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- 주제어 : Peri-implantitis (검색결과 197 건)
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고미선,홍은진,장문택 대한치주과학회 2017 Journal of Periodontal & Implant Science Vol.47 No.4
Purpose: The aim of this study was to analyze the prevalence and risk indicators of peri-implantitis in Korean patients with history of periodontal disease. Methods: A total of 444 patients with 1,485 implants were selected from patients who had been treated at the Department of Periodontology, Chonbuk National University Dental Hospital between July 2014 and June 2015. A group with a history of peri-implantitis (HP) (370 patients with 1,189 implants) and a group with a current peri-implantitis (CP) (318 patients with 1,004 implants) were created based on the radiographic and clinical assessments of implants. The prevalence of peri-implantitis was calculated at both the patient and implant levels. The influence of risk variables on the occurrence of peri-implantitis was analyzed using generalized estimating equations analysis. Results: The prevalence of peri-implantitis in the HP and CP groups ranged from 6.7% to 19.7%. The cumulative peri-implantitis rate in the HP group estimated with the Kaplan-Meier method was higher than that in the CP group over the follow-up period. Among the patient-related risk variables, supportive periodontal therapy (SPT) was the only significant risk indicator for the occurrence of peri-implantitis in both groups. In the analysis of implant-related variables, implants supporting fixed dental prosthesis (FDP) and implants with subjective discomfort was associated with a higher prevalence of peri-implantitis than single implants and implants without subjective discomfort in the HP group. The presence of subjective discomfort was the only significant implant-related variable predictive of peri-implantitis in the CP group. Conclusions: Within the limitations of this study, the prevalence of peri-implantitis in Korean patients with a history of periodontal disease was similar to that reported in other population samples. Regular SPT was important for preventing peri-implantitis. Single implants were found to be less susceptible to peri-implantitis than those supporting FDP. Patients' subjective discomfort was found to be a strong risk indicator for peri-implantitis.
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Mi-Seon Goh,Ji-Hye Kim,Moontaek Chang 대한치과의사협회 2021 대한치과의사협회지 Vol.59 No.9
The aim of this study was to analyze the influence of implant location on the prevalence of peri-implantitis by within-subjects comparison of healthy and peri-implantitis affected implants in patients with peri-implantitis. To be included for this study, the patient should have at least one peri-implantitis affected implant and one healthy implant. Following clinical and radiographic assessments for peri-implantitis, 56 patients with 89 peri-implantitis affected implants and 249 healthy implants were included in this study. Influences of implant location variables including jaw position, tooth type, tooth position, and tooth adjacent to the implant on the prevalence of peri-implantitis were assessed using a multilevel analysis. Implants placed in the maxillary jaw showed 2 times higher frequency of peri-implantitis than those placed in the mandibular jaw. Implants with absence of adjacent tooth were twice more likely to be affected by peri-implantitis than those with presence of an adjacent tooth. Sub-group analysis for the combination of jaw and position variables revealed that implants in the maxillary anterior position showed significantly higher prevalence rate of peri-implantitis than those in the mandibular anterior position. Within limitations of the present study, patients showed significant increase in the prevalence rate of peri-implantitis when the implant was placed in the maxillary jaw or when tooth adjacent to the implant was absent. In addition, the presence of tooth seemed to provide positive effect on the occurrence of peri-implantitis at the adjacent implant.
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Goh, Mi-Seon,Hong, Eun-Jin,Chang, Moontaek Korean Academy of Periodontology 2017 Journal of Periodontal & Implant Science Vol.47 No.4
Purpose: The aim of this study was to analyze the prevalence and risk indicators of peri-implantitis in Korean patients with history of periodontal disease. Methods: A total of 444 patients with 1,485 implants were selected from patients who had been treated at the Department of Periodontology, Chonbuk National University Dental Hospital between July 2014 and June 2015. A group with a history of peri-implantitis (HP) (370 patients with 1,189 implants) and a group with a current peri-implantitis (CP) (318 patients with 1,004 implants) were created based on the radiographic and clinical assessments of implants. The prevalence of peri-implantitis was calculated at both the patient and implant levels. The influence of risk variables on the occurrence of peri-implantitis was analyzed using generalized estimating equations analysis. Results: The prevalence of peri-implantitis in the HP and CP groups ranged from 6.7% to 19.7%. The cumulative peri-implantitis rate in the HP group estimated with the Kaplan-Meier method was higher than that in the CP group over the follow-up period. Among the patient-related risk variables, supportive periodontal therapy (SPT) was the only significant risk indicator for the occurrence of peri-implantitis in both groups. In the analysis of implant-related variables, implants supporting fixed dental prosthesis (FDP) and implants with subjective discomfort was associated with a higher prevalence of peri-implantitis than single implants and implants without subjective discomfort in the HP group. The presence of subjective discomfort was the only significant implant-related variable predictive of peri-implantitis in the CP group. Conclusions: Within the limitations of this study, the prevalence of peri-implantitis in Korean patients with a history of periodontal disease was similar to that reported in other population samples. Regular SPT was important for preventing peri-implantitis. Single implants were found to be less susceptible to peri-implantitis than those supporting FDP. Patients' subjective discomfort was found to be a strong risk indicator for peri-implantitis.
