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Anitua E, Murias-Freijo A, Tierno R, Tejero R, Alkhraisat MH. Assessing peri-implant bacterial community structure: the effect of microbiome sample collection method. BMC Oral Health 2024; 24:1001. [PMID: 39187802 DOI: 10.1186/s12903-024-04675-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Accepted: 07/25/2024] [Indexed: 08/28/2024] Open
Abstract
BACKGROUND Oral microbiota comprises polymicrobial communities shaped by mutualistic coevolution with the host, contributing to homeostasis and regulating immune function. Nevertheless, dysbiosis of oral bacterial communities is associated with a number of clinical symptoms that ranges from infections to oral cancer. Peri-implant diseases are biofilm-associated inflammatory conditions affecting the soft and hard tissues around dental implants. Characterization and identification of the biofilm community are essential for the understanding of the pathophysiology of such diseases. For that sampling methods should be representative of the biofilm communities Therefore, there is a need to know the effect of different sampling strategies on the biofilm characterization by next generation sequencing. METHODS With the aim of selecting an appropriate microbiome sampling procedure for periimplant biofilms, next generation sequencing was used for characterizing the bacterial communities obtained by three different sampling strategies two months after transepithelial abutment placement: adjacent periodontal crevicular fluid (ToCF), crevicular fluid from transepithelial abutment (TACF) and transepithelial abutment (TA). RESULTS Significant differences in multiple alpha diversity indices were detected at both the OTU and the genus level between different sampling procedures. Differentially abundant taxa were detected between sample collection strategies, including peri-implant health and disease related taxa. At the community level significant differences were also detected between TACF and TA and also between TA and ToCF. Moreover, differential network properties and association patterns were identified. CONCLUSIONS The selection of sample collection strategy can significantly affect the community composition and structure. TRIAL REGISTRATION This research is part of a randomized clinical trial that was designed to assess the effect of transepithelial abutment surface on the biofilm formation. The trial was registered at Trial Registration ClinicalTrials.gov under the number NCT03554876.
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Affiliation(s)
- Eduardo Anitua
- BTI-Biotechnology Institute, Vitoria, Spain.
- University Institute for Regenerative Medicine & Oral Implantology, UIRMI (UPV/EHU-Fundación Eduardo Anitua), Jacinto Quincoces, 39, Vitoria (Álava), 01007, Spain.
| | - Alia Murias-Freijo
- University Institute for Regenerative Medicine & Oral Implantology, UIRMI (UPV/EHU-Fundación Eduardo Anitua), Jacinto Quincoces, 39, Vitoria (Álava), 01007, Spain
- Biomedical Investigation, Faculty of Medicine and Dentistry, University of the Basque Country, Leioa, Spain
| | - Roberto Tierno
- BTI-Biotechnology Institute, Vitoria, Spain
- University Institute for Regenerative Medicine & Oral Implantology, UIRMI (UPV/EHU-Fundación Eduardo Anitua), Jacinto Quincoces, 39, Vitoria (Álava), 01007, Spain
| | - Ricardo Tejero
- BTI-Biotechnology Institute, Vitoria, Spain
- University Institute for Regenerative Medicine & Oral Implantology, UIRMI (UPV/EHU-Fundación Eduardo Anitua), Jacinto Quincoces, 39, Vitoria (Álava), 01007, Spain
| | - Mohammad Hamdan Alkhraisat
- BTI-Biotechnology Institute, Vitoria, Spain
- University Institute for Regenerative Medicine & Oral Implantology, UIRMI (UPV/EHU-Fundación Eduardo Anitua), Jacinto Quincoces, 39, Vitoria (Álava), 01007, Spain
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Shen L, Hu J, Yuan Y, Wang X, Jiang Q. Photothermal-promoted multi-functional gallic acid grafted chitosan hydrogel containing tannic acid miniaturized particles for peri-implantitis. Int J Biol Macromol 2023; 253:127366. [PMID: 37827419 DOI: 10.1016/j.ijbiomac.2023.127366] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 10/05/2023] [Accepted: 10/09/2023] [Indexed: 10/14/2023]
Abstract
Peri-implantitis, a leading cause of implant failure, currently lacks effective therapeutic strategies. Given that bacterial infection and reactive oxygen species overabundance serve as primary pathogenic and triggering factors, respectively, an adhesive hydrogel has been created for in-situ injection. The hydrogel is a gallic acid-grafted chitosan (CS-GA) hydrogel containing tannic acid miniaturized particles (TAMP). This provides antibacterial and antioxidant properties. Therefore, this study aims to evaluate the potential role of this hydrogel in preventing and treating peri-implantitis via several experiments. It undergoes rapid formation within a span of over 20 s via an oxidative crosslinking reaction catalyzed by horseradish peroxidase and hydrogen peroxide, demonstrating robust adhesion, superior cell compatibility, and a sealing effect. Furthermore, the incorporation of TAMP offer photothermal properties to the hydrogel, enabling it to enhance the viability, migration, and antioxidant activity of co-cultured human gingival fibroblasts when subjected 0.5 W/cm2 808 nm near-infrared (NIR) irradiation. At higher irradiation power, the hydrogel exhibits progressive improvements in its antibacterial efficacy against Porphyromonas gingivalis and Fusobacterium nucleatum. It attains rates of 83.11 ± 5.42 % and 83.48 ± 6.855 %, respectively, under 1 W/cm2 NIR irradiation. In summary, the NIR-controlled CS-GA/TAMP hydrogel, exhibiting antibacterial and antioxidant properties, represents a promising approach for the prophylaxis and management of peri-implantitis.
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Affiliation(s)
- Lipei Shen
- Department of Prosthodontics, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing 100050, China
| | - Jiangqi Hu
- Department of Prosthodontics, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing 100050, China
| | - Yafei Yuan
- Department of Prosthodontics, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing 100050, China
| | - Xiaoyu Wang
- Department of Prosthodontics, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing 100050, China
| | - Qingsong Jiang
- Department of Prosthodontics, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing 100050, China.
