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Renvert S, Giovannoli JL, Rinke S. The efficacy of reconstructive therapy in the surgical management of peri-implantitis: A 3-year follow-up of a randomized clinical trial. J Clin Periodontol 2024. [PMID: 39020503 DOI: 10.1111/jcpe.14049] [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: 02/26/2024] [Revised: 06/07/2024] [Accepted: 07/08/2024] [Indexed: 07/19/2024]
Abstract
AIM To assess whether guided bone regeneration (GBR) treatment of peri-implantitis-related bony defects could improve healing compared to open flap debridement (OFD) at 36 months. MATERIALS AND METHODS In a multi-centre, randomized clinical trial, 32 individuals received OFD (control group [CG]) and 34 GBR treatment (test group [TG]). Radiographic defect fill (RDF), probing pocket depth (PPD), bleeding on probing (BOP) suppuration (SUP), mucosal recession (MREC) and patient-reported outcomes (PROs) were evaluated at 36 months. RESULTS Fifty individuals attended a supportive peri-implant therapy program and completed the 36-month follow-up. GBR treatment resulted in an RDF of 2.13 ± 1.26 mm compared to 1.64 ± 1.54 mm following OFD (p = .18). No difference was found in PPD, BOP, SUP, REC or PROs between the groups. Successful treatment (no additional bone loss, PPD ≤ 5 mm, no BOP and no SUP) was achieved in 46.2% in TG and 20% in CG (p = .053). Treatment results obtained at 12 months were generally maintained up to 36 months. No significant changes were noticed between 12 and 36 months. CONCLUSIONS At 36 months, treatment results obtained at 1 year were sustained following both GBR and OFD in patients attending supportive peri-implant therapy. GBR resulted in more RDF and higher composite treatment success rate than OFD (ClinicalTrials.gov Identifier [NCT02375750]).
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Affiliation(s)
- Stefan Renvert
- Oral Health Sciences, Kristianstad University, Kristianstad, Sweden
- Department of Health, Blekinge Institute of Technology, Karlskrona, Sweden
- Division of Restorative Dentistry & Periodontology, Dublin Dental University Hospital, Trinity College Dublin, Dublin, Ireland
| | | | - Sven Rinke
- Private Practice, Hanau, Germany
- Department of Prosthodontics, University Medical Center, Goettingen, Germany
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2
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Sharaf MA, Wang S, Mashrah MA, Xu Y, Haider O, He F. Outcomes that may affect implant and prosthesis survival and complications in maxillary fixed prosthesis supported by four or six implants: A systematic review and meta-analysis. Heliyon 2024; 10:e24365. [PMID: 38317918 PMCID: PMC10839890 DOI: 10.1016/j.heliyon.2024.e24365] [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: 05/06/2023] [Revised: 01/04/2024] [Accepted: 01/08/2024] [Indexed: 02/07/2024] Open
Abstract
Objective To investigate whether the clinical and radiographical outcomes are affected when four or six implants support the maxillary fixed complete denture (FCD). Materials and methods This study was registered on PROSPERO (CRD42021226432) and followed the PRISMA guidelines. The focused PICO question was, "For an edentulous maxillary patient rehabilitated with an implant-supported fixed prosthesis, do the clinical and radiographical outcomes differ when four or six implants support the prosthesis ". A thorough search of the relevant studies was designed and performed electronically. The survival rate of implant and prosthesis, marginal bone loss, and complications (mechanical and biological) were the primary outcomes, whereas implant distribution and using the surgical guide, follow-up, and framework material were evaluated as secondary outcomes. Results Out of 1099 articles initially retrieved, 53 clearly stated the outcomes of interest and were included in this study. There were no significant differences in implant and prosthesis survival, technical/mechanical complications, and biological complications between the 4-implant group (4-IG) and the 6-implant group (6-IG). However, marginal bone loss (MBL) was significantly higher in the 4-IG (p < 0.01). The surgical guide and follow-up period did not significantly affect implant/prosthesis survival. Additionally, using the CAD/CAM milled framework and anteroposterior implant distribution were associated with significantly higher implant survival in the 6-IG (p < 0.01). Conclusion The findings of this study indicated that having a greater number of implants, as seen in the 6-implant group, can lead to a decrease in technical and biological complications and reduce marginal bone loss. It is worth noting that factors such as using CAD/CAM frameworks and the anteroposterior distribution of implants were recognized as important in improving implant survival rates when more implants are present.
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Affiliation(s)
- Mufeed Ahmed Sharaf
- Department of Prosthodontics, College of Dentistry, Ibb University, Ibb, Yemen
| | - Siyuan Wang
- Department of Prosthodontics, Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Hangzhou, Zhejiang, China
| | - Mubarak Ahmed Mashrah
- Department of Implantology, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou, Guangdong 510182, China
| | - Yangbo Xu
- Department of Prosthodontics, Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Hangzhou, Zhejiang, China
| | - Ohood Haider
- Department of Orthodontics, Medical Center of Stomatology, Second Xiangya Hospital, Central South University, Changsha, China
| | - Fuming He
- Department of Prosthodontics, Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Hangzhou, Zhejiang, China
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3
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Correia F, Gouveia S, Felino AC, Faria-Almeida R, Pozza DH. Maxillary Sinus Augmentation with Xenogenic Collagen-Retained Heterologous Cortico-Cancellous Bone: A 3-Year Follow-Up Randomized Controlled Trial. Dent J (Basel) 2024; 12:33. [PMID: 38392237 PMCID: PMC10887795 DOI: 10.3390/dj12020033] [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: 11/06/2023] [Revised: 01/25/2024] [Accepted: 01/31/2024] [Indexed: 02/24/2024] Open
Abstract
Sinus augmentation procedures have become a valuable solution for patients with posterior maxillary edentulism. The objective of this study was to explore the efficacy and safety of porcine xenograft with collagen supplementation as a potential alternative to autologous bone grafts in lateral sinus augmentation over a three-year follow-up period. Twelve patients, each with bilateral posterior maxillary edentulism, were enrolled and randomly allocated to receive either a porcine xenograft or an autologous graft. Comprehensive assessments, including clinical and radiographic evaluations, were conducted at specific intervals, including implant stability, marginal bone loss, prosthetic and biological complications, and patient preferences. The results demonstrated no significant differences between the two graft materials in terms of implant survival, marginal bone loss, and patient preferences after three years of follow-up. Only one implant was affected by peri-implantitis, and prosthesis-related complications were present in one patient possibly due to bruxism. In conclusion, these findings suggest that a porcine xenograft with collagen supplementation may be a viable alternative to an autograft in lateral sinus augmentation procedures. The high implant survival rate, minimal complications, and patient satisfaction indicate the potential clinical relevance of this graft material and should be further investigated to confirm these promising results.
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Affiliation(s)
- Francisco Correia
- Specialization in Periodontology and Implants, Faculty of Dental Medicine, University of Porto, 4200-393 Porto, Portugal
| | - Sónia Gouveia
- Department of Electronics, Telecommunications and Informatics (DETI), Institute of Electronics and Informatics Engineering of Aveiro (IEETA), University of Aveiro, 3810-193 Aveiro, Portugal
- Intelligent Systems Associate Laboratory (LASI), Portugal, 4800-058 Guimarães, Portugal
| | - António Campos Felino
- Department of Oral Surgery and Periodontology, Faculty of Dental Medicine, University of Porto, 4200-393 Porto, Portugal
| | - Ricardo Faria-Almeida
- Specialization in Periodontology and Implants, Faculty of Dental Medicine, University of Porto, 4200-393 Porto, Portugal
- Department of Oral Surgery and Periodontology, Faculty of Dental Medicine, University of Porto, 4200-393 Porto, Portugal
- Associated Laboratory for Green Chemistry (LAQV) of the Network of Chemistry and Technology (REQUIMTE), 4050-342 Porto, Portugal
| | - Daniel H Pozza
- Experimental Biology Unit, Department of Biomedicine, Faculty of Medicine of Porto, University of Porto, 4200-319 Porto, Portugal
- Institute for Research and Innovation in Health and IBMC (i3S), University of Porto, 4200-135 Porto, Portugal
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4
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Reis INRD, Fukuoka GL, Nagay BE, Pannuti CM, Spin-Neto R, da Silva EVF. Incidence of peri-implant disease associated with cement- and screw-retained implant-supported prostheses: A systematic review and meta-analysis. J Prosthet Dent 2023:S0022-3913(23)00563-2. [PMID: 37793953 DOI: 10.1016/j.prosdent.2023.08.030] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Revised: 08/23/2023] [Accepted: 08/24/2023] [Indexed: 10/06/2023]
Abstract
STATEMENT OF PROBLEM Implant-supported fixed dental prostheses can be cement- or screw-retained on the implant or abutment, with advantages and disadvantages for each method. Cemented prostheses have been associated with peri-implant disease because cement remnants act as a reservoir for bacteria and hinder biofilm control. However, contrasting evidence has been presented regarding this association based on studies with varying designs, and a systematic review and meta-analysis is required. PURPOSE The purpose of this systematic review and meta-analysis was to answer the focused question: In patients who received implant-supported prostheses, is the incidence of peri-implant diseases higher in cemented implant-supported prostheses than in screw-retained ones? MATERIAL AND METHODS The search was conducted using the National Library of Medicine (MEDLINE-PubMed), SCOPUS, EMBASE, and ISI Web of Science databases. Randomized clinical trials (RCTs) that assessed the incidence of peri-implant disease in cement- and screw-retained prostheses were included. Two authors independently screened the titles and abstracts, and analyzed the full texts, extracted data, and assessed the risk of bias. The findings were summarized using meta-analyses with random effects, and the level of certainty of the evidence was determined using the grading of recommendations, assessments, development, and evaluations (GRADE) approach. RESULTS The search yielded 4455 articles that met the inclusion criteria based on the title and/or abstract selection. A total of 6 RCTs were included for analysis. The meta-analysis revealed no significant difference between cement- and screw-retained prostheses for the risk of peri-implant mucositis (RR: 1.36, 95% CI: 0.42-4.38, P=.61). Similarly, no significant difference was observed between cement- and screw-retained prostheses for the incidence of peri-implantitis (RR: 1.00, 95% CI: 0.23-4.31, P=1.00). CONCLUSIONS Moderate certainty evidence suggests that cement- and screw-retained prostheses present a similar risk for peri-implant mucositis and peri-implantitis.
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Affiliation(s)
- Isabella Neme Ribeiro Dos Reis
- Postgraduate student, Department of Stomatology, Division of Periodontics, School of Dentistry, University of São Paulo (USP), São Paulo, Brazil.
| | - Gisele Lie Fukuoka
- Postgraduate student, Department of Prosthodontics, School of Dentistry, University of São Paulo (USP), São Paulo, Brazil
| | - Bruna Egumi Nagay
- Postgraduate student, Department of Prosthodontics and Periodontology, Piracicaba Dental School, University of Campinas (UNICAMP), Piracicaba, Brazil
| | - Claudio Mendes Pannuti
- Associate Professor, Department of Stomatology, Division of Periodontics, School of Dentistry, University of São Paulo (USP), São Paulo, Brazil
| | - Rubens Spin-Neto
- Associate Professor, Department of Dentistry and Oral Health, Section for Oral Radiology, School of Dentistry, Aarhus University, Aarhus, Denmark
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5
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De Souza AB, Papaspyridakos P, Weber HP, Vazouras K, Matarazzo F. Effect of dental implant therapy on the preservation of orofacial tissues: A systematic review and meta-analysis. Clin Oral Implants Res 2023; 34 Suppl 26:240-256. [PMID: 37750525 DOI: 10.1111/clr.14106] [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: 11/03/2022] [Revised: 05/22/2023] [Accepted: 05/22/2023] [Indexed: 09/27/2023]
Abstract
OBJECTIVE Fundamentally, this review addresses the following question: In partially or fully edentulous patients, do implant-supported dental prostheses preserve orofacial tissues when compared to conventional prostheses or no therapy? MATERIALS AND METHODS This study was conducted according to the 2020 PRISMA guidelines for systematic reviews. Electronic searches were conducted at PubMed and Embase databases followed by manual search. Clinical studies comparing the effect of implant-supported prostheses with conventional rehabilitation or no treatment on alveolar bone resorption, remaining teeth, and jaw muscle thickness were considered for inclusion. A qualitative synthesis was conducted with all included studies, and data from selected studies were pooled quantitatively to perform a meta-analysis. RESULTS A total of 14 studies were selected for analysis. Six studies reported on the effect of implant therapy on alveolar bone resorption (n = 453), six on the remaining teeth (n = 1014), while four studies evaluated masseter muscle thickness (n = 158). The results of the meta-analyses assessing alveolar bone resorption in the posterior mandible and in the anterior area of the maxilla, both fixed and random effects models, yielded no benefit of rehabilitation with implant-supported prostheses when compared to conventional prostheses. For masseter bone thickness, however, a significant benefit for implant-supported prosthesis was observed. CONCLUSIONS This systematic review and meta-analysis were unable to unequivocally answer the focus question. There are some indicators of the benefit of implant-supported prostheses over conventional prostheses or no therapy in preserving orofacial tissues, particularly for masseter muscle thickness. However, the evidence is still insufficient to confirm such perception.
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Affiliation(s)
- André B De Souza
- Department of Periodontology, Nova Southeastern University, Fort Lauderdale, Florida, USA
| | - Panos Papaspyridakos
- Department of Prosthodontics, Tufts University School of Dental Medicine, Boston, Massachusetts, USA
| | - Hans-Peter Weber
- Department of Prosthodontics, Tufts University School of Dental Medicine, Boston, Massachusetts, USA
| | - Konstantinos Vazouras
- Department of Prosthodontics, Tufts University School of Dental Medicine, Boston, Massachusetts, USA
| | - Flavia Matarazzo
- Department of Dentistry, State University of Maringá, Maringá, Brazil
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6
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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: 23] [Impact Index Per Article: 23.0] [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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7
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Yin Q, Liang J, Zhang Y, Chen C, Yu W, Wang X, Ji J. Critical review on quality of methodology and recommendations of clinical practice guidelines for peri-implantitis. BMC Oral Health 2023; 23:189. [PMID: 37004040 PMCID: PMC10064959 DOI: 10.1186/s12903-023-02904-4] [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: 08/01/2022] [Accepted: 03/21/2023] [Indexed: 04/03/2023] Open
Abstract
BACKGROUND Peri-implantitis is of high prevalence with the popularity of dental implants nowadays. Guidelines or consensus have been developed in succession, and we are little-known about their quality. The objective of this study is to evaluate the methodological quality of these guidelines and analyze the consistency of the clinical recommendations. METHODS We searched for guidelines or consensus on prevention, diagnosis, and/or treatment of peri-implantitis through PubMed, Web of Science, Cochrane Library until January 15th, 2022. In addition, we also searched the websites of the American Dental Association, International Team for Implantology, FDI World Dental Federation, and some guideline collection databases. Appraisal of Guidelines for Research & Evaluation II methodological quality instrument was used to assess the selected guidelines. Furthermore, we described the consistency of recommendations across the included guidelines. RESULTS In total, 15 guidelines were included. The mean values of the six domains score all below 50%. The mean scores of Applicability were lowest (mean:15%, range:4-29%). As to the overall quality, eleven (73%) were recommended after being modified, and four (27%) were not recommended. Among the clinical recommendations, 53 (67.09%) are for treatment of peri-implantitis, 13 (16.46%) for monitoring issue, 7 (8.86%) for diagnosis, 3 (3.80%) for the disease prevention. CONCLUSIONS Improving methodology quality and strengthening clinical evidence is essential in the future guideline development in a range of disciplines for improving the treatment effectiveness of people with peri-implantitis. And there is a lack of integrated guidelines in the case of the COVID-19 pandemic.