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Sven Rinke,Marc Nordlohne,Andreas Leha,Stefan Renvert,Gerhard Schmalz,Dirk Ziebolz 대한치주과학회 2020 Journal of Periodontal & Implant Science Vol.50 No.3
Purpose: This practice-based cross-sectional study aimed to investigate whether common risk indicators for peri-implant diseases were associated with peri-implant mucositis and peri-implantitis in patients undergoing supportive implant therapy (SIT) at least 5 years after implant restoration. Methods: Patients exclusively restored with a single implant type were included. Probing pocket depth (PPD), bleeding on probing (BOP), suppuration, and radiographic bone loss (RBL) were assessed around implants. The case definitions were as follows: peri-implant mucositis: PPD ≥4 mm, BOP, no RBL; and peri-implantitis: PPD ≥5 mm, BOP, RBL ≥3.5 mm. Possible risk indicators were compared between patients with and without mucositis and peri-implantitis using the Fisher exact test and the Wilcoxon rank-sum test, as well as a multiple logistic regression model for variables showing significance (P<0.05). Results: Eighty-four patients with 169 implants (observational period: 5.8±0.86 years) were included. A patient-based prevalence of 52% for peri-implant mucositis and 18% for peri-implantitis was detected. The presence of 3 or more implants (odds ratio [OR], 4.43; 95 confidence interval [CI], 1.36–15.05; P=0.0136) was significantly associated with an increased risk for mucositis. Smoking was significantly associated with an increased risk for peri-implantitis (OR, 5.89; 95% CI, 1.27–24.58; P=0.0231), while the presence of keratinized mucosa around implants was associated with a lower risk for peri-implantitis (OR, 0.05; 95% CI, 0.01–0.25; P<0.001). Conclusions: The number of implants should be considered in strategies to prevent mucositis. Furthermore, smoking and the absence of keratinized mucosa were the strongest risk indicators for peri-implantitis in patients undergoing SIT in the present study.
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Rinke, Sven,Nordlohne, Marc,Leha, Andreas,Renvert, Stefan,Schmalz, Gerhard,Ziebolz, Dirk Korean Academy of Periodontology 2020 Journal of Periodontal & Implant Science Vol.50 No.3
Purpose: This practice-based cross-sectional study aimed to investigate whether common risk indicators for peri-implant diseases were associated with peri-implant mucositis and peri-implantitis in patients undergoing supportive implant therapy (SIT) at least 5 years after implant restoration. Methods: Patients exclusively restored with a single implant type were included. Probing pocket depth (PPD), bleeding on probing (BOP), suppuration, and radiographic bone loss (RBL) were assessed around implants. The case definitions were as follows: peri-implant mucositis: PPD ≥4 mm, BOP, no RBL; and peri-implantitis: PPD ≥5 mm, BOP, RBL ≥3.5 mm. Possible risk indicators were compared between patients with and without mucositis and peri-implantitis using the Fisher exact test and the Wilcoxon rank-sum test, as well as a multiple logistic regression model for variables showing significance (P<0.05). Results: Eighty-four patients with 169 implants (observational period: 5.8±0.86 years) were included. A patient-based prevalence of 52% for peri-implant mucositis and 18% for peri-implantitis was detected. The presence of 3 or more implants (odds ratio [OR], 4.43; 95 confidence interval [CI], 1.36-15.05; P=0.0136) was significantly associated with an increased risk for mucositis. Smoking was significantly associated with an increased risk for peri-implantitis (OR, 5.89; 95% CI, 1.27-24.58; P=0.0231), while the presence of keratinized mucosa around implants was associated with a lower risk for peri-implantitis (OR, 0.05; 95% CI, 0.01-0.25; P<0.001). Conclusions: The number of implants should be considered in strategies to prevent mucositis. Furthermore, smoking and the absence of keratinized mucosa were the strongest risk indicators for peri-implantitis in patients undergoing SIT in the present study.