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Silva-Boghossian CM, Duarte PT, Silva DGD, Lourenço TGB, Colombo APV. Colonization dynamics of subgingival microbiota in recently installed dental implants compared to healthy teeth in the same individual: a 6-month prospective observational study. J Appl Oral Sci 2023; 31:e20230134. [PMID: 37729258 PMCID: PMC10519670 DOI: 10.1590/1678-7757-2023-0134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 07/05/2023] [Accepted: 08/07/2023] [Indexed: 09/22/2023] Open
Abstract
OBJECTIVES To evaluate the colonization dynamics of subgingival microbiota established over six months around newly installed dental implants in periodontally healthy individuals, compared with their corresponding teeth. METHODOLOGY Seventeen healthy individuals assigned to receive single dental implants participated in the study. Subgingival biofilm was sampled from all implant sites and contralateral/ antagonist teeth on days 7, 30, 90, and 180 after implant installation. Microbiological analysis was performed using the Checkerboard DNA-DNA hybridization technique for detection of classical oral taxa and non-oral microorganisms. Significant differences were estimated by Mann-Whitney and Friedman tests, while associations between implants/teeth and target species levels were assessed by linear regression analysis (LRA). Significance level was set at 5%. RESULTS Levels of some species were significantly higher in teeth compared to implants, respectively, at day 7 ( V.parvula , 6 × 10 5 vs 3 × 105 ; Milleri streptococci , 2 × 10 6 vs 6 × 10 5 ; Capnocytophaga spp., 2 × 10 6 vs 9 × 10 5 ; E.corrodens , 2 × 10 6 vs 5 × 10 5 ; N. mucosa , 2 × 10 6 vs 5 × 10 5 ; S.noxia , 2 × 10 6 vs 3 × 10 5 ; T.socranskii , 2 × 10 6 vs 5 × 10 5 ; H.alvei , 4 × 10 5 vs 2 × 10 5 ; and Neisseria spp., 6 × 10 5 vs 4 × 10 4 ), day 30 ( V.parvula , 5 × 10 5 vs 10 5 ; Capnocytophaga spp., 1.3 × 10 6 vs 6.8 × 10 4 ; F.periodonticum , 2 × 10 6 vs 10 6 ; S.noxia , 6 × 10 5 vs 2 × 10 5 ; H.alvei , 8 × 10 5 vs 9 × 10 4 ; and Neisseria spp., 2 × 10 5 vs 10 6 ), day 120 ( V.parvula , 8 × 10 5 vs 3 × 10 5 ; S.noxia , 2 × 10 6 vs 0; and T.socranskii , 3 × 10 5 vs 8 × 10 4 ), and day 180 ( S.enterica subsp. enterica serovar Typhi, 8 × 10 6 vs 2 × 10 6 ) (p<0.05). Implants showed significant increases over time in the levels of F.nucleatum , Gemella spp., H.pylori , P.micra , S.aureus , S.liquefaciens , and T.forsythia (p<0.05). LRA found that dental implants were negatively correlated with high levels of S. noxia and V. parvula (β=-0.5 to -0.3; p<0.05). CONCLUSIONS Early submucosal microbiota is diverse and only a few species differ between teeth and implants in the same individual. Only 7 days after implant installation, a rich microbiota can be found in the peri-implant site. After six months of evaluation, teeth and implants show similar prevalence and levels of the target species, including known and new periodontopathic species.
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Affiliation(s)
- Carina Maciel Silva-Boghossian
- Universidade Federal Rio de Janeiro, Faculdade de Odontologia, Departamento de Clínica Odontológica, Rio de Janeiro, Brasil
| | - Pablo Torquilho Duarte
- Universidade do Grande Rio, Programa de Pós-graduação em Odontologia, Duque de Caxias, Rio de Janeiro, Brasil
| | - Denise Gome da Silva
- Universidade do Grande Rio, Programa de Pós-graduação em Odontologia, Duque de Caxias, Rio de Janeiro, Brasil
| | - Talita Gomes Baêta Lourenço
- Universidade Federal do Rio de Janeiro, Instituto de Microbiologia Paulo de Góes, Departamento de Microbiologia Médica, Rio de Janeiro, Brasil
| | - Ana Paula Vieira Colombo
- Universidade Federal do Rio de Janeiro, Instituto de Microbiologia Paulo de Góes, Departamento de Microbiologia Médica, Rio de Janeiro, Brasil
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Chih SM, Cheng CD, Chen SH, Sung CE, Huang RY, Cheng WC. The Impact of Smoking on Peri-implant Microbiota: A Systematic Review. J Dent 2023; 133:104525. [PMID: 37088258 DOI: 10.1016/j.jdent.2023.104525] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 04/06/2023] [Accepted: 04/18/2023] [Indexed: 04/25/2023] Open
Abstract
OBJECTIVES Peri-implantitis is associated with bacterial plaque biofilms and with patients who have a history of periodontitis. Smoking is a risk factor for periodontitis, but the relationship between smoking and peri-implantitis is unclear. The aim of this systematic review was to assess evidence ascertaining the relationship between smoking and peri-implant microbiota. DATA SOURCES An electronic search was conducted in the MEDLINE/PubMed, Embase and Scopus® databases in duplicate up to January 2023 without language restrictions. Studies were considered eligible for inclusion if they involved evaluation of the peri-implant microbiota of smokers and nonsmokers. Methodological quality was assessed with the adapted Newcastle-Ottawa scale. STUDY SELECTION Fourteen studies were identified for inclusion in the present study, and 85.7% of the studies were defined as medium to high methodological quality. Overall, the evidence presented in this review was limited to medium to high methodological quality. The data indicates that significantly higher frequencies of anaerobic pathogens are detectable in healthy peri-implant tissues of smokers. A lower diversity of microbiota was observed in healthy peri-implant sites of smokers. In the transition from clinically healthy to a diseased status, smoking shaped a reduced peri-implant microbiota by depleting commensal and enriching pathogenic species. CONCLUSIONS The composition of peri-implant microbiota may be influenced by smoking. More studies are needed to determine the impact of smoking on peri-implant microbiota. CLINICAL SIGNIFICANCE In the transition from clinically healthy to a diseased status, smoking shaped a reduced peri-implant microbiota by depleting commensal and enriching pathogenic species. The composition of peri-implant microbiota may be influenced by smoking.
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Affiliation(s)
- Shu-Mi Chih
- Department of Periodontology, School of Dentistry, Tri-Service General Hospital and National Defense Medical Center, Taipei, Taiwan; Graduate Institute of Dental Science, National Defense Medical Center
| | - Chia-Dan Cheng
- Department of Periodontology, School of Dentistry, Tri-Service General Hospital and National Defense Medical Center, Taipei, Taiwan
| | - Siao-Han Chen
- Department of Periodontology, School of Dentistry, Tri-Service General Hospital and National Defense Medical Center, Taipei, Taiwan
| | - Cheng-En Sung
- Department of Periodontology, School of Dentistry, Tri-Service General Hospital and National Defense Medical Center, Taipei, Taiwan
| | - Ren-Yeong Huang
- Department of Periodontology, School of Dentistry, Tri-Service General Hospital and National Defense Medical Center, Taipei, Taiwan
| | - Wan-Chien Cheng
- Department of Periodontology, School of Dentistry, Tri-Service General Hospital and National Defense Medical Center, Taipei, Taiwan.
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Madi M, Smith S, Alshehri S, Zakaria O, Almas K. Influence of Smoking on Periodontal and Implant Therapy: A Narrative Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:5368. [PMID: 37047982 PMCID: PMC10094532 DOI: 10.3390/ijerph20075368] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 03/15/2023] [Accepted: 03/28/2023] [Indexed: 06/19/2023]
Abstract
BACKGROUND smoking is considered the most modifiable risk factor for periodontal disease. OBJECTIVE the aim of this narrative review is to emphasize the effect of smoking on periodontal and implant therapy. METHODS The authors reviewed the literature reporting the clinical outcomes of smoking on periodontal surgical and nonsurgical treatment. The impact of smoking on implant therapy and sinus lifting procedures were also reviewed. RESULTS Periodontal and implant therapy outcomes are adversely affected by smoking. Smokers respond less favorably to periodontal therapy and periodontal flap procedures as compared to nonsmokers. Clinical outcomes for smokers are 50-75% worse than for nonsmokers. Studies reveal that smokers experience a significantly lower reduction in pocket depth compared to nonsmokers as well as less bone growth after treating infra-bony defects with guided tissue regeneration. The relative risk of implant failure is significantly higher in patients who smoke 20 cigarettes or more per day compared to nonsmokers. Additionally, smoking has also been shown to increase postoperative wound dehiscence and infection rates following sinus floor elevation. Longitudinal studies on smoke cessation have shown a reduction in bone loss and probing depths for periodontitis patients after cessation compared to those who smoke. CONCLUSION Smoking cessation can reduce probing depths and improve clinical attachment after nonsurgical periodontal therapy. There is insufficient evidence regarding the effect of smoking on peri-implantitis, as well as the loss of implants in the long-term.
