Journal of Periodontal and Implant Science最新文献

{"title":"Performance of artificial intelligence-based diagnosis and classification of peri-implantitis compared with periodontal surgeon assessment: a pilot study of panoramic radiograph analysis.","authors":"Jae-Hong Lee, Yeon-Tae Kim, Falk Schwendicke","doi":"10.5051/jpis.2500280014","DOIUrl":"https://doi.org/10.5051/jpis.2500280014","url":null,"abstract":"<p><strong>Purpose: </strong>The aim of this study was to evaluate the diagnostic and classification performance of a deep learning (DL) model for peri-implantitis-related bone defects using panoramic radiographs, focusing on defect morphology and severity.</p><p><strong>Methods: </strong>A dataset comprising 1,075 panoramic radiographs from 426 patients with peri-implantitis was analyzed. A total of 2,250 implant sites were annotated and categorized based on defect morphology (intraosseous [class I], supracrestal/horizontal [class II], or combined [class III]) and severity (slight, moderate, or severe). The ensemble-based YOLOv8 DL model was trained on 80% of the dataset, with the remaining 20% reserved for testing. Performance was assessed using classification metrics, including accuracy, precision, recall, and F1 score. The diagnostic accuracy of the DL model was also compared with that of 2 board-certified periodontal surgeons.</p><p><strong>Results: </strong>The DL model achieved an overall accuracy of 85.33%, significantly outperforming the periodontal surgeons, who exhibited a mean accuracy of 75.6%. The DL model performed especially well for slight class II defects, with precision and recall values of 100% and 98%, respectively. In contrast, the periodontal surgeons demonstrated higher accuracy in severe cases, particularly for class II defects.</p><p><strong>Conclusions: </strong>DL enables reliable and accurate detection of peri-implantitis bone defects. It outperformed periodontal surgeons in overall accuracy, demonstrating its potential as a valuable second-opinion tool to support clinical decision-making. Future research should focus on expanding datasets and incorporating multimodal imaging.</p>","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":" ","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-04-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144023513","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Multivariable analysis to identify predictors of dental implant failure after alveolar ridge preservation: a non-interventional observational study.","authors":"Dae-Young Kang, Hyeon-Seong Ahn, Jun-Hyeong Kong, Sangmin Kim, Sung-Jo Lee, In-Woo Cho, Hyun-Seung Shin, Leonardo Trombelli, Jung-Chul Park, Hyun-Chang Lim","doi":"10.5051/jpis.2404660233","DOIUrl":"https://doi.org/10.5051/jpis.2404660233","url":null,"abstract":"<p><strong>Purpose: </strong>The aim of this study was to determine predictors of implant treatment failure after alveolar ridge preservation (ARP).</p><p><strong>Methods: </strong>The study included patients who received implant treatment after ARP between 2014 and 2020. The demographic, clinical, and radiographic data of these patients were collected. Implant success was defined as the absence of pain or tenderness, no mobility, a change of <2 mm in marginal bone level, and no exudation. A Cox proportional hazards model with shared frailty was used to estimate hazard ratios (HRs) for the demographic, clinical, and radiographic factors contributing to implant failure.</p><p><strong>Results: </strong>The study included 528 implants from 412 patients. The cumulative success rate over 3.5±1.8 years (mean ± standard deviation) was 89.0% (95% confidence interval [CI], 85.4%-92.8%), with 43 failed implants. The multiple Cox proportional hazards model with shared frailty indicated that a pristine bone engagement (PBE) of <1.1 mm was significantly associated with implant failure (HR, 2.50; 95% CI, 1.34-4.67; <i>P</i>=0.004).</p><p><strong>Conclusions: </strong>PBE of at least 1.1 mm appears to decrease the probability of implant failure after ARP.