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Advanced peri-implantitis cases with radical surgical treatment
McCrea, Shane J.J. Korean Academy of Periodontology 2014 Journal of Periodontal & Implant Science Vol.44 No.1
Purpose: Peri-implantitis, a clinical term describing the inflammatory process that affects the soft and hard tissues around an osseointegrated implant, may lead to peri-implant pocket formation and loss of supporting bone. However, this imprecise definition has resulted in a wide variation of the reported prevalence; ${\geq}10%$ of implants and 20% of patients over a 5- to 10-year period after implantation has been reported. The individual reporting of bone loss, bleeding on probing, pocket probing depth and inconsistent recording of results has led to this variation in the prevalence. Thus, a specific definition of peri-implantitis is needed. This paper describes the vast variation existing in the definition of peri-implantitis and suggests a logical way to record the degree and prevalence of the condition. The evaluation of bone loss must be made within the concept of natural physiological bony remodelling according to the initial peri-implant hard and soft tissue damage and actual definitive load of the implant. Therefore, the reason for bone loss must be determined as either a result of the individual osseous remodelling process or a response to infection. Methods: The most current Papers and Consensus of Opinion describing peri-implantitis are presented to illustrate the dilemma that periodontologists and implant surgeons are faced with when diagnosing the degree of the disease process and the necessary treatment regime that will be required. Results: The treatment of peri-implantitis should be determined by its severity. A case of advanced peri-implantitis is at risk of extreme implant exposure that results in a loss of soft tissue morphology and keratinized gingival tissue. Conclusions: Loss of bone at the implant surface may lead to loss of bone at any adjacent natural teeth or implants. Thus, if early detection of peri-implantitis has not occurred and the disease process progresses to advanced peri-implantitis, the compromised hard and soft tissues will require extensive, skill-sensitive regenerative procedures, including implantotomy, established periodontal regenerative techniques and alternative osteotomy sites.
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Chang, Hee-Yung,Park, Shin-Young,Kim, Jin-Ah,Kim, Young-Kyun,Lee, Hyo-Jung Korean Academy of Periodontology 2015 Journal of Periodontal & Implant Science Vol.45 No.3
Purpose: This retrospective study evaluated the relationship between the timing of peri-implantitis diagnosis and marginal bone level after a 5-year follow-up of non-surgical peri-implantitis treatment. Methods: Thirty-three patients (69 implants) were given peri-implantitis diagnosis in 2008-2009 in Seoul National University Bundang Hospital. Among them, 31 implants from 16 patients were included in this study. They were treated non-surgically in this hospital, and came for regular maintenance visits for at least 5 years after peri-implantitis treatment. Radiographic marginal bone levels at each interval were measured and statistical analysis was performed. Results: Timing of peri-implantitis was one of the significant factors affecting initial bone loss and total bone loss not additional bone after peri-implantitis diagnosis. Patients with cardiovascular disease and diabetic mellitus were positively influenced on both initial bone loss and total bone loss. Patients who needed periodontal treatment after implant placement showed a negative effect on bone loss compared to those who needed periodontal treatment before implant placement during entire periods. Implant location also significantly influenced on amounts of bone loss. Mandibular implants showed less bone loss than maxillary implants. Among surgical factors, combined use of autogenous and xenogenic bone graft materials showed a negative effect on bone loss compared to autogenous bone graft materials. Use of membrane negatively affected on initial bone loss but positively on additional bone loss and total bone loss. Thread exposure showed positive effects on initial bone loss and total bone loss. Conclusions: Early peri-implantitis diagnosis led to early non-surgical intervention for peri-implantitis treatment, which resulted in the maintenance of the bone level as well as preservation of the implant.