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Affiliation(s)
- Qiaofeng Yin
- Department of Stomatology, The Seventh Affiliated Hospital, Southern Medical University, 28 Desheng Liguan Road, Foshan, 528244, Guangdong, P.R. China
- Department of stomatology, The First Affiliated Hospital of Guangzhou Medical University, 151 Yanjiang Road, Guangzhou, 510120, Guangdong, P.R. China
| | - Jingyi Liang
- National center for respiratory medicine, state Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510120, Guangdong, P.R. China
| | - Yuhang Zhang
- Department of Stomatology, The Seventh Affiliated Hospital, Southern Medical University, 28 Desheng Liguan Road, Foshan, 528244, Guangdong, P.R. China
| | - Canxiong Chen
- National center for respiratory medicine, state Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510120, Guangdong, P.R. China
| | - Weiming Yu
- Department of Stomatology, The Seventh Affiliated Hospital, Southern Medical University, 28 Desheng Liguan Road, Foshan, 528244, Guangdong, P.R. China
| | - Xiaoyi Wang
- Department of stomatology, The First Affiliated Hospital of Guangzhou Medical University, 151 Yanjiang Road, Guangzhou, 510120, Guangdong, P.R. China.
| | - Jianxin Ji
- Department of Stomatology, The Seventh Affiliated Hospital, Southern Medical University, 28 Desheng Liguan Road, Foshan, 528244, Guangdong, P.R. China.
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Nikellis T, Lampraki E, Romeo D, Tsigarida A, Barmak AB, Malamou C, Ercoli C, Papaspyridakos P, Kotsailidi EA, Chochlidakis K. Survival rates, patient satisfaction, and prosthetic complications of implant fixed complete dental prostheses: a 12-month prospective study. J Prosthodont 2023; 32:214-220. [PMID: 35964246 DOI: 10.1111/jopr.13593] [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: 04/11/2022] [Accepted: 08/07/2022] [Indexed: 11/28/2022] Open
Abstract
PURPOSE To determine the survival rate, incidence of prosthetic complications, and patient satisfaction of implant fixed complete dental prostheses (IFCDPs) after a mean observation period of 1.4 years. MATERIALS AND METHODS Twenty-eight (28) eligible participants were recruited according to specific inclusion and exclusion criteria. The definitive metal-acrylic resin IFCDPs consisted of titanium bars veneered with acrylic resin and acrylic denture teeth. Prosthodontic complications, divided into major and minor, were monitored. Parameters such as gender, jaw location, bruxism, and occlusal scheme were evaluated. Moreover, a questionnaire was administered throughout the study to assess patient satisfaction. Poisson regression as well as repeated measures ANOVA were used for statistical analysis. RESULTS Fourteen (14) males and 14 females were enrolled and followed-up at 3, 6, and 12 months. All IFCDPs survived (100% survival rate). The most frequent minor complication was the loss of material used to close the screw access hole (20% out of total complications). The most frequent major complication was chipping of the acrylic denture teeth (77.14% out of total complications). Gender (p = 0.008) and bruxism (p = 0.030) were significant predictors for the total major complications (major wear and major chipping) while occlusal scheme was a significant predictor for major chipping events (p = 0.030). CONCLUSIONS While IFCDPs demonstrated high prosthetic survival rates, they also exhibited a high number of chipping events of the acrylic veneering material, especially in males, bruxers, and individuals with canine guidance occlusion. However, the occurrence of these prosthetic complications did not negatively affect patient satisfaction.
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Affiliation(s)
| | | | - Davide Romeo
- Eastman Institute for Oral Health, University of Rochester, Rochester, NY.,Advanced Oral Surgery Unit, Vita Salute University, San Raffaele Hospital, Milan, Italy
| | - Alexandra Tsigarida
- Department of Periodontology, Eastman Institute for Oral Health, University of Rochester, Rochester, NY
| | - Abdul Basir Barmak
- Eastman Institute for Oral Health, University of Rochester, Rochester, NY
| | | | - Carlo Ercoli
- Department of Periodontology, Eastman Institute for Oral Health, University of Rochester, Rochester, NY
| | - Panos Papaspyridakos
- Department of Periodontology, Eastman Institute for Oral Health, University of Rochester, Rochester, NY.,Department of Prosthodontics, Tufts School of Dental Medicine, Boston, MA
| | - Elli Anna Kotsailidi
- Department of Periodontology, Eastman Institute for Oral Health, University of Rochester, Rochester, NY
| | - Konstantinos Chochlidakis
- Department of Periodontology, Eastman Institute for Oral Health, University of Rochester, Rochester, NY
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9
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Brunello G, Rauch N, Becker K, Hakimi AR, Schwarz F, Becker J. Two-piece zirconia implants in the posterior mandible and maxilla: A cohort study with a follow-up period of 9 years. Clin Oral Implants Res 2022; 33:1233-1244. [PMID: 36184914 DOI: 10.1111/clr.14005] [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: 01/02/2022] [Revised: 08/12/2022] [Accepted: 09/06/2022] [Indexed: 12/13/2022]
Abstract
OBJECTIVES Long-term follow-up observations of zirconia implants are rare. This study aimed at evaluating the clinical performance of two-piece zirconia implants in the posterior jaws over 9 years. MATERIALS AND METHODS Sixty partially edentulous patients were treated with two-piece zirconia implants. In eight no primary stability could be achieved. Fifty-two patients received the final restoration (i.e., cemented fibreglass abutments and all-ceramic crowns). After 2 years, 2 implants failed and 4 dropouts were recorded. The remaining 46 patients with one target implant each were recalled at 9 years. Besides implant survival, clinical parameters at the implant level (plaque index-PI, bleeding on probing-BOP, probing depth-PD, mucosal recession-MR) were recorded and compared with previously collected data. Mechanical and technical complications were assessed. RESULTS Thirty patients responded. The mean observation period was of 111.1 ± 2.2 months. One implant was lost. Data recorded from the remaining 29 implants were analysed. PI values increased overtime. Mean BOP and PD remained unchanged during follow-up. No additional cases of peri-implantitis were recorded over the 10 diagnosed during the first 2 years of follow-up. No significant changes in mean MR values were detected over time, with 65% of the all included implants exhibiting no recession at 9 years and all the others, but one, a maximum MR of 1 mm. Three technical and 6 mechanical complications occurred in 7 patients between 2- and 9-years (6.9% and 20.7%, respectively, at patient level). CONCLUSION Within the limitations of the present study, a high survival rate was registered. Albeit frequent mechanical and technical complications, two-piece zirconia implants could represent a valid solution for the replacement of single teeth in the posterior jaws.
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Affiliation(s)
- Giulia Brunello
- Department of Oral Surgery, Universitätsklinikum Düsseldorf, Düsseldorf, Germany.,Department of Neurosciences, Dentistry Section, University of Padova, Padova, Italy
| | - Nicole Rauch
- Department of Oral Surgery, Universitätsklinikum Düsseldorf, Düsseldorf, Germany
| | - Kathrin Becker
- Department of Orthodontics, Universitätsklinikum Düsseldorf, Düsseldorf, Germany
| | - Ahmad R Hakimi
- Department of Oral Surgery, Universitätsklinikum Düsseldorf, Düsseldorf, Germany.,Private Practice, Berlin, Germany
| | - Frank Schwarz
- Department of Oral Surgery and Implantology, Goethe University Frankfurt, Frankfurt am Main, Germany
| | - Jürgen Becker
- Department of Oral Surgery, Universitätsklinikum Düsseldorf, Düsseldorf, Germany
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10
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Trimpou G, Schwarz F, Begić A, Hess P, Lermen J, Keim N, Obreja K, Parvini P. Clinical performance of immediately placed and restored progressive-type implants in the esthetic zone: a prospective observational study. Int J Implant Dent 2022; 8:57. [PMID: 36414824 PMCID: PMC9681970 DOI: 10.1186/s40729-022-00462-y] [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: 09/27/2022] [Accepted: 11/12/2022] [Indexed: 11/24/2022] Open
Abstract
PURPOSE To assess implant success and survival of immediately placed and restored progressive-type implants in the esthetic zone. MATERIAL AND METHODS A total of n = 21 patients (21 implants) had received an immediate placement of a tapered, two-part implant with a progressive thread design (PL) for a single tooth replacement in the anterior maxilla. An immediate 'non full-functional loaded' restoration was provided upon adequate primary stability on a final patient-specific abutment (one abutment-one time concept). The final restoration was provided at 12 weeks (baseline). Implant survival and success (e.g. bleeding on probing-BOP, probing pocket depth-PD, mucosal recession-MR, pink esthetic score-PES) as well as patient- reported outcomes (PROM`S) were recorded at 6 and 12 months. RESULTS An adequate primary implant stability (i.e. insertion torque > 35 Ncm) was obtained at all but one sites. At 12 months, implant survival (n = 20 patients) amounted to 100%. Non-significant changes to baseline were noted for mean BOP (2.5 ± 28.2%), PD (- 0.26 ± 0.73 mm), and MR (0.0 ± 0.4 mm) values. PES values amounted to 12.9 ± 1.14 and 13.2 ± 0.84 at 6 and 12 months. Technical and mechanical complications were not observed. Patients expressed an overall high satisfaction. CONCLUSIONS The presented immediacy protocol was associated with high survival and success rates on the short-term.
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Affiliation(s)
- G. Trimpou
- grid.7839.50000 0004 1936 9721Department of Oral Surgery and Implantology, Goethe University, Carolinum, Frankfurt, Germany
| | - F. Schwarz
- grid.7839.50000 0004 1936 9721Department of Oral Surgery and Implantology, Goethe University, Carolinum, Frankfurt, Germany
| | - A. Begić
- grid.7839.50000 0004 1936 9721Department of Oral Surgery and Implantology, Goethe University, Carolinum, Frankfurt, Germany
| | - P. Hess
- grid.7839.50000 0004 1936 9721Department of Oral Surgery and Implantology, Goethe University, Carolinum, Frankfurt, Germany
| | - J. Lermen
- grid.7839.50000 0004 1936 9721Department of Oral Surgery and Implantology, Goethe University, Carolinum, Frankfurt, Germany
| | - N. Keim
- grid.7839.50000 0004 1936 9721Department of Oral Surgery and Implantology, Goethe University, Carolinum, Frankfurt, Germany
| | - K. Obreja
- grid.7839.50000 0004 1936 9721Department of Oral Surgery and Implantology, Goethe University, Carolinum, Frankfurt, Germany
| | - P. Parvini
- grid.7839.50000 0004 1936 9721Department of Oral Surgery and Implantology, Goethe University, Carolinum, Frankfurt, Germany
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Matalon S, Heller H, Beitlitum I, Weinberg E, Emodi-Perlman A, Levartovsky S. Retrospective 1- to 8-Year Follow-Up Study of Complete Oral Rehabilitation Using Monolithic Zirconia Restorations with Increased Vertical Dimension of Occlusion in Patients with Bruxism. J Clin Med 2022; 11:5314. [PMID: 36142961 PMCID: PMC9505144 DOI: 10.3390/jcm11185314] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 08/31/2022] [Accepted: 09/05/2022] [Indexed: 11/17/2022] Open
Abstract
AIM The aim of this paper is to perform a retrospective assessment of the clinical performance of the complete oral rehabilitation of patients with bruxism treated with implants and teeth-supported veneered and non-veneered monolithic zirconia restorations with increased occlusal vertical dimension. METHODS In this retrospective follow-up study, 16 bruxer patients, mean age 59.5 ± 14.9 years, were treated with 152 veneered and 229 non-veneered monolithic zirconia and followed for a mean of 58.8 ± 18.8 months (range 1-8 years). The patients were examined clinically and radiographically, annually. Clinical data were extracted from the medical records. In the recall appointments, modified California Dental Association (CDA) criteria were used to evaluate the restorations. Implant and restoration survival and success rates were recorded and analyzed. RESULTS The cumulative survival rates of implants and restorations were 97.7% and 97.6%, respectively. Nine restorations were replaced: three due to horizontal tooth fractures, two because of implant failure and four had secondary caries. A total of 43 biologic and technical complications were recorded. In the veneered group, the predominant complication was minor veneer chipping (16.4%), which required polishing only (grade 1). In the non-veneered group, the main complication was open proximal contacts between the implant restorations and adjacent teeth (14.5%). CONCLUSIONS The survival rates of restorations and implants in patients with bruxism are excellent, even though veneered zirconia restoration exhibited a high rate of minor veneer chipping, which required polishing only. The biologic complication of fractured single-tooth abutment may occur.
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Affiliation(s)
- Shlomo Matalon
- Department of Oral Rehabilitation, The Maurice and Gabriela Goldschleger School of Dental Medicine, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Hadas Heller
- Department of Oral Rehabilitation, The Maurice and Gabriela Goldschleger School of Dental Medicine, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Ilan Beitlitum
- Department of Periodontology and Dental Implantology, Maurice and Gabriela Goldschleger School of Dental Medicine, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Evgeny Weinberg
- Department of Periodontology and Dental Implantology, Maurice and Gabriela Goldschleger School of Dental Medicine, Tel Aviv University, Tel Aviv 6997801, Israel
- Department of Oral Biology, The Maurice and Gabriela Goldschleger School of Dental Medicine, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Alona Emodi-Perlman
- Department of Oral Rehabilitation, The Maurice and Gabriela Goldschleger School of Dental Medicine, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Shifra Levartovsky
- Department of Oral Rehabilitation, The Maurice and Gabriela Goldschleger School of Dental Medicine, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel
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12
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Xu L, Qin X, Mozaffari MS, Yan D, Sun X, Cao Y. Hybrid system with stable structure of hard/soft tissue substitutes induces re-osseointegration in a rat model of biofilm-mediated peri-implantitis. J Biomed Mater Res B Appl Biomater 2022; 110:2452-2463. [PMID: 35620882 DOI: 10.1002/jbm.b.35102] [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: 12/03/2021] [Revised: 03/19/2022] [Accepted: 05/09/2022] [Indexed: 11/07/2022]
Abstract
Re-osseointegration of an infected/contaminated dental implant poses major clinical challenges. We tested the hypothesis that the application of an antibiotic-releasing construct, combined with hard/soft tissue replacement, increases the efficacy of reconstructive therapy. We initially fabricated semi-flexible hybrid constructs of β-TCP/PHBHHx, with tetracycline (TC) (TC amounts: 5%, 10%, and 15%). Thereafter, using in vitro assays, TC release profile, attachment to rat bone marrow-derived stem cells (rBMSCs) and their viability as well as anti-bacterial activity were determined. Thereafter, regenerative efficacies of the three hybrid constructs were assessed in a rat model of peri-implantitis induced by Aggregatibacter actinomycetemcomitans biofilm; control animals received β-TCP/Bio-Gide and TC injection. Eight weeks later, maxillae were obtained for radiological, histological, and histomorphometric analyses of peri-implant tissues. Sulcus bleeding index was chronologically recorded. Serum cytokines levels of IL-6 and IL-1β were also evaluated by enzyme-linked immunosorbent assay. Substantial amounts of tetracycline, from hybrid constructs, were released for 2 weeks. The medium containing the released tetracycline did not affect the adhesion or viability of rBMSCs; however, it inhibited the proliferation of A. actinomycetemcomitans. Osteogenesis and osseointegration were more marked for the 15% hybrid construct group than the other two groups. The height of attachment and infiltration of inflammatory cells within fibrous tissue was significantly reduced in the experimental groups than the control group. Our protocol resulted in re-osseointegration on a biofilm-contaminated implant. Thus, an antibiotic releasing inorganic/organic construct may offer a therapeutic option to suppress infection and promote guided tissue regeneration thereby serving as an integrated multi-layer substitute for both hard/soft tissues.