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Affiliation(s)
- Marwa Madi
- Department of Preventive Dental Sciences, College of Dentistry, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia
| | - Steph Smith
- Department of Preventive Dental Sciences, College of Dentistry, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia
| | - Sami Alshehri
- Department of Biomedical Dental Sciences, College of Dentistry, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia
| | - Osama Zakaria
- Department of Biomedical Dental Sciences, College of Dentistry, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia
| | - Khalid Almas
- Department of Preventive Dental Sciences, College of Dentistry, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia
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Banu Raza F, Vijayaragavalu S, Kandasamy R, Krishnaswami V, Kumar V A. Microbiome and the inflammatory pathway in peri-implant health and disease with an updated review on treatment strategies. J Oral Biol Craniofac Res 2023; 13:84-91. [PMID: 36504486 PMCID: PMC9730223 DOI: 10.1016/j.jobcr.2022.11.005] [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: 03/12/2022] [Revised: 08/30/2022] [Accepted: 11/25/2022] [Indexed: 12/04/2022] Open
Abstract
Crestal bone preservation around the dental implant for aesthetic and functional success is widely researched and documented over a decade. Several etiological factors were put forth for crestal bone loss; of which biofilm plays a major role. Biofilm is formed by the colonization of wide spectra of bacteria inhabited around dental implants. Bacterial adherence affects the regulators of bone growth and an early intervention preserves the peri-implant bone. Primary modes of therapy stated in early literature were either prevention or treatment of infection caused by biofilm. This narrative review overviews the microbiome during different stages of peri-implant health, the mechanism of bone destruction, and the expression of the biomarkers at each stage. Microbial contamination and the associated biomarkers varied depending on the stage of peri-implant infection. The comprehensive review helps in formulating a research plan, both in diagnostics and treatment aspects in improving peri-implant health.
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Key Words
- Antibiotics
- Biomarkers
- CD14, Cluster of Differentiation 14
- CSF, Colony-Stimulating Factor
- Gene expression
- IL, Interleukins
- MMP 8, Matrix MetalloProteinase 8
- Microbiota
- OPG, Osteoprotegerin
- PSMB 2, Proteasome subunit beta type-2
- Peri-implant
- RANK, Receptor Activator of Nuclear factor Kappa-Β
- RANKL, Receptor Activator of Nuclear factor Kappa-ΒLigand
- TIMP, Tissue inhibitor of Metalloproteinase
- TNF, Tumor Necrosis Factor
- TWEAK, TNF-related weak inducer of apoptosis
- VEGF, Vascular Endothelial Growth Factor
- sRANKL, soluble Receptor Activator of Nuclear Factor-κB Ligand
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Affiliation(s)
- Fathima Banu Raza
- Department of Prosthodontics, Faculty of Dental Sciences, Sri Ramachandra Institute of Higher Education and Research, Chennai, Tamil Nadu, India
| | | | - Ruckmani Kandasamy
- Centre for Excellence in Nanobio Translational REsearch (CENTRE), Department of Pharmaceutical Technology, University College of Engineering, Anna University, BIT Campus, Tiruchirappalli, Tamil Nadu, India
| | - Venkateshwaran Krishnaswami
- Centre for Excellence in Nanobio Translational REsearch (CENTRE), Department of Pharmaceutical Technology, University College of Engineering, Anna University, BIT Campus, Tiruchirappalli, Tamil Nadu, India
| | - Anand Kumar V
- Department of Prosthodontics, Faculty of Dental Sciences, Sri Ramachandra Institute of Higher Education and Research, Chennai, Tamil Nadu, India
- Corresponding author. Department of Prosthodontics, Faculty of Dental Sciences, SRIHER (DU), Porur, Chennai, Tamil Nadu, India.
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An ionic silver coating prevents implant-associated infection by anaerobic bacteria in vitro and in vivo in mice. Sci Rep 2022; 12:18387. [PMID: 36319854 PMCID: PMC9626628 DOI: 10.1038/s41598-022-23322-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 10/29/2022] [Indexed: 11/07/2022] Open
Abstract
Currently, implants are utilized clinically for bone transplant procedures. However, if infectious osteomyelitis occurs at implant sites, removal of bacteria can be challenging. Moreover, altered blood flow at peri-implant infectious sites can create an anaerobic environment, making it more difficult to treat infection with antibiotics. Thus, it would be beneficial if implants could be modified to exhibit antibacterial activity, even in anaerobic conditions. Here, we show antibacterial activity of silver ions coated on titanium rods, even against the anaerobic bacteria Porphyromonas gingivalis (P. gingivalis), both in vitro and in vivo. Specifically, we implanted silver-coated or control uncoated titanium rods along with P. gingivalis in mouse femoral bone BM cavities and observed significantly inhibited P. gingivalis infection with silver-coated compared with non-coated rods, based on in vivo bio-imaging. Osteonecrosis by infectious osteomyelitis and elevation of the inflammatory factors C-reactive protein and IL-6 promoted by P. gingivalis s were also significantly reduced in the presence of silver-coated rods. Overall, our study indicates that silver ion coating of an implant represents a therapeutic option to prevent associated infection, even in anaerobic conditions or against anaerobic bacteria.
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Sousa V, Spratt D, Davrandi M, Mardas N, Beltrán V, Donos N. Oral Microcosm Biofilms Grown under Conditions Progressing from Peri-Implant Health, Peri-Implant Mucositis, and Peri-Implantitis. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:14088. [PMID: 36360970 PMCID: PMC9654334 DOI: 10.3390/ijerph192114088] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 09/05/2022] [Accepted: 09/14/2022] [Indexed: 06/16/2023]
Abstract
Peri-implantitis is a disease influenced by dysbiotic microbial communities that play a role in the short- and long-term outcomes of its clinical treatment. The ecological triggers that establish the progression from peri-implant mucositis to peri-implantitis remain unknown. This investigation describes the development of a novel in vitro microcosm biofilm model. Biofilms were grown over 30 days over machined titanium discs in a constant depth film fermentor (CDFF), which was inoculated (I) with pooled human saliva. Following longitudinal biofilm sampling across peri-implant health (PH), peri-implant mucositis (PM), and peri-implantitis (PI) conditions, the characterisation of the biofilms was performed. The biofilm analyses included imaging by confocal laser scanning microscopy (CLSM) and scanning electron microscopy (SEM), selective and non-selective culture media of viable biofilms, and 16S rRNA gene amplification and sequencing. Bacterial qualitative shifts were observed by CLSM and SEM across conditions, which were defined by characteristic phenotypes. A total of 9 phyla, 83 genera, and 156 species were identified throughout the experiment. The phyla Proteobacteria, Bacteroidetes, Firmicutes, Fusobacteria, and Actinobacteria showed the highest prevalence in PI conditions. This novel in vitro microcosm model provides a high-throughput alternative for growing microcosm biofilms resembling an in vitro progression from PH-PM-PI conditions.