</p>","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":" ","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-04-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143992425","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect of anti-resorptive therapy on implant failure: a systematic review and meta-analysis.","authors":"Junho Jung, Gyu-Jo Shim, Jung Soo Park, Yong-Dae Kwon, Jae-In Ryu","doi":"10.5051/jpis.2304040202","DOIUrl":"https://doi.org/10.5051/jpis.2304040202","url":null,"abstract":"<p><strong>Purpose: </strong>This review was conducted to systematically assess the impact of bisphosphonates (BPs) and denosumab, used as anti-resorptive therapies, on the incidence of dental implant failure.</p><p><strong>Methods: </strong>Electronic and manual searches were performed in accordance with the described search protocol. Only articles that met the inclusion criteria were selected. The primary outcome was implant failure, while secondary outcomes included biological complications and comorbidities. Following data extraction, a quality assessment and meta-analysis were conducted.</p><p><strong>Results: </strong>Fourteen eligible studies were included in the analysis following a qualitative evaluation. BP administration, regardless of the timing of anti-resorptive therapy, did not significantly increase the risk of implant failure (odds ratio [OR], 1.40; 95% confidence interval, 0.83-2.34). Subgroup analysis revealed a slightly higher, although statistically insignificant, risk of failure in patients with a follow-up period of 3 years or more compared to those with a follow-up duration of less than 3 years (with ORs of 2.82 and 1.53, respectively). Due to a lack of eligible studies, a meta-analysis for denosumab could not be conducted.</p><p><strong>Conclusions: </strong>Our findings suggest that BP treatment does not compromise the survival of dental implants. Specifically, in patients with osteoporosis, implant failure rates were not significantly influenced by the administration of BPs before the placement of dental implants, suggesting that low-dose BP therapy may not contraindicate implant placement. Nevertheless, regular check-ups and maintenance periodontal treatment must not be neglected, and concomitant biological factors should be considered to ensure the long-term success of implant rehabilitation.</p>","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":"55 2","pages":"87-103"},"PeriodicalIF":2.2,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12056241/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144052791","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Long-term clinical and radiographic outcomes of a bone-level, 2-piece, internal connection implant system with coronal microthreads over 10 years of follow-up: a retrospective clinical study.","authors":"Young Woo Song, Seung Ha Yoo, Jin-Young Park, Jae-Kook Cha, Jeong-Won Paik, Jung-Seok Lee, Daniel S Thoma, Ui-Won Jung","doi":"10.5051/jpis.2401100055","DOIUrl":"https://doi.org/10.5051/jpis.2401100055","url":null,"abstract":"<p><strong>Purpose: </strong>This study retrospectively investigated the long-term clinical and radiographic outcomes of a bone-level type, 2-piece, internal connection dental implant system characterized by coronal microthreads.</p><p><strong>Methods: </strong>A total of 872 implants placed in 284 patients were selected from 1,845 implants placed in 691 patients by experienced periodontists at Yonsei University Dental Hospital. These selected implants had been followed up for over 10 years and were included in the present study. A statistical evaluation of implant survival and treatment success, based on changes in marginal bone levels, was conducted using electronic records and consecutively taken radiographs.</p><p><strong>Results: </strong>Over a follow-up period of 12.3±2.0 years, 830 of the 872 implants remained intact, yielding a cumulative survival rate of 95.2% at the implant level and 88.4% at the patient level. The cumulative treatment success rates, characterized by marginal bone loss of less than 2 mm, stood at 87.0% for implants and 76.1% for patients. Among the 830 surviving implants, 113 fixtures were classified as ailing, with an average marginal bone loss of 4.09±1.44 mm. Cox regression analysis revealed that implants 8 mm in length or shorter were significantly more likely to fail or experience pathologic marginal bone resorption, with hazard ratios of 3.71 and 2.00, respectively (<i>P</i><0.05).