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Affiliation(s)
- Lianyi Xu
- Department of Stomatology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
- Huazhong University of Science and Technology, Wuhan, China
- School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xu Qin
- Department of Stomatology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
- Huazhong University of Science and Technology, Wuhan, China
- School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Mahmood S Mozaffari
- Department of Oral Biology, Dental College of Georgia, Augusta University, Augusta, Georgia, USA
| | - Di Yan
- Department of Oral and Maxillofacial Surgery, General Hospital, Ningxia Medical University, Yinchuan, China
| | - Xiaojuan Sun
- Department of Oral and Maxillofacial Surgery, General Hospital, Ningxia Medical University, Yinchuan, China
| | - Yingguang Cao
- Department of Stomatology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
- Huazhong University of Science and Technology, Wuhan, China
- School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Arısan V, Bedeloğlu E, Pişkin B. Prevalence and predictors of bruxism in two university clinic patient populations with dental implants: A cross-sectional analysis. Cranio 2022:1-12. [PMID: 35522040 DOI: 10.1080/08869634.2022.2071794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
OBJECTIVE To analyze the prevalence, predictors, and prosthetic complications of bruxing patients with dental implants in two tertiary clinics in Istanbul, Turkey. METHODS Patients with at least one dental implant and with a fixed prosthesis were examined for the evidence of probable bruxism. Factors that could be related to bruxism were analyzed in relation to patient-specific variables. Technical and mechanical complications were investigated. RESULTS A total of 1688 patients were analyzed. The overall rate of probable bruxism was 19.72%. Besides self-reported bruxism (p < 0.022), antidepressant use (p < 0.002), frequent headaches (p < 0.014), and observation of linea alba (p < 0.028) were the predictors for probable bruxism. Technical and mechanical complications were frequent in the probable bruxers (p < 0.05). CONCLUSION Overall prevalence of bruxism was 19.72%, and bruxism was associated with general and gender-specific predictors.
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Affiliation(s)
- Volkan Arısan
- Department of Oral Implantology, Faculty of Dentistry, Istanbul University, Capa-Beyazıt, Turkey
| | - Elçin Bedeloğlu
- Department of Oral & Maxillofacial Surgery, Faculty of Dentistry, Istanbul Aydın University, Florya, Turkey
| | - Bülent Pişkin
- Department of Prosthodontics, Faculty of Dentistry, Kapadokya University, Nevşehir, Turkey
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14
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Bone quality effect on short implants in the edentulous mandible: a finite element study. BMC Oral Health 2022; 22:139. [PMID: 35473637 PMCID: PMC9044581 DOI: 10.1186/s12903-022-02164-8] [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: 01/24/2022] [Accepted: 04/08/2022] [Indexed: 11/24/2022] Open
Abstract
Introduction The aim of this study was to verify whether the use of short implants could optimize stress distribution of bone surrounding implants in atrophic mandibles with different bone qualities. Methods A three-dimensional model of the atrophic mandible with three levels of bone quality was made using computer software. Short implants (6 mm) and standard implants (10 mm) were used in four designs: Design 1 "All-On four", Design 2 "All-On-four" with two short implants, Design 3 four vertical implants with two short implants, and Design 4 six short implants. The distal short implants were placed at the first molar position. All twelve models were imported into finite element analysis software, and 110 N oblique force was loaded on the left second premolar. Maximum principal stress values of peri-implant bone and the volumes of bone with over 3000 microstrians (overload)were analyzed. Result Stress values and volumes of overload bone increased in all four groups with the decline of bone quality. The highest stress values were found in the cortical bone surrounding the Design 1 inclined implant in two lower bone quality mandibles, and the lowest in Design 3. However, Design 1 had less overload bone tissue than all three designs with short implants. Conclusion Short implants placed posteriorly helped decrease stress values in peri-implant bone, while bone surrounding short implants had a high resorption risk in low bone quality mandible.
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Guida L, Bressan E, Cecoro G, Volpe AD, Del Fabbro M, Annunziata M. Short versus Longer Implants in Sites without the Need for Bone Augmentation: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. MATERIALS (BASEL, SWITZERLAND) 2022; 15:3138. [PMID: 35591482 PMCID: PMC9099984 DOI: 10.3390/ma15093138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 04/20/2022] [Accepted: 04/23/2022] [Indexed: 11/16/2022]
Abstract
OBJECTIVES The present systematic review and meta-analysis aims to analyse the clinical performance of short compared to longer implants inserted in sites without the need for bone augmentation. METHODS The protocol of the present PRISMA-driven meta-analysis was registered on PROSPERO (CRD42021264781). Electronic and manual searches were performed up to January 2022. All Randomized Controlled Trials (RCTs) comparing short (≤6 mm) to longer (≥8.5 mm) implants placed in non-atrophic and non-augmented sites were included. The quality of the included studies was assessed using the Cochrane risk of bias tool for randomized clinical trials (RoB 2) and the quality of evidence was determined with the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) approach. A meta-analysis was performed on implant survival rate, marginal bone level change (MBLc), and technical and biological complications at the available follow-up time points. The power of the meta-analytic findings was determined by trial sequential analysis (TSA). RESULTS From 1485 initial records, 13 articles were finally included. No significant difference was found in the survival rate between short and long implant at any follow-up (moderate quality of evidence). Significantly more bone loss for long implants at 1 and 5 years from implant placement and more technical complications with short implants at 10 years were found. No other significant inter-group differences in terms of MBLc and biological complications were detected. CONCLUSIONS Moderate evidence exists suggesting that short implants perform as well as longer ones in the rehabilitation of edentulous sites without the need for bone augmentation. Further long-term, well-designed RCTs, however, are still needed to provide specific evidence-based clinical recommendations for an extended use of short implants in non-atrophic sites.
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Affiliation(s)
- Luigi Guida
- Multidisciplinary Department of Medical-Surgical and Dental Specialties, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (L.G.); (A.D.V.); (M.A.)
| | - Eriberto Bressan
- Department of Neurosciences, School of Dentistry, University of Padova, Via Giustiniani 2, 35100 Padova, Italy;
| | - Gennaro Cecoro
- Multidisciplinary Department of Medical-Surgical and Dental Specialties, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (L.G.); (A.D.V.); (M.A.)
| | - Armando Davide Volpe
- Multidisciplinary Department of Medical-Surgical and Dental Specialties, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (L.G.); (A.D.V.); (M.A.)
| | - Massimo Del Fabbro
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, 20122 Milan, Italy;
- IRCCS Galeazzi Orthopedic Institute, 20161 Milan, Italy
| | - Marco Annunziata
- Multidisciplinary Department of Medical-Surgical and Dental Specialties, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (L.G.); (A.D.V.); (M.A.)
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16
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Maghsoudi P, Slot DE, van der Weijden FGA. Bone remodeling around dental implants after 1-1.5 years of functional loading: A retrospective analysis of two-stage implants. Clin Exp Dent Res 2022; 8:680-689. [PMID: 35427440 PMCID: PMC9209788 DOI: 10.1002/cre2.574] [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: 08/10/2021] [Revised: 02/18/2022] [Accepted: 03/19/2022] [Indexed: 11/06/2022] Open
Abstract
OBJECTIVES This study aims to retrospectively assess to what extent peri-implant bone level changes occur from exposing the implant to the oral environment at the second stage of surgery (SSS) to the baseline assessment and, additionally, after 1-1.5 years of functional loading. Further, this study aims to examine the role of the emergence angle in marginal bone changes. MATERIAL AND METHODS This retrospective study included 46 patients treated between 2012 and 2019. These patients received 64 bone-level dental implants. After implant placement, SSS, and baseline assessment, relevant clinical peri-implant conditions and radiographical data were collected. A radiographic examination of the marginal bone level was performed after SSS, the baseline assessment, and 1-1.5 years of follow-up. RESULTS The peri-implant periodontal probing depth increased significantly from 3.08 ± 0.7 mm at the baseline to 3.27 ± 0.81 mm at the 1-1.5-year follow-up. The mean marginal bone level at the implant level was 0.12 ± 0.23, 0.35 ± 0.43, and 0.47 ± 0.47 mm at the SSS, baseline, and the 1-1.5-year follow-up, respectively. Most changes occurred at the implant's distal site. A significant relationship was found between the emergence angle and the extent of change in the marginal bone level between the SSS and baseline (r = .430, p ≤ .001). CONCLUSIONS Most changes in the marginal bone level occurred between SSS and baseline assessments. For diagnostic purposes, it is advised to obtain a standardized radiograph after SSS to monitor peri-implant bone-level alterations.
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Affiliation(s)
- Poyan Maghsoudi
- Department for Periodontology, Academic Centre for Dentistry Amsterdam (ACTA), a joint venture between the Faculty of Dentistry of the University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Dagmar E Slot
- Department for Periodontology, Academic Centre for Dentistry Amsterdam (ACTA), a joint venture between the Faculty of Dentistry of the University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Fridus G A van der Weijden
- Department for Periodontology, Academic Centre for Dentistry Amsterdam (ACTA), a joint venture between the Faculty of Dentistry of the University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam, The Netherlands.,Clinic for Implantology Utrecht, Utrecht, The Netherlands
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17
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Heller H, Sreter D, Arieli A, Beitlitum I, Pilo R, Levartovsky S. Survival and Success Rates of Monolithic Zirconia Restorations Supported by Teeth and Implants in Bruxer versus Non-Bruxer Patients: A Retrospective Study. MATERIALS (BASEL, SWITZERLAND) 2022; 15:833. [PMID: 35160777 PMCID: PMC8836879 DOI: 10.3390/ma15030833] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 01/15/2022] [Accepted: 01/19/2022] [Indexed: 02/04/2023]
Abstract
The aim of this study was to assess retrospectively the survival and success rates of monolithic zirconia restorations supported by teeth and implants in bruxer versus non-bruxer patients. Methods: A total of 15 bruxer and 25 non-bruxer patients attended the recall appointment. The bruxer group (mean age of 61.2 ± 13.3 years and follow-up of 58.7 ± 16.8 months) were treated with 331 monolithic zirconia restorations, while the non-bruxer group, with a comparable mean age and follow-up time, were treated with 306 monolithic zirconia restorations. Clinical data were retrieved from the patients' files. At the recall appointment, all supporting teeth and implants were examined for biological and technical complications, and the restorations were evaluated using modified California Dental Association (CDA) criteria. Data were statistically analyzed using survival analysis methods. A significance level of p < 0.05 was used. A total of 31 versus 27 biologic and technical complications were recorded in the bruxer and non-bruxer groups, respectively. No significant differences were found between the two groups regarding overall complications and survival rate. Regarding the type of complication, a significantly higher rate of veneered porcelain chipping (p = 0.045) was observed in the bruxer group. With regard to biological complications, the only complications that exhibited a borderline, although not significant, difference were three fractured teeth exclusively in the bruxer group (p = 0.051), which were replaced with implant-supported restorations. Within the limitations of this study, we conclude that there were no significant differences in the overall survival and success rates of the monolithic zirconia restorations in bruxer versus non-bruxer patients, although veneered zirconia restorations and single tooth abutments exhibited a higher rate of complications in the bruxer group.
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Affiliation(s)
- Hadas Heller
- Department of Oral Rehabilitation, The Maurice and Gabriela Goldschleger School of Dental Medicine, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel; (H.H.); (D.S.); (A.A.)
| | - David Sreter
- Department of Oral Rehabilitation, The Maurice and Gabriela Goldschleger School of Dental Medicine, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel; (H.H.); (D.S.); (A.A.)
| | - Adi Arieli
- Department of Oral Rehabilitation, The Maurice and Gabriela Goldschleger School of Dental Medicine, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel; (H.H.); (D.S.); (A.A.)
| | - Ilan Beitlitum
- Department of Periodontology and Dental Implantology, The Maurice and Gabriela Goldschleger School of Dental Medicine, Tel Aviv University, Tel Aviv 6997801, Israel;
| | - Raphael Pilo
- Department of Oral Biology, The Maurice and Gabriela Goldschleger School of Dental Medicine, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel;
| | - Shifra Levartovsky
- Department of Oral Rehabilitation, The Maurice and Gabriela Goldschleger School of Dental Medicine, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel; (H.H.); (D.S.); (A.A.)
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18
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Seki K, Ikeda T, Urata K, Shiratsuchi H, Kamimoto A, Hagiwara Y. Correlations between implant success rate and personality types in the older people: A preliminary case control study. J Dent Sci 2021; 17:1266-1273. [PMID: 35784148 PMCID: PMC9236896 DOI: 10.1016/j.jds.2021.11.014] [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: 10/22/2021] [Revised: 11/19/2021] [Indexed: 11/10/2022] Open
Abstract
Background/ purpose Older patients inevitably have a higher need for implant treatment, it is unknown how mental changes or psychological aspects affect the outcome of implant treatment. This study evaluated the success rate of implants and the influence of personality traits in the older people. The goal was to provide evidence for predictable implant treatment while taking into account the unique psychological changes of elders. Materials and methods Participants were patients who were able to independently visit our hospital between March 2004 and May 2021. Inclusion criteria were patients aged 65 years or older at the time of implant placement with regular follow-up for at least 1 year. The implant success rate was calculated by counting peri-implantitis and implant loss as failures. Multivariate analysis was used to examine the effect of patient personality characteristics on the success rate. Results Fifty-six implants were included in 23 patients (12 men, 11 women), with a mean age of 68.5 years (65–76) and mean maintenance duration of 9 years and 2 months. The cumulative survival rate was 87% at the patient level (94.6% at the implant level). Statistically significant differences were found for adaptive traits (odds ratio [OR] = 0.04) and non-adaptive traits (OR = 6.38); however, no significant differences were found for the other independent variables. Conclusion The overall implant success rate was 69.6% at the patient level (82.1% at the implant level). The personality traits in older people had a significant effect on the implant failure rate.
