 0.09), the mean absorbance of the cells in 1 mg/ml TiO2 MPs group and 0.25 mg/ml TiO2 NPs group were significantly decreased to 1.93 ± 0.33 (p < .05) and 2.22 ± 0.18 (p < .01), respectively. The cytoskeleton disruption was found in TiO2 NPs group. The mRNA and protein expression were significantly downregulated by TiO2 NPs. Furthermore, both TiO2 NPs and MPs induced more adverse effects on HGFs in the presence of LPS. CONCLUSION Our results indicate that TiO2 NPs but not TiO2 MPs significantly disrupt the cytoskeletal organization and inhibited cell adhesion, migration, and proliferation of HGFs. However, in the presence of LPS, TiO2 MPs, and TiO2 NPs enhance these negative effects in HGFs. Titanium wear particles are probably involved in the initiation and progression of peri-implant diseases.
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Affiliation(s)
- Lei Li
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory for Oral Biomedical Ministry of Education, Wuhan, China.,School and Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Wei Sun
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory for Oral Biomedical Ministry of Education, Wuhan, China.,School and Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Jian Yu
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory for Oral Biomedical Ministry of Education, Wuhan, China.,School and Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Wenlong Lei
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory for Oral Biomedical Ministry of Education, Wuhan, China.,School and Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Hao Zeng
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory for Oral Biomedical Ministry of Education, Wuhan, China.,School and Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Bin Shi
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory for Oral Biomedical Ministry of Education, Wuhan, China.,School and Hospital of Stomatology, Wuhan University, Wuhan, China
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Thiebot N, Hamdani A, Blanchet F, Dame M, Tawfik S, Mbapou E, Kaddouh AA, Alantar A. Implant failure rate and the prevalence of associated risk factors: a 6-year retrospective observational survey. JOURNAL OF ORAL MEDICINE AND ORAL SURGERY 2022. [DOI: 10.1051/mbcb/2021045] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
Introduction: The purpose of this monocentric retrospective observational investigation is to evaluate the implant failure rate observed in an oral surgery department and analyze the risk factors associated with them. Preventative measures will be suggested to reduce the incidence of implant failure. Material and method: All implants removed between 2014 and 2020 were analyzed. The main criterion assessed was the overall failure rate over 6 years of activity;the secondary criteria were the risk factors associated with implant failure. Results: 12 out of 376 implants placed between 2014 and 2019 in 11 patients (mean age: 55.5 ±11.5 years);sex ratio M/F=5/6) were removed, for an overall failure rate of 3.11%. The majority, 83% (10/12) of the lost implants, were in the maxilla, while only 17% (2/12) were placed in the mandible. The main risk factors identified were: a III−IV bone type density (75%, 9/12), pre-implant sinus lift surgery (42%, 5/12) smoking (8.3%, 1/12), surgical site infection (8.3%, 1/12) and rheumatoid arthritis (8.3%, 1/12). Conclusion: The failure rate observed in this oral surgery unit is consistent with the other international studies, confirming the compliance with good clinical practices of the healthcare team. Pre-implant bone surgery is the major risk factor to consider before implant surgery.
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Comparison of Two Risk Assessment Scores in Predicting Peri-Implantitis Occurrence during Implant Maintenance in Patients Treated for Periodontal Diseases: A Long-Term Retrospective Study. J Clin Med 2022; 11:jcm11061720. [PMID: 35330046 PMCID: PMC8948905 DOI: 10.3390/jcm11061720] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Revised: 03/12/2022] [Accepted: 03/17/2022] [Indexed: 12/11/2022] Open
Abstract
Background: There is a need for reliable risk assessment tools to better predict peri-implantitis occurrence. This study compared the long-term prognosis value of two models of risk assessment scoring in predicting peri-implantitis. Methods: Seventy-three patients with treated periodontitis representing 232 implants and attending long-term implant maintenance were evaluated. The Periodontal Risk Assessment (PRA) score, which combines only periodontal risk factors/indicators, and the Implant Risk Assessment (IRA) score, which combines both periodontal and implant risk factors/indicators, were calculated during implant maintenance. Peri-implantitis was defined by the presence of probing depth ≥6 mm with bleeding on probing/suppuration and bone level ≥3 mm. Analyses were performed at the patient level. Results: The mean implant follow-up was 6.5 years. Peri-implantitis incidence was 17.8%, and high-risk PRA and IRA percentages were 36.9% and 27.3%, respectively. High-risk PRA and IRA were significantly associated with peri-implantitis incidence, with hazard ratio (HR) = 4.8 and 3.65, respectively. Risk factors/indicators considered separately showed reduced associations with peri-implantitis. Conclusions: The PRA score combining periodontal parameters and IRA score combining both periodontal and implant parameters have comparable value in predicting peri-implantitis. These scores could allow practicians to intercept the risk of peri-implantitis and to manage follow-up modalities in patients with treated periodontitis.