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Affiliation(s)
- Vanessa Sousa
- Periodontology and Periodontal Medicine, Centre for Host-Microbiome Interactions, Faculty of Dentistry, Oral and Craniofacial Sciences, Kings College London, Guy’s and St Thomas’ NHS Foundation Trust, London SE1 9RT, UK
| | - Dave Spratt
- Microbial Diseases, Eastman Dental Institute, University College London, London WC1E 6BT, UK
| | - Mehmet Davrandi
- Microbial Diseases, Eastman Dental Institute, University College London, London WC1E 6BT, UK
| | - Nikos Mardas
- Centre for Oral Clinical Research, Centre for Oral Immunobiology and Regenerative Medicine, Institute of Dentistry, Barts and The London School of Medicine and Dentistry, Queen Mary University London, London E1 2AD, UK
| | - Víctor Beltrán
- Clinical Investigation and Dental Innovation Center (CIDIC), Dental School and Center for Translational Medicine (CEMT-BIOREN), Universidad de La Frontera, Temuco 4780000, Chile
| | - Nikolaos Donos
- Centre for Oral Clinical Research, Centre for Oral Immunobiology and Regenerative Medicine, Institute of Dentistry, Barts and The London School of Medicine and Dentistry, Queen Mary University London, London E1 2AD, UK
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Apatzidou DA. The role of cigarette smoking in periodontal disease and treatment outcomes of dental implant therapy. Periodontol 2000 2022; 90:45-61. [PMID: 35950749 DOI: 10.1111/prd.12449] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Tobacco smoking has been implicated in periodontal pathology through various mechanisms, including perturbations of the inflammatory and host responses to putative periodontal pathogens, alterations in the subgingival microbial communities, and a compromised healing potential of the tissues leading to imbalance of tissue homeostasis. This review provides the evidence for the relationship between cigarette smoking and periodontal disease in an attempt to explain possible mechanisms of how tobacco smoking may exert its negative effects on the periodontal tissues via systemic and localized pathways. Early and more recent studies explore cigarette smoking-induced changes in periodontal clinical indices; in subgingival microbial flora by employing traditional detection methods for selected microorganisms, in addition to modern techniques such as deep sequencing and bioinformatics analyses that are able to fully characterize the microbial communities; and in inflammatory and immune responses critically appraising study limitations and differences in study protocol designs. Periodontal treatment outcomes and implant therapy outcomes are reviewed in an attempt to shed light on possible mechanisms for the inferior treatment outcome noted in smokers. The potential harmful effects of passive smoking are also reviewed, providing evidence for the advantages of smoking cessation. Quitting cigarette smoking should be recommended by the dentist, and effort should be made to inform smokers about the negative effects of smoking on the periodontal status and implant therapy outcomes.
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Affiliation(s)
- Danae Anastasia Apatzidou
- Department of Preventive Dentistry, Periodontology and Implant Biology, School of Dentistry, Faculty of Health Sciences, Aristotle University of Thessaloniki (AUTh), Thessaloniki, Greece
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Cheng X, Zhou X, Liu C, Xu X. Oral Osteomicrobiology: The Role of Oral Microbiota in Alveolar Bone Homeostasis. Front Cell Infect Microbiol 2021; 11:751503. [PMID: 34869060 PMCID: PMC8635720 DOI: 10.3389/fcimb.2021.751503] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Accepted: 10/29/2021] [Indexed: 02/05/2023] Open
Abstract
Osteomicrobiology is a new research field in which the aim is to explore the role of microbiota in bone homeostasis. The alveolar bone is that part of the maxilla and mandible that supports the teeth. It is now evident that naturally occurring alveolar bone loss is considerably stunted in germ-free mice compared with specific-pathogen-free mice. Recently, the roles of oral microbiota in modulating host defense systems and alveolar bone homeostasis have attracted increasing attention. Moreover, the mechanistic understanding of oral microbiota in mediating alveolar bone remodeling processes is undergoing rapid progress due to the advancement in technology. In this review, to provide insight into the role of oral microbiota in alveolar bone homeostasis, we introduced the term “oral osteomicrobiology.” We discussed regulation of alveolar bone development and bone loss by oral microbiota under physiological and pathological conditions. We also focused on the signaling pathways involved in oral osteomicrobiology and discussed the bridging role of osteoimmunity and influencing factors in this process. Finally, the critical techniques for osteomicrobiological investigations were introduced.
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Affiliation(s)
- Xingqun Cheng
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Xuedong Zhou
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Chengcheng Liu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Xin Xu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
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Antimicrobial Properties of Strontium Functionalized Titanium Surfaces for Oral Applications, A Systematic Review. COATINGS 2021. [DOI: 10.3390/coatings11070810] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The aim of this systematic review was to assess the current scientific evidence of the antimicrobial potential of strontium (Sr) when used to functionalize titanium (Ti) for oral applications. Out of an initial list of 1081 potentially relevant publications identified in three electronic databases (MEDLINE via PubMed, Scopus, and Cochrane) up to 1 February 2021, nine publications based on in vitro studies met the inclusion criteria. The antimicrobial potential of Sr was investigated on different types of functionalized Ti substrates, employing different application methods. Nine studies reported on the early, i.e., 6–24 h, and two studies on the late, i.e., 7–28 days, antimicrobial effect of Sr, primarily against Staphylococcus aureus (S. aureus) and/or Escherichia coli (E. coli). Sr-modified samples demonstrated relevant early antimicrobial potential against S. aureus in three studies; only one of which presented statistical significance values, while the other two presented only the percentage of antimicrobial rate and biofilm inhibition. A relevant late biofilm inhibition potential against S. aureus of 40% and 10%—after 7 and 14 days, respectively—was reported in one study. Combining Sr with other metal ions, i.e., silver (Ag), zinc (Zn), and fluorine (F), demonstrated a significant antimicrobial effect and biofilm inhibition against both S. aureus and E. coli. Sr ion release within the first 24 h was generally low, i.e., below 50 µg/L and 0.6 ppm; however, sustained Sr ion release for up to 30 days, while maintaining up to 90% of its original content, was also demonstrated. Thus, in most studies included herein, Sr-functionalized Ti showed a limited immediate (i.e., 24 h) antimicrobial effect, likely due to a low Sr ion release; however, with an adequate Sr ion release, a relevant antimicrobial effect, as well as a biofilm inhibition potential against S. aureus—but not E. coli—was observed at both early and late timepoints. Future studies should assess the antimicrobial potential of Ti functionalized with Sr against multispecies biofilms associated with peri-implantitis.
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Korsch M, Marten SM, Stoll D, Prechtl C, Dötsch A. Microbiological findings in early and late implant loss: an observational clinical case-controlled study. BMC Oral Health 2021; 21:112. [PMID: 33706748 PMCID: PMC7948356 DOI: 10.1186/s12903-021-01439-w] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Accepted: 02/14/2021] [Indexed: 12/30/2022] Open
Abstract
Background Implants are a predictable and well-established treatment method in dentistry. Nevertheless, looking at possible failures of dental implants, early and late loss have to be distinguished. The intent of the study was to report microbiological findings on the surface of implants with severe peri-implantitis, which had to be explanted. Methods 53 specimens of implants from 48 patients without severe general illnesses have been examined. The groups investigated were implants that had to be removed in the period of osseointegration (early loss, 13 patients with 14 implants) or after the healing period (late loss, 14 patients with 17 implants). The implant losses were compared with two control groups (implants with no bone loss directly after completed osseointegration, two to four months after implant placement (17 patients with 17 implants) and implants with no bone loss and prosthetic restoration for more than three years (5 patients with 5 implants)). Data about the bacteria located in the peri-implant sulcus was collected using amplification and high throughput sequencing of the 16S rRNA gene. Results The biofilm composition differed substantially between individuals. Both in early and late implant loss, Fusobacterium nucleatum and Porphyromonas gingivalis were found to be abundant. Late lost implants showed higher bacterial diversity and in addition higher abundances of Treponema, Fretibacterium, Pseudoramibacter and Desulfobulbus, while microbial communities of early loss implants were very heterogeneous and showed no significantly more abundant bacterial taxa. Conclusions Specific peri-implant pathogens were found around implants that were lost after a primarily uneventful osseointegration. P. gingivalis and F. nucleatum frequently colonized the implant in early and late losses and could therefore be characteristic for implant loss in general. In general, early lost implants showed also lower microbial diversity than late losses. However, the microbial results were not indicative of the causes of early and late losses.