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19
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Wang IC, Ou A, Johnston J, Giannobile WV, Yang B, Fenno JC, Wang HL. Association between Peri-implantitis and Cardiovascular Diseases: A Case-control Study. J Periodontol 2021; 93:633-643. [PMID: 34724214 DOI: 10.1002/jper.21-0418] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 10/14/2021] [Accepted: 10/19/2021] [Indexed: 11/07/2022]
Abstract
AIM To assess the association between peri-implantitis and cardiovascular diseases (CVD). METHODS 128 patients with dental implants were recruited to evaluate the prevalence of peri-implantitis in patients with or without CVD (Cases, n = 82, Controls, n = 46, respectively). Diagnosis of peri-implantitis followed the 2017 World Workshop guideline and the severity was defined as mild, moderate, and severe form when the radiographic bone loss (RBL) was < 2mm, 2-4mm, and > 4 mm. Multivariable logistic regression was performed to test the association between two diseases. RESULTS A trend of higher prevalence of peri-implantitis defined by detectable RBL beyond the physiologic bone remodeling was found in the "Cases" group (64.6%) when compared to the "Controls" (56.5%). A significant higher prevalence (48.8%) of moderate to severe peri-implantitis was identified in "Cases" compared to "Controls"(30.4%) with a significant crude association between moderate to severe peri-implantitis and CVD (odds ratio = 2.18, 95% CI = 1.02 to 4.67, p = 0.04). The CVD group had a trend of higher prevalence of deep pockets (≥ 7mm) and higher numbers of sites with bleeding upon probing (BOP) (> 66%) when compared to "Controls" (p> 0.05). However, after controlling for multiple confounders including age, hypertension, smoking, family history of heart attack, and periodontitis, the significant association was not found. CONCLUSIONS CVD group had significantly higher prevalence of moderate to severe peri-implantitis (RBL ≥ 2mm). The association between the two diseases did not exist after controlling multiple confounders for CVD. Future studies with a larger sample size controlling for the patient- and implant-related confounders are needed to better understand the link between peri-implantitis and cardiovascular disease. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- I-Ching Wang
- Department of Periodontics & Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, MI, USA.,Currently, Department of Periodontics, College of Dentistry, University of Iowa, Iowa City, Iowa, USA
| | - Alice Ou
- Department of Periodontics & Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, MI, USA
| | - Jeffery Johnston
- Department of Periodontics & Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, MI, USA.,Vice President, Chief Science Officer, and Director of the Research and Data Institute at Delta Dental of Michigan
| | - William V Giannobile
- Department of Periodontics & Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, MI, USA.,Currently, Department of Oral Medicine, Infection, and Immunity, Harvard School of Dental Medicine, Boston, MA, USA
| | - Bo Yang
- Department of Cardiac Surgery, University of Michigan, Ann Arbor, MI, USA
| | - J Christopher Fenno
- Department of Biologic and Materials Sciences & Prosthodontics, University of Michigan School of Dentistry, Ann Arbor, MI, USA
| | - Hom-Lay Wang
- Department of Periodontics & Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, MI, USA
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20
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De Ry SP, Roccuzzo A, Lang NP, Heitz-Mayfield LJ, Ramseier CA, Sculean A, Salvi GE. Evaluation of the implant disease risk assessment (IDRA) tool: A retrospective study in patients with treated periodontitis and implant-supported fixed dental prostheses (FDPs). Clin Oral Implants Res 2021; 32:1299-1307. [PMID: 34388276 PMCID: PMC9290928 DOI: 10.1111/clr.13828] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 05/26/2021] [Accepted: 07/08/2021] [Indexed: 01/06/2023]
Abstract
Aim To evaluate the Implant Disease Risk Assessment (IDRA) tool for the prediction of peri‐implantitis in treated periodontitis patients with implant‐supported fixed dental prostheses (FDPs) after at least 5 years of function. Material and methods From the patient pool of implant patients enrolled in a regular supportive periodontal therapy programme (SPT) for at least 5 years, 239 patients were screened. Eighty patients met the inclusion criteria and underwent evaluation through the criteria of the IDRA tool. Areas under the curve (AUCs) for receiver operating characteristic (ROC) curves including 95% confidence intervals were estimated. Results Seventy‐nine patients (43 males and 36 females, 8 smokers), aged on average 59.0 years (range: 40–79 years) at baseline (i.e. FDP delivery) were analysed. The calculated IDRA‐risk was in 34 patients (42.5%) a moderate risk, while 45 patients (56.3%) were considered at high IDRA‐risk. One patient categorized at low IDRA‐risk was excluded from the analysis. The AUC was 0.613 (95% CI: 0.464–0.762) if the IDRA‐risk was associated with prevalence of peri‐implantitis at the most recent follow‐up. Peri‐implantitis was diagnosed in 4 patients (12%) at moderate and in 12 patients (27%) at high IDRA‐risk, respectively. The calculated odds ratio for developing peri‐implantitis in patients with high IDRA‐risk compared with patients with moderate IDRA‐risk was 2.727 with no statistically significant difference between the two groups (95% CI: 0.793–9.376). Conclusion Within the limitations of the present retrospective study, the IDRA algorithm might represent a promising tool to assess patients at moderate or high risk of developing peri‐implantitis.
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Affiliation(s)
- Siro P De Ry
- Department of Periodontology, School of Dental Medicine, University of Bern, Bern, Switzerland
| | - Andrea Roccuzzo
- Department of Periodontology, School of Dental Medicine, University of Bern, Bern, Switzerland.,Department of Oral and Maxillofacial Surgery, Copenhagen University Hospital (Rigshospitalet), Copenhagen, Denmark
| | - Niklaus P Lang
- Department of Periodontology, School of Dental Medicine, University of Bern, Bern, Switzerland
| | - Lisa J Heitz-Mayfield
- International Research Collaborative, Faculty of Science, The University of Western Australia, Perth, West Perth, Australia
| | - Christoph A Ramseier
- 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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21
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Enkling N, Nauli J, Kraus D, Wittneben JG, Schimmel M, Abou-Ayash S. Short strategic implants for mandibular removable partial dentures: One-year results from a pilot randomized crossover abutment type study. Clin Oral Implants Res 2021; 32:1176-1189. [PMID: 34352145 PMCID: PMC9292160 DOI: 10.1111/clr.13815] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 07/05/2021] [Accepted: 07/07/2021] [Indexed: 12/30/2022]
Abstract
Objectives The present pilot study analyzed two abutment types (a retentive ball and a non‐retentive dome) in implant‐assisted removable partial dentures (IARPDs) on 6 mm short implants with respect to clinical, radiological, and patient‐reported outcomes (PROs), during the first year. Materials and Methods Two implants were placed bilaterally in mandibular molar sites, converting existing free‐end removable partial dentures (RPDs) to IARPDs. Twelve subjects were randomized to initially receive either the dome (Group A, n = 6) or the ball abutment (Group B, n = 6). After eight weeks, the abutments were exchanged. After another 8 weeks, the participants were given the choice of one of the abutments. Mean values and standard deviations (SD) were calculated, and random‐effect linear regression analyses were applied to analyze marginal bone level alterations and PROs (α < .05). Results Twelve participants were included in the study; however, one dropout occurred. Patient ratings increased significantly in both study groups. The majority of the participants (82%) ultimately chose the ball abutment. The implant survival rate was 100%, and the success rate was 90.9% twelve months after implant placement (mean peri‐implant bone‐loss: −1.2; SD: 0.6 mm) without a statistically significant difference between the study groups, in terms of clinical‐ and radiological outcomes. Conclusion Placing 6 mm short implants at mandibular molar sites of RPD wearers seems to be a viable treatment option, based on this investigation with a short‐term follow‐up. Although only minor differences between the two abutments were observed, patients seem to prefer the ball over the dome abutment.
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Affiliation(s)
- Norbert Enkling
- Department of Reconstructive Dentistry and Gerodontology, University of Bern, Bern, Switzerland.,Department of Prosthodontics, Preclinical Education and Dental Materials Science, University of Bonn, Bern, Switzerland
| | - Joël Nauli
- Department of Reconstructive Dentistry and Gerodontology, University of Bern, Bern, Switzerland
| | - Dominik Kraus
- Department of Prosthodontics, Preclinical Education and Dental Materials Science, University of Bonn, Bern, Switzerland
| | | | - Martin Schimmel
- Department of Reconstructive Dentistry and Gerodontology, University of Bern, Bern, Switzerland.,Division of Gerodontology and Removable Prosthodontics, University of Geneva, Geneva, Switzerland
| | - Samir Abou-Ayash
- Department of Reconstructive Dentistry and Gerodontology, University of Bern, Bern, Switzerland
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22
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Fonseca M, Haro-Adanez M, Pieralli S, Bresavscek M, Yilmaz B, Att W. Short vs. regular length implants to rehabilitate partially edentulous mandible: a 2-year prospective split-mouth clinical study. J ORAL IMPLANTOL 2021; 48:277-284. [PMID: 34287628 DOI: 10.1563/aaid-joi-d-20-00315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Many studies have evaluated short implants (SIs); however, it is still unclear whether SIs are reliable and can be used to simplify surgical and prosthetic protocols with successful clinical outcomes. The aim of this non-random, conveniently sampled, prospective, split-mouth study was to compare the clinical outcomes when short (SI) (≤8 mm) or regular-length implants (RIs) (>10 mm) were used in the posterior mandible two years after the delivery of splinted reconstructions. Each participant (N=10) received four implants in the posterior mandible; two SIs were placed on one side, and two RIs were placed contra-laterally. Implants were restored with splinted, screw-retained, porcelain-fused-to-metal reconstructions. Survival and success rates, peri-implant marginal bone level (MBL), and soft tissue parameters were evaluated. No participant drop-outs were recorded. Both types of implants showed 100% success and survival rates. From prosthetic delivery to 24 months post-loading, bone remineralization of +0.40 mm for the SIs and +0.36 mm for the RIs was observed without statistically significant differences in MBL between the implant types (p=0.993). SIs showed significantly higher (p=0.001) clinical attachment level (CAL) and probing depth (PD) values. Chipping occurred in one situation in the RI group resulting in a 97.5% prosthetic success rate, which was 100% for the SIs. After 2 years, SIs with splinted reconstructions showed comparable clinical outcomes to those of RIs. Further long-term controlled clinical studies with balanced experimental designs evaluating random and larger populations are required to corroborate these findings.
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Affiliation(s)
- Manrique Fonseca
- Universitat Bern Senior Lecturer Department of Reconstructive Dentistry and Gerodontology Freiburgstrasse 7 SWITZERLAND Bern Bern 3010 +41 79 640 22 14 University of Bern
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23
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Renvert S, Giovannoli JL, Roos-Jansåker AM, Rinke S. Surgical treatment of peri-implantitis with or without a deproteinized bovine bone mineral and a native bilayer collagen membrane: A randomized clinical trial. J Clin Periodontol 2021; 48:1312-1321. [PMID: 34169551 DOI: 10.1111/jcpe.13513] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2020] [Revised: 05/31/2021] [Accepted: 06/04/2021] [Indexed: 12/11/2022]
Abstract
AIM To assess whether the use of deproteinized bovine bone mineral (DBBM) and native bilayer collagen membrane (NBCM) improved healing of peri-implantitis-related bone defects at 12 months. MATERIALS AND METHODS In a multi-centre, randomized clinical trial, 32 individuals received surgical debridement (control group [CG]), and 34 received adjunct use of DBBM and NBCM (test group [TG]). Radiographic defect fill (RDF), probing pocket depth (PPD), bleeding on probing (BOP), suppuration (SUP), recession (REC), cytokines (IL-1β, IL-1RA, IL-6, IL-8, IL-12, IP10, PDGF-BB, TNF-α, VEGF), and patient-reported outcomes (PROs) were evaluated at 3, 6, 9, and 12 months. RESULTS RDF at the deepest site amounted 2.7 ± 1.3 mm in TG and 1.4 ± 1.2 mm in CG (p <.0001). PPD was reduced by 1.9 mm in TG and 2.3 mm in CG (p = .5783). There were no significant differences between groups regarding reductions of BOP, SUP, REC, cytokines levels, or oral health impact profile (OHIP)-14 scores at 12 months. Successful treatment (RDF ≥ 1.0 mm, PPD ≤5 mm, ≤1/4 site with BOP grade 1, no SUP) was identified in 32% in TG and 21% in CG. CONCLUSIONS DBBM and NBCM resulted in significantly more RDF than debridement alone. No difference was found in any clinical parameters or PROs between the groups. ClinicalTrials.gov Identifier: NCT02375750.
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Affiliation(s)
- Stefan Renvert
- Oral Health Sciences, Kristianstad University, Kristianstad, Sweden.,School of Dental Science, Trinity College, Dublin, Ireland.,Blekinge Institute of Technology, Karlskrona, Sweden.,Faculty of Dentistry, The University of Hong Kong, Hong Kong
| | - Jean-Louis Giovannoli
- Private Practice, Paris, France.,Institute of Health, University of Corsica, Corte, France
| | | | - Sven Rinke
- Private Practice, Hanau, Germany.,Department of Prosthodontics, University Medical Center, Goettingen, Germany
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24
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Windael S, Collaert B, De Buyser S, De Bruyn H, Vervaeke S. Early peri-implant bone loss as a predictor for peri-implantitis: A 10-year prospective cohort study. Clin Implant Dent Relat Res 2021; 23:298-308. [PMID: 34076941 DOI: 10.1111/cid.13000] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 03/06/2021] [Accepted: 04/01/2021] [Indexed: 12/26/2022]
Abstract
PURPOSE To evaluate the effect of early bone loss (EBL), on long-term bone stability and future peri-implantitis development. MATERIALS AND METHODS Patients referred for implant placement between 2005 and 2009 were consecutively treated and followed for 10 years. After 10 years, patients were invited for a scientific diagnostic visit to evaluate implant survival and bone loss. Bone level changes were compared with baseline. Non-parametric testing was performed in cross-tabs (Pearson Chi-square and Fishers's exact test). Kaplan-Meier-estimated survival curves were plotted for different thresholds for EBL at different timepoints. Generalized linear mixed models with binomial distribution and logit link for peri-implantitis were fitted. An adjusted logistic mixed model was made to evaluate peri-implantitis, in relation with smoking status, history of periodontitis, and EBL > 0.5 mm. RESULTS Four hundred and seven patients (mean age of 64.86 years [range 28-92, SD 10.11]), with 1482 implants, responded to the 10-year recall invitation. After an average follow-up time of 10.66 years (range 10-14, SD 0.87), implant survival was 94.74%. Mean crestal bone loss after 10 years was 0.81 mm (SD 1.58, range 0.00-17.00). One hundred and seventy five implants in 76 patients had peri-implantitis (11.8% on implant level, 18.7% on patient level). EBL of 0.5, 1, and 2 mm were significant predictors for peri-implantitis and implant loss after 10 years. Implants with EBL ≥0.5 mm during the first year of function showed a 5.43 times higher odds for future peri-implantitis development. Probability in developing peri-implantitis was 52.06% when smoking, Periodontal history and EBL of >0.5 mm was combined. CONCLUSION The present study suggests that EBL is a predictor for long-term peri-implant pathology, with a significant higher risk for peri-implantitis when early bone loss exceeds the thresholds of 0.5 and 1 mm, especially when additional risk factors such as smoking or susceptibility for periodontal disease prior to implant treatment are present. Clinical trial registration number B670201524796.