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46
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Li X, Liang X, Wang Y, Wang D, Teng M, Xu H, Zhao B, Han L. Graphene-Based Nanomaterials for Dental Applications: Principles, Current Advances, and Future Outlook. Front Bioeng Biotechnol 2022; 10:804201. [PMID: 35360406 PMCID: PMC8961302 DOI: 10.3389/fbioe.2022.804201] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 02/08/2022] [Indexed: 12/13/2022] Open
Abstract
With the development of nanotechnology, nanomaterials have been used in dental fields over the past years. Among them, graphene and its derivatives have attracted great attentions, owing to their excellent physicochemical property, morphology, biocompatibility, multi-differentiation activity, and antimicrobial activity. In our review, we summarized the recent progress about their applications on the dentistry. The synthesis methods, structures, and properties of graphene-based materials are discussed. Then, the dental applications of graphene-based materials are emphatically collected and described. Finally, the challenges and outlooks of graphene-based nanomaterials on the dental applications are discussed in this paper, aiming at inspiring more excellent studies.
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Affiliation(s)
- Xiaojing Li
- Department of Oral Implantology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Xin Liang
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao, China
| | - Yanhui Wang
- Department of Oral Implantology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Dashan Wang
- Department of Oral Implantology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Minhua Teng
- Department of Oral Implantology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Hao Xu
- Department of Oral Implantology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Baodong Zhao
- Department of Oral Implantology, The Affiliated Hospital of Qingdao University, Qingdao, China
- *Correspondence: Baodong Zhao, ; Lei Han,
| | - Lei Han
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao, China
- *Correspondence: Baodong Zhao, ; Lei Han,
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Influence of Periodontitis, Implant, and Prosthesis Characteristics on the Peri-Implant Status: A Cross-Sectional Study. Int J Dent 2022; 2022:9984871. [PMID: 35178092 PMCID: PMC8843979 DOI: 10.1155/2022/9984871] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Accepted: 01/18/2022] [Indexed: 01/10/2023] Open
Abstract
Background The association between peri-implant diseases and the periodontal, implant, and prosthesis characteristics has been characterized in various ways. Purpose The aim of this study was to evaluate the link between the peri-implant and periodontal status and the influence of implant and prosthesis parameters during implant follow-up. Materials and Methods One hundred and seven patients with a total of 310 implants that had at least one year of function who were attending periodontal and implant maintenance at a university clinic setting were included in this cross-sectional study. The demographic, periodontal, peri-implant tissue, implant, and prosthesis parameters were recorded. A pocket depth > 4 mm with bleeding on probing defined periodontal/peri-implant soft tissue diseased sites. Analyses were performed at the patient and implant levels using univariable and multivariable mixed regression analysis. Results The mean implant follow-up was 7.22 years. At the patient level, the bleeding on probing and pocket depth measurements were more pronounced around the implant than around the teeth. The opposite was observed for plaque and the clinical attachment levels. At the implant level, multivariable analysis showed that the periodontal and corresponding peri-implant tissue parameters, such as diseased sites, were closely related. The implant location, bone level, and number were selectively associated with the implant bone level, while cemented retention and emergence restoration profile influenced the implant pocket depth. Conclusions The present study suggested that clinical peri-implant and periodontal soft tissue statuses were different, which could be a consequence of the initial implant and prosthesis healing process. However, during implant follow-up, the peri-implant parameters were predominantly associated with their corresponding periodontal parameters regardless of an association with the implant and prosthesis characteristics. This trial is registered with ClinicalTrials.gov ID: NCT03841656.
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Succession of oral bacterial colonizers on dental implant materials: An in vitro biofilm model. Dent Mater 2022; 38:384-396. [PMID: 34953626 PMCID: PMC8828709 DOI: 10.1016/j.dental.2021.12.021] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 09/13/2021] [Accepted: 12/15/2021] [Indexed: 02/03/2023]
Abstract
OBJECTIVES Oral bacterial adhesion on dental implant materials has been extensively studied using in vitro systems but has yielded results restricted to in vitro growth patterns due to limitations in species selection, sustained fastidious anaerobe growth, and mixed culture longevity. The aim of this study was to develop an oral bacterial biofilm model consisting of colonizers representative of the oral microbiome exhibiting temporal shifts characteristic of plaque development and maturation in vivo. METHODS Streptococcus oralis, Actinomyces naeslundii, Aggregatibacter actinomycetemcomitans, Veillonella parvula, Fusobacterium nucleatum, and Porphyromonas gingivalis were grown in monoculture prior to combination in mixed culture. Commercially pure titanium (cpTi) and yttria-stabilized zirconia (ZrO2) disks with polished, acid-etched, or sandblasted surfaces were prepared to evaluate oral bacterial adhesion. After 6 h, 1, 3, 7, 14 and 21 days, genomic DNA from planktonic and adherent bacteria was isolated. Quantitative polymerase chain reaction (qPCR) was used to enumerate the amount and proportion of each species. RESULTS Early-colonizing S. oralis and A. actinomycetemcomitans, dominated after 6 h prior to secondary colonization by F. nucleatum and V. parvula in planktonic (1 day) and sessile (3 days) form. A. naeslundii maintained relatively low but stable bacterial counts throughout testing. After 14 days, late-colonizing P. gingivalis became established in mixed culture and persisted, becoming the dominant species after 21 days. The composition of adherent bacteria across all substrates was statistically similar at all timepoints with notable exceptions including lower S. oralis bacterial counts on polished cpTi (3 days). SIGNIFICANCE Within the present model's limitations, multispecies oral bacterial attachment is similar on surface-treated cpTi and ZrO2.