</p><p><strong>Conclusions: </strong>The survival and treatment success of the investigated microthreaded, bone-level, 2-piece, internal connection implants were acceptable over a follow-up period exceeding 10 years. However, shorter dental implants exhibited a higher propensity for failure and excessive marginal bone loss.</p>","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":"55 2","pages":"153-166"},"PeriodicalIF":2.2,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12056244/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144042243","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Correlation between newly formed bone and the progression of experimental peri-implantitis with or without alveolar ridge preservation in infected and non-infected teeth: a secondary analysis of a preclinical study.","authors":"Jungwoo Jung, Seunghee Lee, Jungwon Lee, Young-Chang Ko, Dongseob Lee, Yang-Jo Seol, Ki-Tae Koo, Yong-Moo Lee","doi":"10.5051/jpis.2402100105","DOIUrl":"https://doi.org/10.5051/jpis.2402100105","url":null,"abstract":"<p><strong>Purpose: </strong>We examined the progression of experimental peri-implantitis in sites that underwent either alveolar ridge preservation (ARP) or spontaneous healing (SH), comparing infected teeth (IT) and non-infected teeth (NIT). This investigation is a secondary analysis of a preclinical study aimed at exploring the correlation between newly formed bone and implant stability quotient (ISQ), as well as the association between newly formed bone and the progression of experimental peri-implantitis.</p><p><strong>Methods: </strong>The bilateral mandibular third or fourth premolars of 6 beagle dogs were randomly assigned to 4 groups: IT/SH, IT/ARP, NIT/SH, and NIT/ARP. Following implant placement, core biopsies were retrieved from each site, and the ISQ value was measured. A 3-month period was allowed for peri-implantitis induction, followed by an additional 3 months for the spontaneous progression of peri-implantitis, with radiographs taken at each time point.</p><p><strong>Results: </strong>During the spontaneous progression of peri-implantitis, no statistically significant differences were observed among the groups in terms of mean ISQ values and radiographic marginal bone loss. Similarly, the percentages of bone substitute, newly formed bone, and fibrovascular connective tissue in core biopsies did not differ significantly among the groups. Linear regression analysis revealed no significant linear correlation between newly formed bone and ISQ in any group (<i>P</i>>0.05). However, a weak linear correlation between newly formed bone and marginal bone loss during the spontaneous progression of peri-implantitis was noted in the IT/SH group alone (<i>P</i>=0.036).</p><p><strong>Conclusions: </strong>Within the limitations of this study, we were unable to demonstrate that ARP could improve newly formed bone or primary implant stability. Furthermore, neither ARP nor SH significantly influenced the spontaneous progression of experimental peri-implantitis.</p>","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":"55 2","pages":"139-152"},"PeriodicalIF":2.2,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12056239/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144053451","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Standard operating procedures for quality control of oral biospecimens at the Korea Oral Biobank Network.","authors":"Hye-Rim Shin, Sun-Young Kim, In-Hye Bae, Inseong Hwang, Jin Hoo Park, Soo-Min Ok, Young-Youn Kim, Young-Dan Cho","doi":"10.5051/jpis.2401920096","DOIUrl":"https://doi.org/10.5051/jpis.2401920096","url":null,"abstract":"<p><strong>Purpose: </strong>The Korean Oral Biobank Network (KOBN) collects, stores, and provides oral samples for research. Quality control (QC) of biospecimens is necessary to ensure that they meet the basic prerequisites before being sent to researchers. This study presents the standard operating procedures (SOPs) for the QC of biospecimens.</p><p><strong>Methods: </strong>QC methods using molecular genetic techniques according to sample types, including teeth, blood, oral soft tissue, oral tissue-derived cells, saliva, mouth rinse solution, dental plaque, and gingival crevicular fluid, are described in detail.</p><p><strong>Results: </strong>The KOBN established SOP for oral biospecimen QC and assessment methods.