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Affiliation(s)
- Simon Windael
- Faculty of Medicine and Health Sciences, School of Dental Medicine, Department of Periodontology and Oral Implantology, Ghent University, Ghent, Belgium
| | - Bruno Collaert
- Center for Periodontology and Implantology Leuven, Heverlee, Belgium
| | - Stefanie De Buyser
- Biostatistics Unit, Faculty of Medicine and Health Sciences, Ghent University, Ghent, Belgium
| | - Hugo De Bruyn
- Faculty of Medicine and Health Sciences, School of Dental Medicine, Department of Periodontology and Oral Implantology, Ghent University, Ghent, Belgium.,Radbound University Medical Center, Implantology and Periodontology, Nijmegen, The Netherlands.,Department of Prosthodontics, University of Malmö, Malmö, Sweden
| | - Stijn Vervaeke
- Faculty of Medicine and Health Sciences, School of Dental Medicine, Department of Periodontology and Oral Implantology, Ghent University, Ghent, Belgium.,Private Practice Periodontology and Oral Implantology, Geluwe, Belgium
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25
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Eger M, Liron T, Hiram-Bab S, Awida Z, Giladi E, Dangoor D, Fridkin M, Kohavi D, Gozes I, Gabet Y. Therapeutic Potential of Vasoactive Intestinal Peptide and its Derivative Stearyl-Norleucine-VIP in Inflammation-Induced Osteolysis. Front Pharmacol 2021; 12:638128. [PMID: 34025407 PMCID: PMC8131842 DOI: 10.3389/fphar.2021.638128] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Accepted: 04/08/2021] [Indexed: 11/16/2022] Open
Abstract
The common use of dental and orthopedic implants calls for special attention to the immune response leading to peri-prosthetic bone loss and implant failure. In addition to the well-established microbial etiology for oral implant failure, wear debris and in particular titanium (Ti) particles (TiP) in the implant vicinity are an important trigger of inflammation and activation of bone resorption around oral and orthopedic implants, presenting an unmet medical need. Here, we employed bacterial-derived lipopolysaccharides (LPS) to model infection and TiP to model aseptic inflammation and osteolysis. We assessed inflammation in vitro by measuring IL1β, IL6 and TNFα mRNA expression in primary macrophages, osteoclastogenesis in RANKL-induced bone marrow derived pre-osteoclasts and osteolysis in vivo in a mouse calvarial model. We also assessed the trans-epithelial penetrability and safety of the tested compound in rats. Our results show that a lipophilic super-active derivative of vasoactive intestinal peptide (VIP), namely stearyl-norleucine-VIP (SNV) presented superior anti-inflammatory and anti-osteoclastogenic effects compared to VIP in vitro. In the bacterial infection model (LPS), SNV significantly reduced IL1β expression, while VIP increased IL6 expression. In the aseptic models of osteolysis, SNV showed greater suppression of in vitro osteoclastogenesis than VIP, and significantly inhibited inflammation-induced osteolysis in vivo. We also observed that expression levels of the VIP receptor VPAC-2, but not that of VPAC-1, dramatically decreased during osteoclast differentiation. Importantly, SNV previously shown to have an increased stability compared to VIP, showed here significant trans-epithelial penetration and a clean toxicological profile, presenting a novel drug candidate that could be applied topically to counter both aseptic and infection-related bone destruction.
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Affiliation(s)
- Michal Eger
- Department of Anatomy and Anthropology, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.,Department of Prosthodontics, Goldschleger School of Dental Medicine, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Tamar Liron
- Department of Anatomy and Anthropology, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Sahar Hiram-Bab
- Department of Anatomy and Anthropology, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Zamzam Awida
- Department of Anatomy and Anthropology, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.,Department of Cell and Developmental Biology, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Eliezer Giladi
- Department of Human Molecular Genetics and Biochemistry, Elton Laboratory of Molecular Neuroendocrinology, Sackler Faculty of Medicine, Adams Super Center for Brain Studies, Tel Aviv University, Tel Aviv, Israel
| | - David Dangoor
- Department of Human Molecular Genetics and Biochemistry, Elton Laboratory of Molecular Neuroendocrinology, Sackler Faculty of Medicine, Adams Super Center for Brain Studies, Tel Aviv University, Tel Aviv, Israel
| | - Mati Fridkin
- Department of Organic Chemistry, The Weizmann Institute of Science, Rehovot, Israel
| | - David Kohavi
- Department of Prosthodontics, Goldschleger School of Dental Medicine, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Illana Gozes
- Department of Human Molecular Genetics and Biochemistry, Elton Laboratory of Molecular Neuroendocrinology, Sackler Faculty of Medicine, Adams Super Center for Brain Studies, Tel Aviv University, Tel Aviv, Israel.,Sagol School of Neuroscience, Tel Aviv University, Tel Aviv, Israel
| | - Yankel Gabet
- Department of Anatomy and Anthropology, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.,Sagol School of Neuroscience, Tel Aviv University, Tel Aviv, Israel
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26
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Kaur M, Abou-Arraj RV, Lin CP, Geisinger ML, Geurs NC. A 5-year retrospective analysis of biologic and prosthetic complications associated with single-tooth endosseous dental implants: Practical applications. Clin Adv Periodontics 2021; 11:225-232. [PMID: 33829671 DOI: 10.1002/cap.10155] [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: 02/27/2020] [Accepted: 02/28/2021] [Indexed: 11/11/2022]
Abstract
FOCUSED CLINICAL QUESTION What are the key considerations of the incidence and timing for single-tooth implant complications, including early failure, biological complications, and prosthetic complications? SUMMARY Single-tooth dental implants have been shown to have a high overall survival rate, but implant complications affect patient satisfaction and may lead to costly and/or time-consuming repair and revision. Assessing the incidence and types of biologic and prosthetic complications and the timing of such complications is helpful so that the underlying causes can be addressed during the treatment planning process. Furthermore, identification of patient demographics, patient-, implant-, and site-specific factors associated with such complications may allow for more comprehensive risk assessment during treatment planning. CONCLUSIONS Overall, dental implants have a high survival rate. Identification of the incidence of both biologic and prosthetic complications and minimizing their impact in patients with dental implants is critical to overall implant success. Utilization of careful treatment planning and dental implant fixtures, surgical protocols, and prosthetic designs that reduce complication rates can improve patient acceptance and outcomes. Further research is necessary to fully assess complication rates and risk factors.
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Affiliation(s)
- Maninder Kaur
- Department of Periodontology, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Ramzi V Abou-Arraj
- Department of Periodontology, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Chee Paul Lin
- Center for Clinical and Translational Science, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Maria L Geisinger
- Department of Periodontology, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Nicolaas C Geurs
- Department of Periodontology, University of Alabama at Birmingham, Birmingham, Alabama, USA
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27
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Oda Y, Mori G, Honma S, Ito T, Iijima T, Yajima Y. Marginal bone loss and the risk indicators of fixed screw-retained implant-supported prostheses and fixed telescopic-retained implant-supported prostheses in full arch: A retrospective case-control study. Clin Oral Implants Res 2021; 32:818-827. [PMID: 33754378 DOI: 10.1111/clr.13750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Revised: 03/07/2021] [Accepted: 03/17/2021] [Indexed: 11/26/2022]
Abstract
OBJECTIVES This study compared full-arch screw-retained implant-supported fixed dental prostheses (FSI-FDPs) and full-arch telescopic-retained implant-supported fixed dental prostheses with a professional retrieval system (FTI-FDPs) on marginal bone loss (MBL), the risk indicators and peri-implantitis rate after 7-13 years. MATERIAL AND METHODS Sixty five edentulous patients were treated with 86 prostheses and 592 implants. The FSI-FDP group comprised 26 patients (32 prostheses, 202 implants), and the FTI-FDP group comprised 39 patients (54 prostheses, 390 implants). MBL and the risk indicators of MBL ≥1 mm were assessed. Peri-implantitis rates at 13 years were also calculated. RESULTS Full-arch screw-retained implant-supported fixed dental prostheses and FTI-FDP implants exhibited comparable mean MBLs of 0.60 ± 0.51 and 0.41 ± 1.03 mm, respectively. MBL ≥1 mm was noted for 25% of FSI-FDP implants and 6.9% of FTI-FDP implants. Superstructure-abutment connection (screw retention:FSI-FDPs >telescopic retention:FTI-FDPs) and implant-abutment connection (External butt joint, Internal butt joint >Morse taper joint) were associated with MBL ≥1 mm. Peri-implantitis rates at the implant level were 3.99% (95%CI = 3.93-20.5) in FSI-FDP group and 3.85% (95%CI = 3.85-34.3) in FTI-FDP group with no significance. CONCLUSIONS It was concluded that FSI-FDP and FTI-FDP implants exhibited comparable MBL; however, the risk of MBL ≥1 mm in FTI-FDPs was lower than in FSI-FDPs. Besides, implant-abutment connection was the risk indicator of MBL ≥1 mm. In peri-implantitis rate, FSI-FDPs and FTI-FDPs behave similarly.
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Affiliation(s)
- Yukari Oda
- Department of Oral and Maxillofacial Implantology, Tokyo Dental College, Tokyo, Japan
| | - Gentaro Mori
- Department of Oral and Maxillofacial Implantology, Tokyo Dental College, Tokyo, Japan
| | - Shinya Honma
- Department of Oral and Maxillofacial Implantology, Tokyo Dental College, Tokyo, Japan
| | - Taichi Ito
- Department of Oral and Maxillofacial Implantology, Tokyo Dental College, Tokyo, Japan
| | - Toshikazu Iijima
- Department of Oral and Maxillofacial Implantology, Tokyo Dental College, Tokyo, Japan
| | - Yasutomo Yajima
- Department of Oral and Maxillofacial Implantology, Tokyo Dental College, Tokyo, Japan
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28
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Cionca N, Hashim D, Mombelli A. Two-piece zirconia implants supporting all-ceramic crowns: Six-year results of a prospective cohort study. Clin Oral Implants Res 2021; 32:695-701. [PMID: 33638169 DOI: 10.1111/clr.13734] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 01/25/2021] [Accepted: 02/08/2021] [Indexed: 01/15/2023]
Abstract
OBJECTIVES The aim of this prospective clinical trial was to present the 6-year outcomes of a two-piece yttria-stabilized tetragonal zirconia polycrystals (Y-TZP) implant system in partially edentulous patients. MATERIAL AND METHODS Forty-nine two-piece zirconia implants were placed in 32 patients systemically healthy. Zirconia abutments were connected with adhesive resin cement. Single-unit full-ceramic crowns were cemented. The cases have been followed for an average of 82.2 ± 5.86 months after loading (range 74.93-92.26 months). RESULTS 24 participants with 39 implants were available for examination 6 years after loading. The cumulative implant survival rate was 83%. On an implant level, the cumulative mechanical complication rate was 17.5%, the cumulative technical complication rate was 13%, and the biological complication rate was 8%. After 6 years, subjects reported good satisfaction with the treatment: 3.7 ± 4.4 on a visual analog scale (VAS) from 0 to 100 mm. CONCLUSIONS Within the limitations of this prospective case series study, two-piece zirconia implants could offer an alternative for treatment of single edentulous spaces in the posterior region. The major complication on the long term of this pioneering system was the abutment fracture; however, due to the versatility of a two-piece implant system, replacement of the broken parts was possible.
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Affiliation(s)
- Norbert Cionca
- Division of Regenerative Dental Medicine and Periodontology, University Clinics of Dental Medicine, University of Geneva, Geneva, Switzerland
| | - Dena Hashim
- Division of Regenerative Dental Medicine and Periodontology, University Clinics of Dental Medicine, University of Geneva, Geneva, Switzerland
| | - Andrea Mombelli
- Division of Regenerative Dental Medicine and Periodontology, University Clinics of Dental Medicine, University of Geneva, Geneva, Switzerland
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29
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Blasi A, Henarejos-Domingo V, Madeira S, Blasi G, Roig M. Stone verification device for verifying the definitive cast of an implant-supported restoration: A dental technique. J Prosthet Dent 2021; 128:858-863. [PMID: 33640084 DOI: 10.1016/j.prosdent.2021.01.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Revised: 01/16/2021] [Accepted: 01/19/2021] [Indexed: 11/28/2022]
Abstract
To reduce the risk of implant and prosthetic complications, implant-supported prostheses should be passive. A verification device is used to verify the abutment analog position on the definitive cast, and hence its accuracy. This article describes the fabrication of a Type IV stone implant verification device for verifying the accuracy of the definitive cast.
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Affiliation(s)
- Alvaro Blasi
- Private practice, Barcelona, Spain; Adjunct Assistant Professor, Department of Restorative Sciences, Dental College of Georgia at Augusta University, Augusta, Ga
| | - Víctor Henarejos-Domingo
- Private practice, Barcelona, Spain; Assistant Professor, Department of Restorative Dentistry, School of Dentistry, International University of Catalunya, Barcelona, Spain.
| | - Sara Madeira
- Private practice, Barcelona, Spain; Assistant Professor, Department of Integrated Dentistry Department, School of Dentistry, International University of Catalunya, Barcelona, Spain
| | - Gonzalo Blasi
- Private practice, Barcelona, Spain; Assistant Professor, Department of Periodontology, School of Dentistry, International University of Catalunya, Barcelona, Spain; Adjunct Assistant Professor, Division of periodontology, University of Maryland School of Dentistry, Baltimore, Md
| | - Miguel Roig
- Chairman and Professor, Department of Restorative Dentistry, School of Dentistry, International University of Catalunya, Barcelona, Spain
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30
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Levartovsky S, Arieli A, Fridenberg N, Matalon S, Pilo R. Survival and success rates of soft-milled cobalt-chromium-ceramic full-arch screw-retained implant-supported prostheses: a 2- to 7-year follow-up retrospective study. Clin Oral Investig 2021; 25:5341-5350. [PMID: 33616806 DOI: 10.1007/s00784-021-03842-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Accepted: 02/16/2021] [Indexed: 12/15/2022]
Abstract
OBJECTIVES To retrospectively assess implant and prosthesis survival and success and patient satisfaction in edentulous patients treated with soft-milled cobalt-chromium-ceramic full-arch screw-retained implant-supported prostheses (SCCSIPs) over a mean clinical follow-up period of 4 years. MATERIALS AND METHODS Twenty-one edentulous patients, aged 47-80 years, underwent restoration with 27 SCCSIPs (210 implants, 349 crown units). After definitive prosthesis insertion, patients participated in a yearly dental check-up recall program, including clinical and radiographic examinations. All supporting implants were examined for biological and technical complications, and the restorations were evaluated using modified California Dental Association (CDA) criteria. Life table and Kaplan-Meier survival analyses were performed. Patient satisfaction regarding chewing, esthetics, comfort, and phonetics was evaluated using a visual analog scale (VAS). RESULTS After a mean of 4 years, two implants (3.8%) failed, with no effect on prosthesis survival. The cumulative survival rate was 98.6% and 100% for implants and prostheses, respectively. The most frequent minor biological complication was soft tissue recession (11%). Porcelain fracture was the only major technical complication (0.6% of crown units), while the only minor technical complication was porcelain chipping (4% of crown units), which required only polishing. Overall, 66.7% of the prostheses were free of technical complications. Patient satisfaction was high to very high. Less satisfaction was noted with comfort due to soft tissue recession and food impaction. CONCLUSIONS Within the limitations of this study, we conclude that the survival and success rates of SCCSIPs in edentulous patients were excellent. CLINICAL RELEVANCE SCCSIPs should be considered when planning metal-ceramic implant-supported restorations.