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Affiliation(s)
- Michael Korsch
- Dental Academy for Continuing Professional Development, Karlsruhe, Lorenzstrasse 7, 76135, Karlsruhe, Germany. .,Center for Implantology and Oral Surgery, Berliner Straße 41, 69120, Heidelberg, Germany. .,Clinic of Operative Dentistry, Periodontology and Preventive Dentistry, University Hospital, Saarland University, Building 73, 66421, Homburg, Germany.
| | - Silke-Mareike Marten
- Institute of Functional Interfaces, Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany
| | - Dominic Stoll
- Department of Safety and Quality of Fruit and Vegetables, Max Rubner-Institut, Karlsruhe, Germany
| | - Christopher Prechtl
- Dental Academy for Continuing Professional Development, Karlsruhe, Lorenzstrasse 7, 76135, Karlsruhe, Germany.,Center for Implantology and Oral Surgery, Berliner Straße 41, 69120, Heidelberg, Germany
| | - Andreas Dötsch
- Institute of Functional Interfaces, Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany.,Department of Physiology and Biochemistry of Nutrition, Max Rubner-Institut, Karlsruhe, Germany
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Ghensi P, Manghi P, Zolfo M, Armanini F, Pasolli E, Bolzan M, Bertelle A, Dell'Acqua F, Dellasega E, Waldner R, Tessarolo F, Tomasi C, Segata N. Strong oral plaque microbiome signatures for dental implant diseases identified by strain-resolution metagenomics. NPJ Biofilms Microbiomes 2020; 6:47. [PMID: 33127901 PMCID: PMC7603341 DOI: 10.1038/s41522-020-00155-7] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2020] [Accepted: 10/02/2020] [Indexed: 12/11/2022] Open
Abstract
Dental implants are installed in an increasing number of patients. Mucositis and peri-implantitis are common microbial-biofilm-associated diseases affecting the tissues that surround the dental implant and are a major medical and socioeconomic burden. By metagenomic sequencing of the plaque microbiome in different peri-implant health and disease conditions (113 samples from 72 individuals), we found microbial signatures for peri-implantitis and mucositis and defined the peri-implantitis-related complex (PiRC) composed by the 7 most discriminative bacteria. The peri-implantitis microbiome is site specific as contralateral healthy sites resembled more the microbiome of healthy implants, while mucositis was specifically enriched for Fusobacterium nucleatum acting as a keystone colonizer. Microbiome-based machine learning showed high diagnostic and prognostic power for peri-implant diseases and strain-level profiling identified a previously uncharacterized subspecies of F. nucleatum to be particularly associated with disease. Altogether, we associated the plaque microbiome with peri-implant diseases and identified microbial signatures of disease severity.
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Affiliation(s)
- Paolo Ghensi
- Department CIBIO, University of Trento, Trento, Italy
| | - Paolo Manghi
- Department CIBIO, University of Trento, Trento, Italy
| | - Moreno Zolfo
- Department CIBIO, University of Trento, Trento, Italy
| | | | | | - Mattia Bolzan
- Department CIBIO, University of Trento, Trento, Italy.,PreBiomics S.r.l., Trento, Italy
| | | | | | | | | | - Francesco Tessarolo
- Department of Industrial Engineering, University of Trento, Trento, Italy.,Healthcare Research and Innovation Program (IRCS-FBK-PAT), Bruno Kessler Foundation, Trento, Italy
| | - Cristiano Tomasi
- Department of Periodontology, Institute of Odontology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Nicola Segata
- Department CIBIO, University of Trento, Trento, Italy.
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Jiang Y, Zhou X, Cheng L, Li M. The Impact of Smoking on Subgingival Microflora: From Periodontal Health to Disease. Front Microbiol 2020; 11:66. [PMID: 32063898 PMCID: PMC7000377 DOI: 10.3389/fmicb.2020.00066] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Accepted: 01/13/2020] [Indexed: 02/05/2023] Open
Abstract
Periodontal disease is one of the most common diseases of the oral cavity affecting up to 90% of the worldwide population. Smoking has been identified as a major risk factor in the development and progression of periodontal disease. It is essential to assess the influence of smoking on subgingival microflora that is the principal etiological factor of the disease to clarify the contribution of smoking to periodontal disease. Therefore, this article reviews the current research findings regarding the impact of smoking on subgingival microflora and discusses several potential mechanisms. Cultivation-based and targeted molecular approaches yield controversial results in determining the presence or absence of smoking-induced differences in the prevalence or levels of certain periodontal pathogens, such as the “red complex.” However, substantial changes in the subgingival microflora of smokers, regardless of their periodontal condition (clinical health, gingivitis, or periodontitis), have been demonstrated in recent microbiome studies. Available literature suggests that smoking facilitates early acquisition and colonization of periodontal pathogens, resulting in an “at-risk-for-harm” subgingival microbial community in the healthy periodontium. In periodontal diseases, the subgingival microflora in smokers is characterized by a pathogen-enriched community with lower resilience compared to that in non-smokers, which increases the difficulty of treatment. Biological changes in key pathogens, such as Porphyromonas gingivalis, together with the ineffective host immune response for clearance, might contribute to alterations in the subgingival microflora in smokers. Nonetheless, further studies are necessary to provide solid evidence for the underlying mechanisms.
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Affiliation(s)
- Yaling Jiang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,Department of Operative Dentistry and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Xuedong Zhou
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,Department of Operative Dentistry and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Lei Cheng
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,Department of Operative Dentistry and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Mingyun Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
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Porphyromonas Gingivalis Load is Balanced by 0.20% Chlorhexidine Gel. A Randomized, Double-Blind, Controlled, Microbiological and Immunohistochemical Human Study. J Clin Med 2020; 9:jcm9010284. [PMID: 31968610 PMCID: PMC7019967 DOI: 10.3390/jcm9010284] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 01/09/2020] [Accepted: 01/16/2020] [Indexed: 12/17/2022] Open
Abstract
Microbial contamination could compromise the stability of dental implants increasing the risk of inflammatory reactions in the surrounding soft tissues. In this human, randomized, double-blind, clinical study, the presence of Porphyromonas gingivalis on the healing abutment and the inflammatory infiltrate surrounding peri-implant soft tissues were investigated. Experiments were done in order to clarify the effect of 0.20% chlorhexidine (CHX) versus placebo, applied during each rehabilitation stage. Thirty patients (15 per group) were included. The load of adhering P. gingivalis on the healing screw were quantified by quantitative Polymerase Chain Reaction (qPCR) Taq-Man. Immunohistochemical analysis was carried out on the gingival biopsy. Moreover, clinical data were recorded. Analysis of variance and the Holm-Sidak test was used to evaluate differences between groups. The results showed a significant low presence of P. gingivalis load in healing abutments belonging to the 0.20% CHX group. Overall, the differences in terms of P. gingivalis DNA copy number between two groups were statistically significant (p < 0.01). All implants showed very low plaque and bleeding scores, but the placebo group appeared to have the highest expression of inflammation markers for T Lymphocytes, B Lymphocytes and macrophages Cluster definitions (CD3, CD20 and CD68). The use of 0.20% CHX could be recommended in all clinical procedures as it reduces significantly P. gingivalis load and host inflammatory response around implants.