</p><p><strong>Conclusions: </strong>To ensure a stable supply of high-quality biospecimens for researchers, regular QC checks should be carried out according to the SOP following the specifications of the Korea Biobank Network under the Korea Disease Control and Prevention Agency.</p>","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":"55 2","pages":"127-138"},"PeriodicalIF":2.2,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12056245/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144043963","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Long-term assessment of a modified tunneling technique for root coverage in lower anterior gingival recession: a retrospective study.","authors":"Sungtae Kim, Hee-Seung Han, Hyunkyung Kim, Hyunjae Kim, Yang-Jo Seol, Young-Dan Cho","doi":"10.5051/jpis.2402660133","DOIUrl":"https://doi.org/10.5051/jpis.2402660133","url":null,"abstract":"<p><strong>Purpose: </strong>Root coverage (RC) procedures require long-term evaluation. This study assessed the clinical validity and long-term stability of a modified tunneling technique for lower anterior gingival recession (GR) using a subepithelial connective tissue graft (SCTG) and a volume-stable collagen matrix.</p><p><strong>Methods: </strong>Across 39 patients, 66 mandibular incisors with ≥1.0 mm of GR were examined before and after RC surgery. Clinical photographs documenting the results of RC were taken at baseline (T₀) and the most recent follow-up visit (T<i>_l</i>). Impressions were obtained either at baseline (T₀) or 3 weeks later (T₃). The recession depth, Miller classification, and rates of RC and complete root coverage (CRC) were assessed.</p><p><strong>Results: </strong>This study analyzed 66 GR sites across 39 patients, with an average follow-up period of 41.3 months. Overall, the mean RC achieved was 86.2%±15.7%. Among single recessions, the RC was 85.2%±25.6% for Miller class I, 91.5%±10.4% for class II, and 79.2%±18.3% for class III. Regarding multiple recessions, the RC was 85.1%±16.2% for Miller class I, 87.0%±12.5% for class II, and 89.8%±16.0% for class III. By Miller classification, the RC was 85.1%±16.8% for class I, 88.7%±11.6% for class II, and 85.8%±17.3% for class III. Furthermore, the RC varied by follow-up duration: 72.5%±15.1% at 12 months, 90.1%±12.6% at 25-36 months, 89.0%±16.7% at 37-48 months, 91.10%±9.88% at 49-60 months, and 97.6±4.79% for longer than 61 months, with 77.8% of the last group achieving CRC. RC also differed based on the initial recession depth, at 88.0%±16.8% for 1-3 mm, 83.1%±14.1% for 3-6 mm, and 80.2%±5.04% for depths exceeding 6 mm.</p><p><strong>Conclusions: </strong>A modified tunneling technique, utilizing SCTG and a volume-stable collagen matrix, appears to represent a reliable option for the long-term management of GR in the lower anterior region, even in cases involving multiple Miller class III GRs.</p>","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":"55 2","pages":"115-126"},"PeriodicalIF":2.2,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12056243/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144038724","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"\"Gum Day\" of the Korean Academy of Periodontology.","authors":"Nam Yoon Kim","doi":"10.5051/jpis.255502edi01","DOIUrl":"https://doi.org/10.5051/jpis.255502edi01","url":null,"abstract":"","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":"55 2","pages":"85-86"},"PeriodicalIF":2.2,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12056240/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144054918","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The development and validation of a Korean version of the oral hygiene-related self-efficacy tool.","authors":"Soo-Auk Park, Eun-Ae Kim, Jae-Young Lee","doi":"10.5051/jpis.2401780089","DOIUrl":"https://doi.org/10.5051/jpis.2401780089","url":null,"abstract":"<p><strong>Purpose: </strong>Self-efficacy is an important factor in the management of chronic oral diseases. This study aimed to develop a Korean version of a self-efficacy tool related to personal oral hygiene management, and verify its validity and reliability.