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Affiliation(s)
- S Levartovsky
- Department of Oral Rehabilitation, the Maurice and Gabriela Goldschleger School of Dental Medicine, Tel Aviv University, 6997801, Tel Aviv, Israel.
| | - A Arieli
- Department of Oral Rehabilitation, the Maurice and Gabriela Goldschleger School of Dental Medicine, Tel Aviv University, 6997801, Tel Aviv, Israel
| | - N Fridenberg
- Department of Oral Rehabilitation, the Maurice and Gabriela Goldschleger School of Dental Medicine, Tel Aviv University, 6997801, Tel Aviv, Israel
| | - S Matalon
- Department of Oral Rehabilitation, the Maurice and Gabriela Goldschleger School of Dental Medicine, Tel Aviv University, 6997801, Tel Aviv, Israel
| | - R Pilo
- Department of Oral Biology, the Maurice and Gabriela Goldschleger School of Dental Medicine, Tel Aviv University, 6997801, Tel Aviv, Israel
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31
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Implant survival and biologic complications of implant fixed complete dental prostheses: An up to 5-year retrospective study. J Prosthet Dent 2021; 128:375-381. [PMID: 33618859 DOI: 10.1016/j.prosdent.2020.12.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Revised: 12/09/2020] [Accepted: 12/09/2020] [Indexed: 12/12/2022]
Abstract
STATEMENT OF PROBLEM Limited information is available on the association between prosthesis-associated risk factors and biologic complications for patients with implant fixed complete dental prostheses (IFCDPs). PURPOSE The purpose of this retrospective study was to assess the implant survival and biologic complications of IFCDPs up to 5 years of follow-up. MATERIAL AND METHODS Patients who had received IFCDPs between August 1, 2009 and August 1, 2014 were identified through an electronic health record review. Those who consented to participate in the study attended a single-visit study appointment. Clinical and radiographic examinations, intraoral photographs, and peri-implant hard and soft tissues parameters were assessed. Only prostheses which could be removed during the study visit were included. Associations between biologic complications and prosthetic factors, such as time with prosthesis in place, prosthesis material, number of implants, cantilever length, and type of prosthesis retention, were assessed. RESULTS A total of 37 participants (mean ±standard deviation age 62.35 ±10.39 years) with 43 IFCDPs were included. None of the implants had failed, leading to an implant survival of 100% at 5.1 ±2.21 years. Ten of the prostheses were metal-ceramic (Group MC) and 33 were metal-acrylic resin (Group MR). Minor complications were more frequent than major ones. Considering minor complications, peri-implant mucositis was found in 53% of the implant sites, more often in the maxilla (P=.001). The most common major biologic complication was peri-implantitis, which affected 4.0% of the implants, more often in the mandible (P=.025). Peri-implant soft tissue hypertrophy was present 2.79 times more often (95% CI: 1.35 - 5.76, P<.003) around implants supporting metal-acrylic resin prostheses than metal-ceramic ones, with the former type also showing significantly more plaque accumulation (P<.003). CONCLUSIONS Biologic complications such as soft tissue hypertrophy and plaque accumulation were more often associated with metal-acrylic resin prostheses. Peri-implant mucositis occurred more often under maxillary IFCDPs, while peri-implantitis appeared more common around mandibular implants.
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Able FB, Campanha NH, Younes IA, Sartori IADM. Evaluation of the intaglio surface shape of implant-supported complete-arch maxillary prostheses and its association with biological complications: An analytical cross-sectional study. J Prosthet Dent 2021; 128:174-180. [PMID: 33563467 DOI: 10.1016/j.prosdent.2020.12.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 12/17/2020] [Accepted: 12/18/2020] [Indexed: 11/17/2022]
Abstract
STATEMENT OF PROBLEM Whether the shape of the intaglio surface of fixed implant-supported maxillary prostheses is associated with the occurrence of biological is unclear. PURPOSE The purpose of this cross-sectional study was to evaluate the shape (convex or concave) of the intaglio surface of complete-arch implant-supported maxillary fixed prostheses and to assess the association with biofilm accumulation, hyperemia, bone loss, and patient satisfaction. MATERIAL AND METHODS Study participants consisted of 56 individuals with fixed complete implant-supported maxillary prosthesis attending follow-up appointments. The 56 prostheses supported by 388 implants had been in place for an average of 5.5 years (range 1-14 years). The intaglio surface was divided into areas corresponding to the cantilever regions and between implants (n=442) and was assessed for shape (concave or convex) and biofilm index (0 to 3). Tissue hyperemia (redness) was assessed as absent or present. Bone loss (mm) was measured from digital periapical radiographs by 2 calibrated evaluators (kappa=94.9%). Study participant satisfaction was investigated by using a visual analog scale. Association assessments (α=.05) between the shape of each area and all these parameters were performed with the Friedman, linear regression, and logistic regression tests. RESULTS Of the analyzed areas, 58 (13.1%) were concave, and 384 (86.9%) were convex. Biofilm was absent on 3.5% of the concave and 5.5% of the convex areas. Biofilm was detectable with a probe on 12% of the concave and 22.4% of the convex areas and clinically visible in 58.6% of the concave and 57.8% of the convex areas. Abundant biofilm was seen in 25.9% of the concave and 14.3% of the convex areas and was associated with hyperemia (P=.003). A statistically significant association was found between the shape and biofilm accumulation (P=.009). Hyperemia was present in 199 (45%) areas. The association analysis between the shape of the area and the presence of hyperemia was not significant (P>.05). The mean bone loss was 0.71 mm (0.91 mm). Implants placed near concave areas underwent greater bone loss (P=.001). Study participants reported a high level of satisfaction with the esthetics, mastication, speech, and smile provided by the prosthesis, with satisfaction scores ranging between 8.46 and 8.77. However, in relation to ease of cleaning, only 19.6% were fully satisfied. CONCLUSIONS The shape of the intaglio surface of prostheses influenced the occurrence of biofilm accumulation and bone loss, and concave areas showed greater biofilm accumulation and bone resorption. High rates of satisfaction with treatment were identified.
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Affiliation(s)
- Francine Baldin Able
- Postgraduate student, PhD Program in Dentistry, General Dentistry Area, State University of Ponta Grossa (UEPG), Ponta Grossa, Brazil
| | - Nara Hellen Campanha
- Professor, MSD and PhD Program in Dentistry, General Dentistry Area, State University of Ponta Grossa (UEPG), Ponta Grossa, Brazil.
| | - Ibrahim Abazar Younes
- Postgraduate student, Masters Degree Program in Dentistry, Implantology Area, Faculdade ILAPEO, Curitiba, Brazil
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Antimicrobial Potential of Strontium Hydroxide on Bacteria Associated with Peri-Implantitis. Antibiotics (Basel) 2021; 10:antibiotics10020150. [PMID: 33546189 PMCID: PMC7913193 DOI: 10.3390/antibiotics10020150] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 01/27/2021] [Accepted: 02/01/2021] [Indexed: 11/17/2022] Open
Abstract
Background: Peri-implantitis due to infection of dental implants is a common complication that may cause significant patient morbidity. In this study, we investigated the antimicrobial potential of Sr(OH)2 against different bacteria associated with peri-implantitis. Methods: The antimicrobial potential of five concentrations of Sr(OH)2 (100, 10, 1, 0.1, and 0.01 mM) was assessed with agar diffusion test, minimal inhibitory concentration (MIC), and biofilm viability assays against six bacteria commonly associated with biomaterial infections: Streptococcus mitis, Staphylococcus epidermidis, Aggregatibacter actinomycetemcomitans, Porphyromonas gingivalis, Escherichia coli, and Fusobacterium nucleatum. Results: Zones of inhibition were only observed for, 0.01, 0.1, and 1 mM of Sr(OH)2 tested against P. gingivalis, in the agar diffusion test. Growth inhibition in planktonic cultures was achieved at 10 mM for all species tested (p < 0.001). In biofilm viability assay, 10 and 100 mM Sr(OH)2 showed potent bactericidal affect against S. mitis, S. epidermidis, A. actinomycetemcomitans, E. coli, and P. gingivalis. Conclusions: The findings of this study indicate that Sr(OH)2 has antimicrobial properties against bacteria associated with peri-implantitis.
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Romanos GE, Fischer GA, Delgado-Ruiz R. Titanium Wear of Dental Implants from Placement, under Loading and Maintenance Protocols. Int J Mol Sci 2021; 22:1067. [PMID: 33494539 PMCID: PMC7865642 DOI: 10.3390/ijms22031067] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 01/05/2021] [Accepted: 01/19/2021] [Indexed: 12/13/2022] Open
Abstract
The objective of this review was to analyze the process of wear of implants leading to the shedding of titanium particles into the peri-implant hard and soft tissues. Titanium is considered highly biocompatible with low corrosion and toxicity, but recent studies indicate that this understanding may be misleading as the properties of the material change drastically when titanium nanoparticles (NPs) are shed from implant surfaces. These NPs are immunogenic and are associated with a macrophage-mediated inflammatory response by the host. The literature discussed in this review indicates that titanium NPs may be shed from implant surfaces at the time of implant placement, under loading conditions, and during implant maintenance procedures. We also discuss the significance of the micro-gap at the implant-abutment interface and the effect of size of the titanium particles on their toxicology. These findings are significant as the titanium particles can have adverse effects on local soft and hard tissues surrounding implants, implant health and prognosis, and even the health of systemic tissues and organs.
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Affiliation(s)
- Georgios E. Romanos
- Department of Periodontology, Laboratory for Periodontal-, Implant-, Phototherapy (LA-PIP), School of Dental Medicine, Stony Brook University, 106 Rockland Hall, Stony Brook, NY 11794-8700, USA;
- Department of Oral Surgery and Implant Dentistry, School of Dentistry, Johann Wolfgang Goethe University, 60590 Frankfurt, Germany
| | - Gerard A. Fischer
- Department of Periodontology, Laboratory for Periodontal-, Implant-, Phototherapy (LA-PIP), School of Dental Medicine, Stony Brook University, 106 Rockland Hall, Stony Brook, NY 11794-8700, USA;
| | - Rafael Delgado-Ruiz
- Department of Prosthodontics and Digital Technology, School of Dental Medicine, Stony Brook University, Stony Brook, NY 11794-8700, USA;
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Wang ICI, Barootchi S, Tavelli L, Wang HL. The peri-implant phenotype and implant esthetic complications. Contemporary overview. J ESTHET RESTOR DENT 2021; 33:212-223. [PMID: 33459483 DOI: 10.1111/jerd.12709] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 01/04/2021] [Indexed: 12/25/2022]
Abstract
OBJECTIVE To provide a contemporary and comprehensive overview of the hard and soft tissue biological structures surrounding an osseointegrated dental implant (peri-implant referred to as the peri-implant phenotype), in the context of peri-implant esthetic complications. OVERVIEW The individual components of the peri-implant phenotype (keratinized mucosa width, mucosal thickness, supracrestal tissue height, and the peri-implant buccal bone) have been linked to different aspects of implant esthetics, as well as health-related aspects. At the time of implant therapy, respecting the biology of the peri-implant hard and soft tissues, and anticipating their remodeling patterns can alleviate future esthetic complications. CONCLUSIONS While the current literature may not allow for a point-by-point evidence based-recommendation for the required amount of each peri-implant structure, bearing in mind the proposed values for the components of the peri-implant phenotype, at the time of and prior to implant therapy can lead to more predictable treatment outcomes, and the avoidance of esthetic complications. CLINICAL SIGNIFICANCE Knowledge of hard and soft tissue components surrounding and osseointegrated dental implant, and their underlying biological remodeling process is crucial for carrying out a successful therapy and alleviating possible future esthetic challenges.
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Affiliation(s)
- I-Ching Izzie Wang
- Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, Michigan, USA
| | - Shayan Barootchi
- Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, Michigan, USA
| | - Lorenzo Tavelli
- Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, Michigan, USA
| | - Hom-Lay Wang
- Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, Michigan, USA
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Kalsi AS, Moreno F, Petridis H. Biomarkers associated with periodontitis and peri-implantitis: a systematic review. J Periodontal Implant Sci 2021; 51:3-17. [PMID: 33634611 PMCID: PMC7920841 DOI: 10.5051/jpis.1902840142] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2019] [Revised: 06/15/2020] [Accepted: 08/17/2020] [Indexed: 01/18/2023] Open
Abstract
Purpose The pathology of peri-implantitis is still not fully understood and there have been recent challenges to the consensus on its aetiology and pathology, especially in comparison with periodontitis. The assessment of biomarkers allows a comparison of the pathology of these diseases. The aim of this systematic review was to answer the research question: “Is there a difference in the biomarkers associated with peri-implantitis compared with periodontitis in adult humans?” Methods Electronic databases were searched and screened, and a manual search was also undertaken. The inclusion criteria were adults with peri-implantitis who had been compared to adults with periodontitis with the outcome of biomarkers assessed via biopsies or crevicular fluid samples in primary or secondary care settings, as recorded in case-control, case series and retrospective, prospective and cross-sectional observational studies. Two reviewers independently screened titles and abstracts and assessed full text articles for eligibility and inclusion. Both reviewers independently extracted data and assessed risk of bias. Differences in biomarker levels were the primary outcome and a narrative review was undertaken due to the heterogeneity of studies. Results In total, 2,374 articles were identified in the search, of which 111 full-text articles were assessed for eligibility and 13 were included in the qualitative synthesis. Five of the 13 included studies were deemed to be at high risk of bias, with the others having moderate risk. All studies were cross-sectional and performed at university hospitals. Nine of the 13 included studies found significant differences in the levels of biomarkers or their ratios between peri-implantitis and periodontitis. Four of the studies found no significant differences. Conclusions Within the limitations of the included studies, it appears that there may be a difference in biomarker levels and ratios between peri-implantitis and periodontitis, suggesting that these disease processes are somewhat distinct.
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Affiliation(s)
- Amardip Singh Kalsi
- Department of Restorative Dentistry, Cambridge University Hospitals, Cambridge, UK.
| | - Federico Moreno
- Unit of Periodontics, UCL Eastman Dental Institute, London, UK
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Abd-Ul-Salam H. Peri-implantitis. INNOVATIVE PERSPECTIVES IN ORAL AND MAXILLOFACIAL SURGERY 2021:47-59. [DOI: 10.1007/978-3-030-75750-2_8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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Jia P, Yang J, Yue Z, Liu J, Liu Q, Liu Z, Tang L, Hou J. Comparison of peri-implant submucosal microbiota in arches with zirconia or titanium implant-supported fixed complete dental prostheses: a study protocol for a randomized controlled trial. Trials 2020; 21:979. [PMID: 33246481 PMCID: PMC7694361 DOI: 10.1186/s13063-020-04853-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Accepted: 11/01/2020] [Indexed: 12/15/2022] Open
Abstract
Background The success rate of implant-supported prostheses for edentulous patients is relatively high. However, the incidence of biological complications, especially peri-implant mucositis and peri-implantitis, increases yearly after the placement of prostheses. The accumulation of pathogenic bacteria adjacent to a prosthesis is the main cause of biological complications. Titanium, one of the classical materials for implant-supported prostheses, performs well in terms of biocompatibility and ease of maintenance, but is still susceptible to biofilm formation. Zirconia, which has emerged as an appealing substitute, not only has comparable properties, but presents different surface properties that influence the adherence of oral bacteria. However, evidence of a direct effect on oral flora is limited. Therefore, the aim of the present study was to assess the effects of material properties on biofilm formation and composition. Methods The proposed study is designed as a 5-year randomized controlled trial. We plan to enroll 44 edentulous (mandible) patients seeking full-arch, fixed, implant-supported prostheses. The participants will be randomly allocated to one of two groups: group 1, in which the participants will receive zirconia frameworks with ceramic veneering, or group 2, in which the participants will receive titanium frameworks with acrylic resin veneering. Ten follow-up examinations will be completed by the end of this 5-year trial. Mucosal conditions around the implants will be recorded every 6 months after restoration. Peri-implant submucosal plaque will be collected at each reexamination, and bacteria flora analysis will be performed with 16S rRNA gene sequencing technology in order to compare differences in microbial diversity between groups. One week before each visit, periodontal maintenance will be arranged. Each participant will receive an X-ray examination every 12 months as a key index to evaluate the marginal bone level around the implants. Discussion The current study aims to explore the oral microbiology of patients following dental restoration with zirconia ceramic frameworks or titanium frameworks. The features of the microbiota and the mucosal condition around the two different materials will be evaluated and compared to determine whether zirconia is an appropriate material for fixed implant-supported prostheses for edentulous patients. Trial registration International Clinical Trials Registry Platform (ICTRP) ChiCTR2000029470. Registered on 2 February 2020. http://www.chictr.org.cn/searchproj.aspx?