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Naghshbandi J. The influence of local and systemic factors upon dental implant osseointegration: A critical review. SAUDI JOURNAL OF ORAL SCIENCES 2020. [DOI: 10.4103/sjos.sjoralsci_79_19] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Zhang Q, Liu J, Ma L, Bai N, Xu H. LOX-1 is involved in TLR2 induced RANKL regulation in peri-implantitis. Int Immunopharmacol 2019; 77:105956. [PMID: 31655342 DOI: 10.1016/j.intimp.2019.105956] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Revised: 09/13/2019] [Accepted: 09/30/2019] [Indexed: 02/06/2023]
Abstract
PURPOSE To explore whether receptor activator of nuclear factor kappa-B ligand (RANKL) is involved in the nosogenesis of peri-implantitis and to reveal the regulatory mechanism in Porphyromonas gingivalis induced RANKL production. METHODS Therefore, we collected peri-implant crevicular fluid (PICF) and gingival tissues from healthy implants and peri-implantitis patients. The expression of RANKL in samples was tested by ELISA, Western blot and immunofluorescence staining. The production of RANKL in THP-1 macrophages stimulated with P. gingivalis was detected by qRT-PCR and Western blot. Then macrophages were pre-treated with neutralizing antibodies of Toll-like receptor 2 (TLR2) or lectin-type oxidized LDL receptor 1 (LOX-1) and inhibitors of TLR2, LOX-1 or Erk1/2 before P. gingivalis stimulation to evaluate the roles of TLR2, LOX-1 and Erk1/2 in RANKL production by qRT-PCR and Western blot. RESULTS The protein level of RANKL was higher in PICF of peri-implantitis patients than healthy implants. We observed increased RANKL expression in P. gingivalis infected macrophages compared to controls. RANKL induced by P. gingivalis stimulation was mediated by TLR2 and Erk1/2 signaling pathway in THP-1 macrophages. LOX-1 is involved in TLR2 induced RANKL expression. CONCLUSION RANKL was involved in peri-implantitis, and regulated by TLR2, LOX-1 and Erk1/2 signaling against P. gingivalis infection. As the novel inflammation pathway triggers, TLR2 and LOX-1 which mediate RANKL production seems to be potential drug targets of peri-implantitis.
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Affiliation(s)
- Qian Zhang
- Department of Prosthodontics, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China.
| | - Jie Liu
- Department of Prosthodontics, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Lei Ma
- Department of Prosthodontics, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Na Bai
- Department of Prosthodontics, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Huirong Xu
- Department of Pathology, ZiBo Central Hospital, ZiBo, Shandong Province, China
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Effect of Novel Micro-Arc Oxidation Implant Material on Preventing Peri-Implantitis. COATINGS 2019. [DOI: 10.3390/coatings9110691] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Dental implants occasionally fail for many reasons, especially peri-implantitis. The adhesion of bacteria to the surface of titanium is the initial factor in peri-implantitis. Therefore, the aim of this study was to assess the effect of a novel micro-arc oxidation (MAO) titanium on bacteria inhibition and regulation through periodontitis, and on a healthy saliva-derived biofilm, in vitro. MAO, sandblasting and acid etching (SLA), machined titanium and plasma-sprayed hydroxyapatite (HA) were selected for further study. The metabolic activity and biomass accumulation were tested using MTT (3-(4,5-Dimethyl-thiazol-2-yl)-2,5-diphenyltetrazolium bromide) and crystal violet assay after 24 h of anaerobic incubation. The structure was determined by scanning electron microscopy (SEM) and live/dead staining. Moreover, 16S rDNA sequencing was used to assess the microbial community. The results showed that biofilms on MAO were thinner compared to HA and SLA. In the periodontitis group, the biofilm accumulation and metabolic activity reached the highest levels in the HA group (p < 0.05); MAO titanium had the smallest biofilm accumulation and higher live/dead ratio; and the relative abundance of Lactobacillus in the SLA, HA and MAO groups increased significantly compared to the machined group (p < 0.05). In the healthy group, the relative abundance of Lactobacillus in the MAO group increased significantly compared to the other three groups (p < 0.05); the amount and metabolism activity of bacteria in the MAO group was lower (p < 0.05); MAO titanium had the least biofilm accumulation and a higher live/dead ratio. In conclusion, the novel MAO titanium had the ability to combat peri-implantitis by inhibiting the biofilm and regulating the microbial ecosystem to healthier conditions.
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Retamal-Valdes B, Formiga MDC, Almeida ML, Fritoli A, Figueiredo KA, Westphal M, Gomes P, Feres M. Does subgingival bacterial colonization differ between implants and teeth? A systematic review. Braz Oral Res 2019; 33:e064. [PMID: 31576948 DOI: 10.1590/1807-3107bor-2019.vol33.0064] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Accepted: 06/13/2019] [Indexed: 12/13/2022] Open
Abstract
The aim was of this study was to determine the current weight of evidence for the existence of specific differences between the microbiota of healthy teeth and healthy implants, or of teeth with periodontitis and implants with peri-implantitis. A systematic review was conducted according to the PRISMA statement. The MEDLINE, EMBASE and Cochrane databases were searched up to February 2018 for studies comparing microbiological data of biofilm samples collected from healthy teeth and implants or from teeth with periodontitis and implants with peri-implantitis. The weight of evidence was defined in three categories (strong, moderate and mild/some), according to the difference in number of studies showing statistically significantly higher counts and/or proportions and/or abundance and/or prevalence of microorganisms in health or in disease. Of the 132 articles identified, 8 were included. A wide range of microorganisms were present in different conditions but no microorganisms showed strong, moderate or mild/some evidence for a specific association with either teeth or implants. The results of this systematic review indicated that there is insufficient evidence in the literature to support specific differences between microorganisms colonizing teeth and implants, either in health or in disease.