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A Meta-Analysis of Microbiota implicated in peri-implantitis
Han-gyoul Cho,Ran-Yi Jin,Seung-Ho Ohk 대한구강생물학회 2023 International Journal of Oral Biology Vol.48 No.3
Peri-implantitis is the disease of the surrounding tissue of the dental implants, which accompanies the destruction of both soft and hard tissues. It is also pointed out as the major problem of the late failure of the dental implants. As the peri-implantitis is caused by numeric microorganisms including obligate anaerobes, there are many microbiologic studies about this disease. This study is about the comparison analysis between the biofilm of healthy implants and peri-implantitis. This study could state clinical importance and suggest some theoretical evidence in making treatment protocol of peri-implantitis such as the antibiotic therapy. 2015 studies have collected by searching items in National Library of Medicine, including keywords such as ‘peri-implantitis’, ‘microbiota’, ‘microbiome’. Then 62 studies have screened which are judged to be eligible for analysis. Only 16 studies have qualified the all criteria: ‘Using PCR methods for the microorganism detection’, ‘Suggesting quantified results’, ‘Stating obvious clinical diagnosis criteria (‘Bleeding on probing’, ‘Probing pocket depth’ ‘Suppuration’ and ‘Radiographic bone loss’)’. 8 studies were able to be included in meta-analysis, because the other 8 studies had special matters. Porphyromonas gingivalis, Tannerella forsythia, Treponema denticola, Aggregatibacter actinomycetemcomitans, Prevotella intermedia, Epstein-Barr virus are the microbiologic subjects of analysis. Odds-ratio between the healthy implants and peri-implantitis were calculated in each microorganism for comparing two groups, and the forest plots were suggested as the visual materials. P. gingivalis (1.392<OR<2.841), T. forsythia (1.345<OR<3.221), T. denticola (2.180<OR<5.150), A. actinomycetemcomitans (1.975<OR<6.456), P. intermedia (1.245<OR<3.612), Epstein-Barr virus (1.995<OR<9.383): All of the species showed that their 95% confidence interval of odds-ratio are higher than 1, stating that all these 6 species were detected more frequently in peri-implantitis compared to healthy-implants. Meanwhile, other species such as Fusobacterium nucleatum, Staphylococcus aureus were not able to include in meta-analysis because the number of the studies were insufficient.
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박세환(Se-Hwan Park),이재관(Jae-Kwan Lee) 대한치과의사협회 2014 대한치과의사협회지 Vol.52 No.7
Peri implantitis is an inflammatory disease of the peri implant tissue by bacterial infection or other factors, which results in peri implant bone loss. Many nonsurgical treatments were tried on initial to moderate peri implantitis lesion to reduce the inflammation. Some of these treatments made effective results, however, they were not definitively predictable. To prevent peri implantitis and further peri implant bone loss, early intervention is the most important. Early detection of peri implant infection through the regular maintenance care can make it possible to do early nonsurgical intervention. Nonsurgical intervention is effective on peri implant mucositis and can also be effective on initial peri implantitis lesion. If the peri implantitis is not resolves by nonsurgical treatment, surgical approach should be considered.
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Rodent peri-implantitis models: a systematic review and meta-analysis of morphological changes
Ren Jie Jacob Chew,Jacinta Xiaotong Lu,Yu Fan Sim,Alvin Boon Keng Yeo 대한치주과학회 2022 Journal of Periodontal & Implant Science Vol.52 No.6
Purpose: Rodent models have emerged as an alternative to established larger animal models for peri-implantitis research. However, the construct validity of rodent models is controversial due to a lack of consensus regarding their histological, morphological, and biochemical characteristics. This systematic review sought to validate rodent models by characterizing their morphological changes, particularly marginal bone loss (MBL), a hallmark of peri-implantitis. Methods: This review was conducted following the Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) guidelines. A literature search was performed electronically using MEDLINE (PubMed), and Embase, identifying pre-clinical studies reporting MBL after experimental peri-implantitis induction in rodents. Each study’s risk of bias was assessed using the Systematic Review Center for Laboratory animal Experimentation (SYRCLE) risk of bias tool. A meta-analysis was performed for the difference in MBL, comparing healthy implants to those with experimental peri-implantitis. Results: Of the 1,014 unique records retrieved, 23 studies that met the eligibility criteria were included. Peri-implantitis was induced using 4 methods: ligatures, lipopolysaccharide, microbial infection, and titanium particles. Studies presented high to unclear risks of bias. During the osseointegration phase, 11.6% and 6.4%-11.3% of implants inserted in mice and rats, respectively, had failed to osseointegrate. Twelve studies were included in the meta-analysis of the linear MBL measured using micro-computed tomography. Following experimental peri-implantitis, the MBL was estimated to be 0.25 mm (95% confidence interval [CI], 0.14–0.36 mm) in mice and 0.26 mm (95% CI, 0.19–0.34 mm) in rats. The resulting peri-implant MBL was circumferential, consisting of supra- and infrabony components. Conclusions: Experimental peri-implantitis in rodent models results in circumferential MBL, with morphology consistent with the clinical presentation of peri-implantitis. While rodent models are promising, there is still a need to further characterize their healing potentials, standardize experiment protocols, and improve the reporting of results and methodology.
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