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Nrf2 in the Field of Dentistry with Special Attention to NLRP3. Antioxidants (Basel) 2022; 11:antiox11010149. [PMID: 35052653 PMCID: PMC8772975 DOI: 10.3390/antiox11010149] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 01/06/2022] [Accepted: 01/09/2022] [Indexed: 02/06/2023] Open
Abstract
The aim of this review article was to summarize the functional implications of the nuclear factor E2-related factor or nuclear factor (erythroid-derived 2)-like 2 (Nrf2), with special attention to the NACHT (nucleotide-binding oligomerization), LRR (leucine-rich repeat), and PYD (pyrin domain) domains-containing protein 3 (NLRP3) inflammasome in the field of dentistry. NLRP3 plays a crucial role in the progression of inflammatory and adaptive immune responses throughout the body. It is already known that this inflammasome is a key regulator of several systemic diseases. The initiation and activation of NLRP3 starts with the oral microbiome and its association with the pathogenesis and progression of several oral diseases, including periodontitis, periapical periodontitis, and oral squamous cell carcinoma (OSCC). The possible role of the inflammasome in oral disease conditions may involve the aberrant regulation of various response mechanisms, not only in the mouth but in the whole body. Understanding the cellular and molecular biology of the NLRP3 inflammasome and its relationship to Nrf2 is necessary for the rationale when suggesting it as a potential therapeutic target for treatment and prevention of oral inflammatory and immunological disorders. In this review, we highlighted the current knowledge about NLRP3, its likely role in the pathogenesis of various inflammatory oral processes, and its crosstalk with Nrf2, which might offer future possibilities for disease prevention and targeted therapy in the field of dentistry and oral health.
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Kajikawa T, Mastellos DC, Hasturk H, Kotsakis GA, Yancopoulou D, Lambris JD, Hajishengallis G. C3-targeted host-modulation approaches to oral inflammatory conditions. Semin Immunol 2022; 59:101608. [PMID: 35691883 DOI: 10.1016/j.smim.2022.101608] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Periodontitis is an inflammatory disease caused by biofilm accumulation and dysbiosis in subgingival areas surrounding the teeth. If not properly treated, this oral disease may result in tooth loss and consequently poor esthetics, deteriorated masticatory function and compromised quality of life. Epidemiological and clinical intervention studies indicate that periodontitis can potentially aggravate systemic diseases, such as, cardiovascular disease, type 2 diabetes mellitus, rheumatoid arthritis, and Alzheimer disease. Therefore, improvements in the treatment of periodontal disease may benefit not only oral health but also systemic health. The complement system is an ancient host defense system that plays pivotal roles in immunosurveillance and tissue homeostasis. However, complement has unwanted consequences if not controlled appropriately or excessively activated. Complement overactivation has been observed in patients with periodontitis and in animal models of periodontitis and drives periodontal inflammation and tissue destruction. This review places emphasis on a promising periodontal host-modulation therapy targeting the complement system, namely the complement C3-targeting drug, AMY-101. AMY-101 has shown safety and efficacy in reducing gingival inflammation in a recent Phase 2a clinical study. We also discuss the potential of AMY-101 to treat peri-implant inflammatory conditions, where complement also seems to be involved and there is an urgent unmet need for effective treatment.
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Affiliation(s)
- Tetsuhiro Kajikawa
- University of Pennsylvania, Penn Dental Medicine, Department of Basic and Translational Sciences, Philadelphia, PA, USA; Tohoku University Graduate School of Dentistry, Department of Periodontology and Endodontology, Sendai, Miyagi, Japan
| | - Dimitrios C Mastellos
- National Center for Scientific Research 'Demokritos', Division of Biodiagnostic Sciences and Technologies, INRASTES, Athens, Greece
| | - Hatice Hasturk
- The Forsyth Institute, Center for Clinical and Translational Research, Cambridge, MA, USA
| | - Georgios A Kotsakis
- University of Texas Health Science Center at San Antonio, School of Dentistry, Department of Periodontics, San Antonio, TX, USA
| | | | - John D Lambris
- University of Pennsylvania, Perelman School of Medicine, Department of Pathology and Laboratory Medicine, Philadelphia, PA, USA
| | - George Hajishengallis
- University of Pennsylvania, Penn Dental Medicine, Department of Basic and Translational Sciences, Philadelphia, PA, USA.
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