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Affiliation(s)
- Pingyi Jia
- Department of the Fourth Clinical Division, Peking University School and Hospital of Stomatology; National Engineering Laboratory for Digital and Material Technology of Stomatology; Research Center of Engineering and Technology for Digital Dentistry of Ministry of Health; Beijing Key Laboratory of Digital Stomatology, Beijing, People's Republic of China
| | - Jingwen Yang
- Department of Prosthodontics, Peking University School and Hospital of Stomatology; National Engineering Laboratory for Digital and Material Technology of Stomatology; Research Center of Engineering and Technology for Digital Dentistry of Ministry of Health; Beijing Key Laboratory of Digital Stomatology, Beijing, People's Republic of China
| | - Zhaoguo Yue
- Department of Periodontology, Peking University School and Hospital of Stomatology; National Engineering Laboratory for Digital and Material Technology of Stomatology; Research Center of Engineering and Technology for Digital Dentistry of Ministry of Health; Beijing Key Laboratory of Digital Stomatology, No. 22, Zhongguancun Avenue South, Haidian District, Beijing, 100081, People's Republic of China
| | - Jianzhang Liu
- Department of Prosthodontics, Peking University School and Hospital of Stomatology; National Engineering Laboratory for Digital and Material Technology of Stomatology; Research Center of Engineering and Technology for Digital Dentistry of Ministry of Health; Beijing Key Laboratory of Digital Stomatology, Beijing, People's Republic of China
| | - Qi Liu
- BYBO Dental Hospital, Qinian Street, Dongcheng District, Beijing, 100062, People's Republic of China
| | - Zhongning Liu
- Department of Prosthodontics, Peking University School and Hospital of Stomatology; National Engineering Laboratory for Digital and Material Technology of Stomatology; Research Center of Engineering and Technology for Digital Dentistry of Ministry of Health; Beijing Key Laboratory of Digital Stomatology, Beijing, People's Republic of China
| | - Lin Tang
- Department of Prosthodontics, Peking University School and Hospital of Stomatology; National Engineering Laboratory for Digital and Material Technology of Stomatology; Research Center of Engineering and Technology for Digital Dentistry of Ministry of Health; Beijing Key Laboratory of Digital Stomatology, Beijing, People's Republic of China
| | - Jianxia Hou
- Department of Periodontology, Peking University School and Hospital of Stomatology; National Engineering Laboratory for Digital and Material Technology of Stomatology; Research Center of Engineering and Technology for Digital Dentistry of Ministry of Health; Beijing Key Laboratory of Digital Stomatology, No. 22, Zhongguancun Avenue South, Haidian District, Beijing, 100081, People's Republic of China.
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Seki K, Hasuike A, Iwano Y, Hagiwara Y. Influence of antihypertensive medications on the clinical parameters of anodized dental implants: a retrospective cohort study. Int J Implant Dent 2020; 6:32. [PMID: 32696295 PMCID: PMC7374550 DOI: 10.1186/s40729-020-00231-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2020] [Accepted: 05/26/2020] [Indexed: 11/23/2022] Open
Abstract
Background Hypertension is a chronic medical condition in which blood pressure in the arteries is elevated. Given the large proportion of dental implant patients using antihypertensive medications, it is crucial to evaluate the effects of these drugs on the clinical parameters of osseointegrated implants. The aim of the present retrospective cohort study was to evaluate the influence of antihypertensive medications on clinical peri-implant tissue parameters. Methods Thirty-five patients received a total of 77 anodized dental implants. Based on the history of the use of antihypertensive medications, the patients were divided into two groups: the group taking antihypertensive medications (AH group) and the group of healthy patients (H group). Implants were followed up clinically and radiologically, with a focus on the peri-implant soft tissue parameters probing pocket depth, bleeding on probing, modified plaque index, and marginal peri-implant bone level stability. Results None of the implants were lost, and no technical failures occurred. The mean follow-up duration was 7 years and 1 month. A significant difference was observed in the probing pocket depth 3.8 ± 1.3 mm in the AH group and 3.0 ± 0.7 mm in the H group. In the AH and H groups, 26.5% (9/34) and 4.7% (2/43) of the patients were diagnosed with peri-implantitis at the implant level, respectively. Conclusions Our findings suggest some correlations between antihypertensive medication use and clinical parameters in anodized peri-implant tissue.
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Affiliation(s)
- Keisuke Seki
- Implant Dentistry, Nihon University School of Dentistry Dental Hospital, Tokyo, Japan. .,Department of Comprehensive Dentistry and Clinical Education, Nihon University School of Dentistry, Tokyo, Japan.
| | - Akira Hasuike
- Implant Dentistry, Nihon University School of Dentistry Dental Hospital, Tokyo, Japan.,Department of Periodontology, Nihon University School of Dentistry, Tokyo, Japan
| | | | - Yoshiyuki Hagiwara
- Implant Dentistry, Nihon University School of Dentistry Dental Hospital, Tokyo, Japan
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Hentenaar DFM, De Waal YCM, Van Winkelhoff AJ, Meijer HJA, Raghoebar GM. Non-surgical peri-implantitis treatment using a pocket irrigator device; clinical, microbiological, radiographical and patient-centred outcomes-A pilot study. Int J Dent Hyg 2020; 18:403-412. [PMID: 32794356 PMCID: PMC7693290 DOI: 10.1111/idh.12462] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 05/06/2020] [Accepted: 07/27/2020] [Indexed: 11/29/2022]
Abstract
Aim The aim of this prospective cohort study was to assess the effect of a pocket irrigator/evacuator device (IED) in the non‐surgical treatment of peri‐implantitis. Material and Methods In total 24 patients having 38 implants diagnosed with peri‐implantitis were included in this study. Peri‐implant pockets were irrigated six times in three consecutive weeks. The primary outcome was bleeding on probing (BoP). Secondary outcome parameters included plaque index (Pl), suppuration on probing (SoP), probing pocket depth (PPD), marginal bone loss (MBL), presence and numbers of periodontal pathogens. Parameters were assessed at baseline and 3 months after the last treatment. Treatment pain perception was scored using the visual analog scale (VAS) after the first and last treatment. Results At 3 months, IED treatment revealed significant reduction of peri‐implant BoP (71% [±20] vs 57% [±28] [P = .014]) and peri‐implant plaque scores (10 [±14] to 5 [±9] [P = .039] [T0 vs T3 respectively]). Significant reduction in mean peri‐implant PPD from 4.92 mm (SD ± 1.28) to 4.66 mm (SD ± 1.35) (P = .041) was observed. In addition, a reduction in VAS pain score between the first and the last (6th) treatment was found (P = .039). No reduction in SoP (P = .088) was found. No changes in mean periodontal full mouth plaque, BOP, SOP and PPD levels, MBL and microbiological outcomes were found. Conclusion Beneficial clinical effects in terms of BoP, PPD and PI were found at 3 months after IED treatment. However, the IED does not seem to effectively treat peri‐implantitis in terms of disease resolution.
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Affiliation(s)
- Diederik F M Hentenaar
- Department of Oral and Maxillofacial Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Yvonne C M De Waal
- Center for Dentistry and Oral Hygiene, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Arie Jan Van Winkelhoff
- Center for Dentistry and Oral Hygiene, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Henny J A Meijer
- Department of Oral and Maxillofacial Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.,Center for Dentistry and Oral Hygiene, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Gerry M Raghoebar
- Department of Oral and Maxillofacial Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
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Polymeri A, Anssari-Moin D, van der Horst J, Wismeijer D, Laine ML, Loos BG. Surgical treatment of peri-implantitis defects with two different xenograft granules: A randomized clinical pilot study. Clin Oral Implants Res 2020; 31:1047-1060. [PMID: 32803798 PMCID: PMC7693249 DOI: 10.1111/clr.13651] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Revised: 06/03/2020] [Accepted: 08/10/2020] [Indexed: 12/24/2022]
Abstract
Objectives To investigate whether xenograft EB (EndoBon) is non‐inferior to xenograft BO (Bio‐Oss) when used in reconstructive surgery of peri‐implant osseous defects. Materials and methods Dental patients with one implant each demonstrating peri‐implantitis were randomized to receive surgical debridement and defect fill with either BO or EB. Changes in bone level (BL) and intrabony defect depth (IDD) evaluated radiographically were the primary outcomes. The secondary outcomes included changes in probing pocket depth (PPD), bleeding on probing (BoP), and suppuration on probing (SoP). All outcomes were recorded before treatment and at 6 and 12 months post‐treatment. Results Twenty‐four patients (n = 11 BO, n = 13 EB) completed the study. Both groups demonstrated significant within‐group improvements in all clinical and radiographic parameters at 6 and 12 months (p ≤ .001). At 12 months, both groups presented with IDD reductions of 2.5–3.0 mm on average. The inter‐group differences were not statistically significant at all time points and for all the examined parameters (p > .05). While the radiographic defect fill in both groups exceeded > 1 mm and can be considered treatment success, successful treatment outcomes as defined by Consensus Reporting (no further bone loss, PPD ≤ 5 mm, no BOP, and no SoP) were identified in 2/11 (18%) BO and 0/13 (0%) EB individuals (Fisher's exact test, p = .199). Conclusions Within the limitations of this pilot study, the application of xenograft EB showed to be non‐inferior to xenograft BO when used in reconstructive surgery of peri‐implant osseous defects.
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Affiliation(s)
- Angeliki Polymeri
- Department of Periodontology, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit, Amsterdam, The Netherlands
| | - David Anssari-Moin
- Department of Periodontology, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit, Amsterdam, The Netherlands
| | - Joyce van der Horst
- Department Oral Implantology and Prosthodontics, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit, Amsterdam, The Netherlands
| | - Daniel Wismeijer
- Department Oral Implantology and Prosthodontics, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit, Amsterdam, The Netherlands
| | - Marja L Laine
- Department of Periodontology, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit, Amsterdam, The Netherlands
| | - Bruno G Loos
- Department of Periodontology, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit, Amsterdam, The Netherlands
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Koldsland OC, Aass AM. Supportive treatment following peri-implantitis surgery: An RCT using titanium curettes or chitosan brushes. J Clin Periodontol 2020; 47:1259-1267. [PMID: 32767565 DOI: 10.1111/jcpe.13357] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 07/03/2020] [Accepted: 07/27/2020] [Indexed: 11/27/2022]
Abstract
AIMS The aim of this randomized controlled trial was to assess the effect of two maintenance programmes when treatments were performed every third month from six to 18 months following surgical treatment of peri-implantitis. MATERIALS AND METHODS At the 6-month post-surgical evaluation, 44 subjects were randomized into groups receiving supportive peri-implant treatment either by the use of titanium curettes or chitosan brushes at implants registered with BoP and PPD >3 mm. Follow-up examinations and supportive therapy were performed 6, 9, 12, 15 and 18 months post-surgically. Clinical and radiographic assessments were made. RESULTS The percentage of implants registered with inflammation was high at the 6-month baseline examination (>80% bleeding on probing in both test and control group) and remained high throughout the observation period. Similar observations were made for all clinical parameters, and no significant difference was found between test and control groups. CONCLUSIONS In the present study, no statistical significant difference was found when supportive peri-implant treatment was performed with either titanium curettes or chitosan brushes. Within the limits of the study, the results might indicate the need of more effective submucosal cleaning procedures following peri-implant surgery.
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Affiliation(s)
- Odd Carsten Koldsland
- Department of Periodontology, Institute of Clinical Dentistry, Faculty of Dentistry, University of Oslo, Oslo, Norway
| | - Anne Merete Aass
- Department of Periodontology, Institute of Clinical Dentistry, Faculty of Dentistry, University of Oslo, Oslo, Norway
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Wang CW, Ashnagar S, Gianfilippo RD, Arnett M, Kinney J, Wang HL. Laser-assisted regenerative surgical therapy for peri-implantitis: A randomized controlled clinical trial. J Periodontol 2020; 92:378-388. [PMID: 32761810 DOI: 10.1002/jper.20-0040] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Revised: 04/07/2020] [Accepted: 04/18/2020] [Indexed: 12/22/2022]
Abstract
BACKGROUND Different surgical approaches have been proposed to treat peri-implantitis defects with limited effectiveness and predictability. Laser has been proposed as an effective tool to assist in bacterial decontamination and modulating peri-implant tissue inflammation. The aim of this pilot clinical trial was to evaluate the adjunctive benefits of Er:YAG laser irradiation for regenerative surgical therapy of peri-implantitis-associated osseous defects. METHODS Twenty-four patients diagnosed with peri-implantitis with a radiographic infrabony defect were randomized into two groups. Both test and control groups received the following treatment: open flap mechanical debridement, supracrestal implantoplasty, bone grafting using a mixture of human allograft with demineralized bone matrix human allograft putty, and then covered with acellular dermal matrix membrane. The only difference in the test group was the adjunctive use of Er:YAG laser to modulate and remove inflammatory tissue as well as to decontaminate the implant surface. Clinical assessments, including pocket depth (PD), clinical attachment level (CAL), and gingival index (GI) were performed by calibrated masked examiners for up to 6 months following surgery. Standardized radiographs were also taken to evaluate linear bone gain and defect bone fill. Student t-tests were used to analyze those clinical parameters. RESULTS Both groups showed significant reductions in PD, GI, and CAL gain overtime. The test group demonstrated significantly higher PD reductions at the site level compared to the control group (2.65 ± 2.14 versus 1.85 ± 1.71 mm; test versus control, P = 0.014). There were no statistical differences found in CAL gain (1.90 ± 2.28 versus 1.47 ± 1.76 mm; test versus control), GI reduction (-1.14 ± 1.15 versus -1.04 ± 0.89; test versus control), radiographic linear bone gain (1.27 ± 1.14 versus 1.08 ± 1.04 mm; test versus control) or proportional defect size reduction (- 24.46 ± 19.00% versus -15.19 ± 23.56%; test versus control). There was a positive trend for test patients on PD reduction and CAL gain found in narrow infrabony defects. Major membrane exposure negatively impaired the overall treatment outcome of CAL gain (2.47 ± 1.84 versus 1.03 ± 1.48 mm; no/minor versus major exposure, P = 0.051) and PD reduction in the test group (-3.63 ± 2.11 versus -1.66 ± 1.26 mm, P = 0.049). CONCLUSION This pilot study indicated using laser irradiation during peri-implantitis regenerative therapy may aid in better probing PD reduction. Nonetheless, a larger sample size and longer follow-up is needed to confirm if Er:YAG laser irradiation provides additional clinical benefits for peri-implantitis regenerative therapy (Clinicaltrials.gov: NCT03127228).