</p><p><strong>Methods: </strong>This study evaluated the validity and reliability of a Korean version of the oral health-related self-efficacy measurement tool (OHSE-K). The sub-factors of this self-efficacy tool are tooth brushing, interdental hygiene management, and dental visits. The original items were translated into Korean, and their content validity was confirmed. Initially, a preliminary survey was conducted, followed by the main survey. The main survey comprised 19 content-verified items. The validity and reliability of the main survey were evaluated through repeated exploratory factor analyses. A randomly selected sample of Korean adults, aged 19 years or older, completed the OHSE-K online between May 10 and June 2, 2023. The study recruited 400 adults for the preliminary survey. Data were analyzed using PASW 25.0.</p><p><strong>Results: </strong>The OHSE-K demonstrated a high level of overall reliability (Cronbach's α=0.891). Exploratory factor analysis revealed 3 significant factors: tooth-brushing self-efficacy, interdental hygiene management self-efficacy, and dental visit self-efficacy, with a cumulative explanation rate of 65.114%. The criterion validity results indicated that oral healthcare awareness and behavior, as well as unmet dental treatment needs, were significant (<i>P</i><0.05). Additionally, the OHSE-K scores showed significant correlations with all 3 sub-factors (<i>P</i><0.05).</p><p><strong>Conclusions: </strong>The OHSE-K is a reliable tool. Our results demonstrated its validity and reliability.</p>","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":"55 2","pages":"104-114"},"PeriodicalIF":2.2,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12056242/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144035354","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Clinical evaluation of tapered-straight-tapered dental implants: a retrospective analysis.","authors":"Hyunkyung Kim, Hee-Seung Han, Hyunjae Kim, Sungtae Kim, Young-Dan Cho","doi":"10.5051/jpis.2403220161","DOIUrl":"https://doi.org/10.5051/jpis.2403220161","url":null,"abstract":"<p><strong>Purpose: </strong>This retrospective study aimed to evaluate the long-term survival rate and marginal bone loss (MBL) of tapered-straight-tapered dental implants, considering various associated factors, over an observational period of ≥5 years.</p><p><strong>Methods: </strong>This study included 186 patients who underwent tapered-straight-tapered dental implant placement at Seoul National University Dental Hospital from 2014 to 2019. Digital panoramic radiographic images and dental records were examined. We evaluated multiple variables, such as sex, age, diabetes mellitus (DM), smoking status, placement region, jaw type (maxilla and mandible), implant diameter, implant length, staged surgery, immediate placement, splinted prosthesis, and implant placement depth (IPD). We first determined the implant survival rate using Kaplan-Meier analysis and analyzed potential risk factors for implant survival using mixed-effects Cox proportional hazards regression. Next, the Mann-Whitney and Kruskal-Wallis tests were used to examine differences in MBL across variables. Linear mixed-effects models with backward stepwise selection were used to identify associations between risk factors and MBL.</p><p><strong>Results: </strong>This study included 316 implants in 186 patients, monitored over a follow-up period of 7.0±1.36 years. The cumulative survival rate of the implants was 98.1%. The average mesial and distal MBLs were 0.59±1.36 mm and 0.68±1.36 mm, respectively. Linear mixed-effects models indicated that MBL exhibited statistically significant positive correlations with DM (Coeff.=0.614, <i>P</i>=0.026) and staged surgery (Coeff.=0.410, <i>P</i>=0.002). Additionally, greater mesial IPD was associated with reduced MBL (Coeff.=-0.143, <i>P</i>=0.046), and a similar trend was observed for distal IPD (Coeff.=-0.316, <i>P</i>=0.068).</p><p><strong>Conclusions: </strong>This study demonstrated a high cumulative survival rate for tapered-straight-tapered dental implants over a 5-year period. DM, staged surgery, and IPD showed strong associations with increased MBL. The results suggest that tapered-straight-tapered implants offer advantages in terms of peri-implant MBL and consistent clinical outcomes. These findings underscore the importance of considering these variables in clinical decision-making to optimize implant outcomes.</p>","PeriodicalId":48795,"journal":{"name":"Journal of Periodontal and Implant Science","volume":" ","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144065032","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}