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Affiliation(s)
- Belén Retamal-Valdes
- Universidade de Guarulhos - UNG, Dental Research Division, Department of Periodontology and Oral Implantology, Guarulhos, SP, Brazil
| | - Marcio de Carvalho Formiga
- Universidade de Guarulhos - UNG, Dental Research Division, Department of Periodontology and Oral Implantology, Guarulhos, SP, Brazil
| | - Mariana Linhares Almeida
- Universidade de Guarulhos - UNG, Dental Research Division, Department of Periodontology and Oral Implantology, Guarulhos, SP, Brazil
| | - Aretuza Fritoli
- Universidade de Guarulhos - UNG, Dental Research Division, Department of Periodontology and Oral Implantology, Guarulhos, SP, Brazil
| | - Kadmo Azevedo Figueiredo
- Universidade de Guarulhos - UNG, Dental Research Division, Department of Periodontology and Oral Implantology, Guarulhos, SP, Brazil
| | - Miriam Westphal
- Universidade de Guarulhos - UNG, Dental Research Division, Department of Periodontology and Oral Implantology, Guarulhos, SP, Brazil
| | - Patricia Gomes
- Universidade de Guarulhos - UNG, Dental Research Division, Department of Periodontology and Oral Implantology, Guarulhos, SP, Brazil
| | - Magda Feres
- Universidade de Guarulhos - UNG, Dental Research Division, Department of Periodontology and Oral Implantology, Guarulhos, SP, Brazil
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21
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Costa FO, Ferreira SD, Cortelli JR, Lima RPE, Cortelli SC, Cota LOM. Microbiological profile associated with peri-implant diseases in individuals with and without preventive maintenance therapy: a 5-year follow-up. Clin Oral Investig 2018; 23:3161-3171. [DOI: 10.1007/s00784-018-2737-y] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2018] [Accepted: 10/02/2018] [Indexed: 12/31/2022]
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22
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Pimentel SP, Fontes M, Ribeiro FV, Corrêa MG, Nishii D, Cirano FR, Casati MZ, Casarin RCV. Smoking habit modulates peri-implant microbiome: A case-control study. J Periodontal Res 2018; 53:983-991. [DOI: 10.1111/jre.12597] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2018] [Revised: 05/22/2018] [Accepted: 07/12/2018] [Indexed: 02/06/2023]
Affiliation(s)
- Suzana P. Pimentel
- Dental Research Division; School of Dentistry; Paulista University; São Paulo SP Brazil
| | - Melline Fontes
- Life Sciences Core Facility (LaCTAD); University of Campinas (UNICAMP); Campinas Brazil
| | - Fernanda V. Ribeiro
- Dental Research Division; School of Dentistry; Paulista University; São Paulo SP Brazil
| | - Mônica G. Corrêa
- Dental Research Division; School of Dentistry; Paulista University; São Paulo SP Brazil
| | - Denise Nishii
- Dental Research Division; School of Dentistry; Paulista University; São Paulo SP Brazil
| | - Fabiano R. Cirano
- Dental Research Division; School of Dentistry; Paulista University; São Paulo SP Brazil
| | - Marcio Z. Casati
- Dental Research Division; School of Dentistry; Paulista University; São Paulo SP Brazil
| | - Renato C. V. Casarin
- Dental Research Division; School of Dentistry; Paulista University; São Paulo SP Brazil
- Department of Periodontics and Prosthodontics; Piracicaba Dental School; University of Campinas (UNICAMP); Piracicaba Brazil
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Tavares LJ, de Avila ED, Klein MI, Panariello BHD, Spolidório DMP, Pavarina AC. Antimicrobial photodynamic therapy alone or in combination with antibiotic local administration against biofilms of Fusobacterium nucleatum and Porphyromonas gingivalis. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2018; 188:135-145. [PMID: 30267963 DOI: 10.1016/j.jphotobiol.2018.09.010] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2018] [Revised: 09/05/2018] [Accepted: 09/11/2018] [Indexed: 12/18/2022]
Abstract
Antimicrobial photodynamic therapy (aPDT) kills several planktonic pathogens. However, the susceptibility of biofilm-derived anaerobic bacteria to aPDT is poorly characterized. Here, we evaluated the effect of Photodithazine (PDZ)-mediated aPDT on Fusobacterium nucleatum and Porphyromonas gingivalis biofilms. In addition, aPDT was tested with metronidazole (MTZ) to explore the potential antimicrobial effect of the treatment. The minimum inhibitory concentration (MIC) of MTZ was defined for each bacterial species. Single-species biofilms of each species were grown on polystyrene plates under anaerobic conditions for five days. aPDT was performed by applying PDZ at concentrations of 50, 75 and 100 mg/L, followed by exposure to 50 J/cm2 LED light (660 nm) with or without MTZ. aPDT exhibited a significant reduction in bacterial viability at a PDZ concentration of 100 mg/L, with 1.12 log10 and 2.66 log10 reductions for F. nucleatum and P. gingivalis in biofilms, respectively. However, the antimicrobial effect against F. nucleatum was achieved only when aPDT was combined with MTZ at 100× MIC. Regarding P. gingivalis, the combination of PDZ-mediated aPDT at 100 mg/L with MTZ 100× MIC resulted in a 5 log10 reduction in the bacterial population. The potential antimicrobial effects of aPDT in combination with MTZ for both single pathogenic biofilms were confirmed by live/dead staining. These results suggest that localized antibiotic administration may be an adjuvant to aPDT to control F. nucleatum and P. gingivalis biofilms.
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Affiliation(s)
- Lívia J Tavares
- Department of Dental Materials and Prosthodontics, São Paulo State University (Unesp), School of Dentistry, Araraquara, Rua Humaitá, 1680, 14801-903 Araraquara, SP, Brazil
| | - Erica D de Avila
- Department of Dental Materials and Prosthodontics, São Paulo State University (Unesp), School of Dentistry, Araraquara, Rua Humaitá, 1680, 14801-903 Araraquara, SP, Brazil
| | - Marlise I Klein
- Department of Dental Materials and Prosthodontics, São Paulo State University (Unesp), School of Dentistry, Araraquara, Rua Humaitá, 1680, 14801-903 Araraquara, SP, Brazil
| | - Beatriz H D Panariello
- Department of Cariology, Operative Dentistry and Dental Public Health, Indiana University School of Dentistry, 1121 W Michigan St, DS406, Indianapolis, IN 46202, USA
| | - Denise M P Spolidório
- Department of Physiology and Pathology, São Paulo State University (Unesp), School of Dentistry, Araraquara, Rua Humaitá, 1680, 14801-903, Araraquara, SP, Brazil
| | - Ana Cláudia Pavarina
- Department of Dental Materials and Prosthodontics, São Paulo State University (Unesp), School of Dentistry, Araraquara, Rua Humaitá, 1680, 14801-903 Araraquara, SP, Brazil.
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Abduljabbar T, Al-Hamoudi N, AlQunayan M, AlAhmari A, AlMalki A, Gholamiazizi E, Vohra F. Peri-implant soft-tissue parameters and crestal bone levels among narghile smokers and nonsmokers. Inhal Toxicol 2018; 29:457-461. [PMID: 29124995 DOI: 10.1080/08958378.2017.1394401] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
This retrospective convenient sample case-control study investigated the peri-implant soft-tissue inflammatory parameters and crestal bone loss (CBL) among narghile smokers (NS) (Group I) and nonsmoking controls (Group II). Demographic data were collected using a questionnaire. Peri-implant plaque index (PI), bleeding-on-probing (BOP) and pocket-depth (PD) were assessed; and peri-implant CBL was measured on standardized digital bite-wing radiographs. Sample-size was estimated and statistical analysis were done using Mann-Whitney U-test. Level of significance was set at p < .05. Seventy-two male individuals (35 in Group I and 37 in Group II) were included. The mean age of individuals in Groups I and II were 45.3 ± 5.2 and 42.6 ± 3.3 years, correspondingly. In Group 1, the duration and daily frequency of narghile smoking was 17.5 ± 1.6 years and 6.3 ± 0.5 times per day, respectively. The mean duration of each narghile smoking session was 28.5 ± 0.6 min. The mean peri-implant PI (p < .05), PD (p < .05) and mesial (p < .05) and distal (p < .05) CBL were statistically significantly higher among individuals in Group I compared with Group II. BOP was significantly higher in Group II than Group I (p < .05). Narghile smoking increases peri-implant soft-tissue inflammation and CBL.