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Affiliation(s)
- Chin-Wei Wang
- Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, Michigan, USA
| | | | - Riccardo Di Gianfilippo
- Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, Michigan, USA
| | - Michelle Arnett
- Division of Dental Hygiene, University of Minnesota School of Dentistry, Minneapolis, Minnesota, USA
| | - Janet Kinney
- Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, Michigan, USA
| | - Hom-Lay Wang
- Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, Michigan, USA
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Werbelow L, Weiss M, Schramm A. Long-term follow-up of full-arch immediate implant-supported restorations in edentulous jaws: a clinical study. Int J Implant Dent 2020; 6:34. [PMID: 32728859 PMCID: PMC7391463 DOI: 10.1186/s40729-020-00232-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Accepted: 05/28/2020] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND This study aims to show the long-time stability of straight and tilted implants loaded immediately with a provisional resin bridge followed by a definitive prosthodontic rehabilitation in edentulous jaws despite difficult hygiene conditions postoperatively. RESULTS This study included the participation of 23 patients and the restoration of 170 dental implants in 32 edentulous jaws. Patient data was analyzed from the start of treatment with a minimum follow-up period of 6 years in order to determine long-term implant success rates. However, the age of patients at time of surgery significantly affected the BOP to the detriment of younger patients (median 62 years old). CONCLUSION Although there was a higher risk of implant failure due to general disease, all the implants in this study survived successfully. As a replacement for a complete dental arch, the reduced number of implants in combination with the avoidance of augmentations reduces treatment costs. The immediate fixed prosthetic restoration of edentulous jaws thus represents a reliable therapeutic alternative to a two- to three-stage procedure. Optimized aftercare including professional teeth cleaning (PTC) (at least twice a year) can minimize the anamnestic effect of smoking, diabetes mellitus, and osteoporosis on BOP and possible bone loss.
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Affiliation(s)
- Laura Werbelow
- Department of Oral and Maxillofacial Surgery, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20246, Hamburg, Germany.
| | - Michael Weiss
- OPUS Dental Clinic, Neue Straße 72-74, 89073, Ulm, Germany
| | - Alexander Schramm
- Department of Oral and Plastic Maxillofacial Surgery, Military Hospital Ulm, Oberer Eselsberg 40, 89081, Ulm, Germany.,Department of Oral and Maxillofacial Surgery, University Hospital Ulm, Albert-Einstein-Allee 11, 89081, Ulm, Germany
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Brunello G, Gervasi M, Ricci S, Tomasi C, Bressan E. Patients' perceptions of implant therapy and maintenance: A questionnaire‐based survey. Clin Oral Implants Res 2020; 31:917-927. [DOI: 10.1111/clr.13634] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Revised: 06/19/2020] [Accepted: 06/21/2020] [Indexed: 11/28/2022]
Affiliation(s)
- Giulia Brunello
- Department of Neurosciences School of Dentistry University of Padova Padova Italy
- Department of Management and Engineering University of Padova Vicenza Italy
| | - Marika Gervasi
- Department of Neurosciences School of Dentistry University of Padova Padova Italy
| | - Sara Ricci
- Department of Neurosciences School of Dentistry University of Padova Padova Italy
| | - Cristiano Tomasi
- Department of Periodontology Institute of Odontology Sahlgrenska Academy University of Gothenburg Gothenburg Sweden
| | - Eriberto Bressan
- Department of Neurosciences School of Dentistry University of Padova Padova Italy
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Alberti A, Morandi P, Zotti B, Tironi F, Francetti L, Taschieri S, Corbella S. Influence of Diabetes on Implant Failure and Peri-Implant Diseases: A Retrospective Study. Dent J (Basel) 2020; 8:dj8030070. [PMID: 32635449 PMCID: PMC7559512 DOI: 10.3390/dj8030070] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 06/29/2020] [Accepted: 07/01/2020] [Indexed: 12/19/2022] Open
Abstract
Diabetes is an important modifying factor of periodontitis, but its association with peri-implant diseases has not been fully explored and the existing literature reports controversial results. The aim of this retrospective study was to evaluate the influence of diabetes on peri-implantitis and implant failure. Smoking status, history of periodontal disease, presence of diabetes, diabetes type, therapy and glycaemia levels were collected in a total of 204 subjects treated with 929 implants, with a mean follow-up time of 5.7 ± 3.82 years after loading. Odds ratio (OR) for diabetes as a direct cause of peri-implantitis and implant failure were calculated, adjusted for smoking status and history of periodontitis. Nineteen patients were diabetic and most of them presented a good control of the disease at the time of surgery. The overall patient-level prevalence of peri-implantitis was 11.3%. Among diabetic patients, one developed peri-implantitis, whereas one experienced multiple implant failures. The calculated ORs, adjusted for smoking status and periodontitis, were not statistically significant. The results revealed no association between diabetes and peri-implantitis or implant failure coherently with the existing scientific literature. The actual influence of hyperglycemia on implant failure is still uncertain and new studies with larger cohorts of patients are needed.
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Affiliation(s)
- Alice Alberti
- Department of Biomedical, Surgical and Dental Sciences, Universitaà degli Studi di Milano, 20122 Milan, Italy; (P.M.); (B.Z.); (F.T.); (L.F.); (S.T.); (S.C.)
- IRCCS Galeazzi Orthopedic Institute, 20161 Milan, Italy
- Correspondence:
| | - Paolo Morandi
- Department of Biomedical, Surgical and Dental Sciences, Universitaà degli Studi di Milano, 20122 Milan, Italy; (P.M.); (B.Z.); (F.T.); (L.F.); (S.T.); (S.C.)
- IRCCS Galeazzi Orthopedic Institute, 20161 Milan, Italy
| | - Beatrice Zotti
- Department of Biomedical, Surgical and Dental Sciences, Universitaà degli Studi di Milano, 20122 Milan, Italy; (P.M.); (B.Z.); (F.T.); (L.F.); (S.T.); (S.C.)
- IRCCS Galeazzi Orthopedic Institute, 20161 Milan, Italy
| | - Francesco Tironi
- Department of Biomedical, Surgical and Dental Sciences, Universitaà degli Studi di Milano, 20122 Milan, Italy; (P.M.); (B.Z.); (F.T.); (L.F.); (S.T.); (S.C.)
- IRCCS Galeazzi Orthopedic Institute, 20161 Milan, Italy
| | - Luca Francetti
- Department of Biomedical, Surgical and Dental Sciences, Universitaà degli Studi di Milano, 20122 Milan, Italy; (P.M.); (B.Z.); (F.T.); (L.F.); (S.T.); (S.C.)
- IRCCS Galeazzi Orthopedic Institute, 20161 Milan, Italy
| | - Silvio Taschieri
- Department of Biomedical, Surgical and Dental Sciences, Universitaà degli Studi di Milano, 20122 Milan, Italy; (P.M.); (B.Z.); (F.T.); (L.F.); (S.T.); (S.C.)
- IRCCS Galeazzi Orthopedic Institute, 20161 Milan, Italy
- Department of Oral Surgery, Institute of Dentistry, I.M. Sechenov First Moscow State Medical University, 119146 Moscow, Russia
| | - Stefano Corbella
- Department of Biomedical, Surgical and Dental Sciences, Universitaà degli Studi di Milano, 20122 Milan, Italy; (P.M.); (B.Z.); (F.T.); (L.F.); (S.T.); (S.C.)
- IRCCS Galeazzi Orthopedic Institute, 20161 Milan, Italy
- Department of Oral Surgery, Institute of Dentistry, I.M. Sechenov First Moscow State Medical University, 119146 Moscow, Russia
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Tsigarida A, Chochlidakis K, Fraser D, Lampraki E, Einarsdottir ER, Barmak AB, Papaspyridakos P, Ercoli C. Peri-Implant Diseases and Biologic Complications at Implant-Supported Fixed Dental Prostheses in Partially Edentulous Patients. J Prosthodont 2020; 29:429-435. [PMID: 32180293 DOI: 10.1111/jopr.13165] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/16/2020] [Indexed: 11/28/2022] Open
Abstract
PURPOSE This is a single center, retrospective study to assess the prevalence of peri-implant disease and biologic complications in a cohort of partially edentulous subjects in relation to selected prosthetic factors. MATERIALS AND METHODS Subjects previously treated with one or more implant-supported fixed dental prosthesis (ISFDPs) were recalled for a comprehensive examination. Clinical and radiographic records were taken and questionnaires were administered. The prevalence of implant failure, peri-implant disease and other biologic complications were correlated with selected prosthetic, clinical and patient-related factors using chi-square and multiple regression analyses. RESULTS A convenience sample of 71 subjects with 100 prostheses supported by 222 dental implants were enrolled in the study. The mean follow-up time after prosthesis delivery was 3.3 ± 1.5 years (range of 1-9 years). The cumulative implant survival rate was 99.1%. Peri-implantitis was the most frequent major biologic complication (5% of implants), while the most frequent minor biologic complication was peri-implant mucositis (84.10% of implants). A diagnosis of peri-implant mucositis was more likely associated with cement-retained prostheses compared to screw-retained prostheses (OR 6.8, 95% CI 1.1-78.6, p = 0.045) and for short-span prostheses (≤3 prosthetic units) (OR 2.3, 95% CI 1.1-5.0, p = 0.034). Subject-reported quality of life measures were high regardless of the existence of major and/or minor complications, but decreased with increasing number of minor and total biologic complications. CONCLUSIONS Peri-implant mucositis and other minor biologic complications were highly prevalent. The distribution of the observed complications differed based on the method of prosthesis retention and the number of prosthetic units replaced.
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Affiliation(s)
- Alexandra Tsigarida
- Department of Periodontology, Eastman Institute for Oral Health, University of Rochester, NY
| | | | - David Fraser
- Department of Periodontology, Eastman Institute for Oral Health, University of Rochester, NY
| | | | | | | | - Panos Papaspyridakos
- Department of Prosthodontics, Eastman Institute for Oral Health, University of Rochester, NY.,Department of Prosthodontics, Tufts School of Dental Medicine, Boston, MA
| | - Carlo Ercoli
- Department of Prosthodontics, Eastman Institute for Oral Health, University of Rochester, NY
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Chochlidakis K, Fraser D, Lampraki E, Einarsdottir ER, Barmak AB, Papaspyridakos P, Ercoli C, Tsigarida A. Prosthesis Survival Rates and Prosthetic Complications of Implant-Supported Fixed Dental Prostheses in Partially Edentulous Patients. J Prosthodont 2020; 29:479-488. [PMID: 32364656 DOI: 10.1111/jopr.13185] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2020] [Revised: 04/26/2020] [Accepted: 04/27/2020] [Indexed: 12/25/2022] Open
Abstract
PURPOSE To determine the prevalence and distribution of prosthetic complications affecting implant-supported fixed dental prostheses (ISFDPs). MATERIALS AND METHODS Subjects previously treated with one or more ISFDP(s) were identified from an electronic health record search and recalled for comprehensive clinical examination. Past prosthesis failures and complications were identified from the patient records while any existing complications, not previously recorded, were assessed during examination. ISFDP survival and failure rates were calculated with Kaplan-Meier curves and life table analysis, while regression Poisson analysis was used to identify associations between outcomes and possible patient- and prosthesis-based risk factors. RESULTS Seventy-four subjects with 107 ISFDPs were enrolled in the study with a mean time between prosthesis delivery and exam of 3.14 years (range: 1.00-9.00 years). Four prostheses failed, resulting in a cumulative prosthesis survival rate of 96.26%. Prosthetic complications affected 48.59% of ISFDPs, the majority (94.87%) of them minor complications. Only the use of a nightguard was associated with a lower prevalence of prosthetic screw loosening (HR 0.11, 95% CI 0.02-0.59, p = 0.007) while no outcome differences were noted for other variables. Patient satisfaction was high regardless of presence or number of complications. CONCLUSIONS ISFDPs demonstrated a high survival rate and overall high, patient-reported satisfaction. Minor prosthetic complications were common but were only significantly associated with nightguard use.
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Affiliation(s)
- Konstantinos Chochlidakis
- Department of Prosthodontics, Eastman Institute for Oral Health, University of Rochester, Rochester, NY
| | - David Fraser
- Department of Periodontology, Eastman Institute for Oral Health, University of Rochester, Rochester, NY
| | | | | | - Abdul Basir Barmak
- Eastman Institute for Oral Health, University of Rochester, Rochester, NY
| | - Panos Papaspyridakos
- Department of Prosthodontics, Eastman Institute for Oral Health, University of Rochester, Rochester, NY.,Department of Prosthodontics, Tufts School of Dental Medicine, Boston, MA
| | - Carlo Ercoli
- Department of Prosthodontics, Eastman Institute for Oral Health, University of Rochester, Rochester, NY
| | - Alexandra Tsigarida
- Department of Periodontology, Eastman Institute for Oral Health, University of Rochester, Rochester, NY
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Philip J, Laine ML, Wismeijer D. Adjunctive effect of mouthrinse on treatment of peri-implant mucositis using mechanical debridement: A randomized clinical trial. J Clin Periodontol 2020; 47:883-891. [PMID: 32315444 PMCID: PMC7317778 DOI: 10.1111/jcpe.13295] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Accepted: 04/16/2020] [Indexed: 11/30/2022]
Abstract
Aim To study effect of delmopinol hydrochloride (DEL) in comparison with chlorhexidine digluconate (CHX) and a placebo (PLA) in addition to non‐surgical mechanical debridement in patients with peri‐implant mucositis. Materials and methods Eighty‐nine patients with at least one implant diagnosed with peri‐implant mucositis were randomly assigned to one of three study groups (DEL, CHX and PLA). Professional non‐surgical mechanical debridement was performed at baseline. Mouth rinsing was carried out by the patients twice a day in addition to their regular oral hygiene practices. Assessments of efficacy were performed for the primary outcome ‐ Implant bleeding on probing (IBOP%) and secondary outcomes ‐ modified Bleeding Index (mBI) and modified Plaque Index (mPI) at 1 and 3 months. Results At 3 months, there was statistically significant reduction in IBOP% and mBI within the study groups compared to baseline. However, there was no statistically significant difference between the study groups at 3 months follow‐up. Moreover, there was a statistically significant difference according to mPI at 1 month between the chlorhexidine and placebo group (p = .004). Conclusions This study confirms that mechanical debridement combined with oral hygiene instruction is effective in treatment of peri‐implant mucositis. The clinical effects between groups were comparable.
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Affiliation(s)
- Juliana Philip
- Department of Oral Implantology and Prosthetic Dentistry, Academic Center for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Marja L Laine
- Department of Periodontology, Academic Center for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Daniël Wismeijer
- Department of Oral Implantology and Prosthetic Dentistry, Academic Center for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
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50
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Lee JH. Digital approach to fabricating an implant indexing device for dental implant abutments. J Prosthet Dent 2020; 123:393-397. [DOI: 10.1016/j.prosdent.2019.01.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Revised: 01/08/2019] [Accepted: 01/25/2019] [Indexed: 10/26/2022]
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