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Affiliation(s)
- Tariq Abduljabbar
- a Department of Prosthetic Dental Sciences , College of Dentistry, King Saud University , Riyadh , Saudi Arabia
| | - Nawaf Al-Hamoudi
- b Department of Periodontics and Community Dentistry , College of Dentistry, King Saud University , Riyadh , Saudi Arabia
| | - Muath AlQunayan
- c Department of General Dentistry , College of Dentistry, King Saud University , Riyadh , Saudi Arabia
| | - Abdullah AlAhmari
- c Department of General Dentistry , College of Dentistry, King Saud University , Riyadh , Saudi Arabia
| | - Alwaleed AlMalki
- c Department of General Dentistry , College of Dentistry, King Saud University , Riyadh , Saudi Arabia
| | - Elham Gholamiazizi
- d Department of Mechanical Engineering , Capital College, Pennsylvania State University , Pennsylvania , PA , USA
| | - Fahim Vohra
- a Department of Prosthetic Dental Sciences , College of Dentistry, King Saud University , Riyadh , Saudi Arabia
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Zhou L, Shi J, Zhu Y, Qian S, Lai H, Gu Y. The effect of photodynamic therapy on pathogenic bacteria around peri‐implant sulcus and in the cavity between abutment and implant after healing phase: A prospective clinical study. Lasers Surg Med 2018; 50:433-439. [DOI: 10.1002/lsm.22929] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/10/2018] [Indexed: 12/30/2022]
Affiliation(s)
- Lin‐Yi Zhou
- Department of Oral and Maxillofacial ImplantologyShanghai Ninth People's HospitalSchool of MedicineShanghai Institute of StomatologyShanghai Jiao Tong University639 Zhizaoju RoadShanghai200011China
| | - Jun‐Yu Shi
- Department of Oral and Maxillofacial ImplantologyShanghai Ninth People's HospitalSchool of MedicineShanghai Institute of StomatologyShanghai Jiao Tong University639 Zhizaoju RoadShanghai200011China
| | - Yu Zhu
- Department of Oral and Maxillofacial ImplantologyShanghai Ninth People's HospitalSchool of MedicineShanghai Institute of StomatologyShanghai Jiao Tong University639 Zhizaoju RoadShanghai200011China
| | - Shu‐Jiao Qian
- Department of Oral and Maxillofacial ImplantologyShanghai Ninth People's HospitalSchool of MedicineShanghai Institute of StomatologyShanghai Jiao Tong University639 Zhizaoju RoadShanghai200011China
| | - Hong‐Chang Lai
- Department of Oral and Maxillofacial ImplantologyShanghai Ninth People's HospitalSchool of MedicineShanghai Institute of StomatologyShanghai Jiao Tong University639 Zhizaoju RoadShanghai200011China
| | - Ying‐Xin Gu
- Department of Oral and Maxillofacial ImplantologyShanghai Ninth People's HospitalSchool of MedicineShanghai Institute of StomatologyShanghai Jiao Tong University639 Zhizaoju RoadShanghai200011China
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Oral bacterial colonization on dental implants restored with titanium or zirconia abutments: 6-month follow-up. Clin Oral Investig 2018; 22:2335-2343. [DOI: 10.1007/s00784-018-2334-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2017] [Accepted: 01/02/2018] [Indexed: 12/14/2022]
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Comprehensive Treatment of Severe Periodontal and Periimplant Bone Destruction Caused by Iatrogenic Factors. Case Rep Dent 2018; 2018:7174608. [PMID: 29666713 PMCID: PMC5870113 DOI: 10.1155/2018/7174608] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2017] [Accepted: 12/03/2017] [Indexed: 11/29/2022] Open
Abstract
Dental implant success requires placement after periodontal therapy, with adequate bone volume, plaque control, primary stability, control of risk factors, and use of well-designed prostheses. This report describes the surgical and prosthetic management of a patient with severe iatrogenic periodontal/periimplant bone destruction. Methods. A 55-year-old female smoker with fixed partial dentures (FPDs) supported on teeth and implants presented with oral pain, swelling, bleeding, and a 10-year history of multiple implant placements and implants/prosthesis failures/replacements. Radiographs showed severe bone loss, subgingival caries, and periapical lesions. All implants and teeth were removed except implants #4 and #10 which served to retain an interim maxillary restoration. Bone defects were covered with nonresorbable dPTFE membranes. In the mandible, three new implants were placed and loaded immediately with a bar-retained temporary denture. Results. Seven months postoperatively, the bone defects were regenerated, and three additional mandibular implants were placed. All mandibular implants were splinted and loaded with a removable overdenture. Conclusions. In this case, periimplant infection and tissue destruction resulted from the lack of periodontal treatment/maintenance and failure to use evidence-based surgical and loading protocols. Combination therapy resolved the disease and the patient's severe discomfort while providing immediate function and an aesthetic solution.
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Che C, Liu J, Ma L, Xu H, Bai N, Zhang Q. LOX-1 is involved in IL-1β production and extracellular matrix breakdown in dental peri-implantitis. Int Immunopharmacol 2017; 52:127-135. [PMID: 28898769 DOI: 10.1016/j.intimp.2017.09.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Revised: 09/04/2017] [Accepted: 09/06/2017] [Indexed: 12/13/2022]
Abstract
PURPOSE To explore whether lectin-type oxidized LDL receptor 1 (LOX-1), interleukin 1 beta (IL-1β), matrix metalloproteinase 2 (MMP2) and matrix metalloproteinase 9 (MMP9) are involved in the nosogenesis of human dental peri-implantitis and determine the role of LOX-1 in IL-1β, MMP2 and MMP9 production in response to Porphyromonas gingivalis. METHODS Peri-implant crevicular fluid (PICF) was collected from ten patients with healthy implants and ten patients with peri-implantitis. The LOX-1 protein in PICF was detected by Western-blot, and the expression of LOX-1 in superficial gingiva of peri-implantitis patients was detected by immunofluorescence staining. The IL-1β, MMP2 and MMP9 proteins in PICF were detected by enzyme-linked immunosorbent assay (ELISA). THP-1 macrophages were pretreated with neutralizing antibody (LOX-1) and inhibitors (LOX-1 and c-Jun N-terminal kinase, JNK) to evaluate the role of LOX-1 and JNK in IL-1β production, as well as the role of LOX-1 in MMP2 and MMP9 production in response to P. gingivalis by quantitative polymerase chain reaction (RT-PCR) and Western-blot. RESULTS LOX-1, IL-1β, MMP2 and MMP9 increased in PICF of peri-implantitis patients and in THP-1 macrophages on P. gingivalis stimulation. IL-1β, MMP2 and MMP9 production in response to P. gingivalis in THP-1 macrophages was dependent on LOX-1. JNK was responsible for LOX-1 induced IL-1β production as a result of P. gingivalis infection. CONCLUSION LOX-1 is involved in IL-1β production and extracellular matrix breakdown is a novel inflammatory pathway trigger and potential drug target in human dental peri-implantitis.
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Affiliation(s)
- Chengye Che
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Jie Liu
- Department of Prosthodontics, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Lei Ma
- Department of Prosthodontics, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Huirong Xu
- Department of Pathology, ZiBo Central Hospital, ZiBo, Shandong Province, China
| | - Na Bai
- Department of Prosthodontics, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Qian Zhang
- Department of Prosthodontics, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China.
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