Journal of Prosthetic Dentistry最新文献

{"title":"Comparative effectiveness of fiber and metal posts in the restoration of endodontically treated teeth: A systematic review with network meta-analysis","authors":"Koay Chun Giok , Sajesh K. Veettil PhD , Rohit Kunnath Menon PhD","doi":"10.1016/j.prosdent.2023.08.022","DOIUrl":"10.1016/j.prosdent.2023.08.022","url":null,"abstract":"<div><h3>Statement of problem</h3><div>Different varieties of fiber and metal intraradicular posts have been used for the restoration of endodontically treated teeth with insufficient sound tooth structure. Evidence on the comparative efficacy of posts in a clinical setting is insufficient to provide clear clinical guidelines and recommendations.</div></div><div><h3>Purpose</h3><div>The purpose of this systematic review with network meta-analysis was to assess the comparative efficacy of fiber and metal posts used for the restoration of endodontically treated teeth.</div></div><div><h3>Material and methods</h3><div>A search was conducted for trials published in Medline, Scopus, PubMed, and Cochrane Central Register of Controlled Trials from inception until November 2022. The study was registered with the International Prospective Register of Systematic Reviews (PROSPERO) (CRD42022384340). A network meta-analysis was performed on data from randomized controlled trials that assessed the comparative efficacy of fiber posts and metal posts for the restoration of endodontically treated teeth. Subgroup analyses were performed to compare all the varieties of fiber and metal posts. The types of posts were ranked according to their efficacy using the Surface Under the Cumulative Ranking (SUCRA) system. The Grading of Recommendations, Assessment, Development, and Evaluations (GRADE) approach was used to assess the level of certainty of evidence.</div></div><div><h3>Results</h3><div><span>Twenty-five articles were included in the quantitative analysis. Fiber posts (RR=0.15 [95% CI: 0.06, 0.33]) significantly prevented tooth fracture as compared with no posts. Prefabricated carbon fiber posts (RR=0.06 [95% CI: 0, 0.54]) ranked highest followed by custom </span>glass fiber<span> posts (RR=0.15 [95% CI: 0.04, 0.52]) and prefabricated glass fiber posts (RR=0.22 [95% CI: 0.07, 0.62]) in the outcome of tooth fracture. Metal posts (RR=0.24 [95% CI: 0.12, 0.46]) ranked higher than fiber posts (RR=0.39 [95% CI: 0.27, 0.56]) in the outcome of debonding. Custom gold alloy posts (RR=0.12 [95% CI: 0.03, 0.48]), prefabricated gold alloy posts (RR=0.04 [95% CI: 0.00, 0.87]), and prefabricated titanium posts (RR=0.21 [95% CI: 0.10, 0.45]) had higher rankings in the outcome of debonding or loss of retention of a post followed by custom glass fiber posts (RR=0.37 [95% CI: 0.21, 0.63]) and prefabricated glass fiber posts (RR=0.38 [95%CI: 0.25, 0.58]). Prefabricated glass fiber posts (RR=0.40 [95% CI: 0.20, 0.81]) had statistically significant differences in the outcome of secondary caries. The GRADE approach determined a moderate level of certainty of evidence.</span></div></div><div><h3>Conclusions</h3><div>The use of a fiber post when indicated results in reduced risk of tooth fracture as compared with no post. Prefabricated carbon fiber posts, prefabricated glass fiber posts, and custom glass fiber posts reveal a lower risk of tooth fracture. Overall, the use of prefabrica","PeriodicalId":16866,"journal":{"name":"Journal of Prosthetic Dentistry","volume":"134 3","pages":"Pages 597-615"},"PeriodicalIF":4.8,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41203856","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Potential risks, treatment strategies, and treatment outcomes of retrograde peri-implantitis: A systematic review","authors":"Chanakarn Sinsareekul DDS, Higher Grad Dip, FRCDS , Nareudee Limpuangthip DDS, PhD","doi":"10.1016/j.prosdent.2025.05.025","DOIUrl":"10.1016/j.prosdent.2025.05.025","url":null,"abstract":"<div><h3>Statement of problem</h3><div>Potential risk factors of retrograde peri-implantitis have been identified from literature reviews; however, only clinical reports or isolated risk factors were evaluated. Retrograde peri-implantitis likely involves multifactorial risks, and outcomes following treatment remain underexplored.</div></div><div><h3>Purpose</h3><div>The purpose of this systematic review was to identify factors associated with retrograde peri-implantitis occurrence and evaluate outcomes following specific treatment approaches.</div></div><div><h3>Material and methods</h3><div>A systematic search was performed in PubMed, Cochrane Database of Systematic Reviews, and SCOPUS databases up to December 2024 without language restriction, followed by a manual search. The review followed the population, intervention, control, outcome, study type (PICOS) criteria by including observational human studies on dental implants<span>, with or without prostheses, reporting factors associated with retrograde peri-implantitis occurrence or treatment outcomes following treatment. Retrograde peri-implantitis was defined as progressive bone loss at the implant periapex, with or without clinical symptoms. Exclusion criteria included review articles, case series, and clinical reports, studies lacking a clear definition of retrograde peri-implantitis, or those reporting only retrograde peri-implantitis occurrence. Mixed-population studies were excluded unless retrograde peri-implantitis was clearly reported separately. Clinical outcomes following treatment were assessed, and the risk of bias was assessed using the modified Newcastle-Ottawa scale.</span></div></div><div><h3>Results</h3><div><span><span>Nine observational studies were evaluated: 2 case-control, 3 retrospective cohort, 1 prospective cohort, and 3 ambispective studies. The ambispective studies collected implant data from dental records of recalled patients and followed up on treatment outcomes after retrograde peri-implantitis management. Occurrence of retrograde peri-implantitis ranged from 0.9% to 23.8%. Higher rates of retrograde peri-implantitis were reported in periapical lesions at the extraction sites or adjacent teeth, </span>periodontitis at the extraction site, and shorter distance between the implant and adjacent teeth. After at least 1-year of follow-up, surgical treatments revealed survival rates of 66.7% to 100%, while the </span>endodontic treatment of the adjacent tooth yielded 49% to 100% survival rates.</div></div><div><h3>Conclusions</h3><div>Within the limitations of current evidence, the occurrence of retrograde peri-implantitis tended to be associated with periapical lesions of teeth at implant recipient sites and adjacent teeth, exacerbated by close implant proximity to adjacent teeth, and periodontitis at the recipient sites. Comprehensive management of potential risk factors, including surgical intervention for retrograde peri-implantitis-affected implant and endodonti","PeriodicalId":16866,"journal":{"name":"Journal of Prosthetic Dentistry","volume":"134 3","pages":"Pages 651.e1-651.e10"},"PeriodicalIF":4.8,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144234408","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Analysis of flexural strength and Weibull modulus of printed and milled zirconia: A systematic review","authors":"Ligia Antunes Pereira Pinelli PhD ,&nbsp;Izabela Ferreira DDS ,&nbsp;Andrea Cândido dos Reis PhD","doi":"10.1016/j.prosdent.2025.05.032","DOIUrl":"10.1016/j.prosdent.2025.05.032","url":null,"abstract":"<div><h3>Statement of problem</h3><div><span>Additive manufacturing<span><span> (AM) has been used for zirconia dental prostheses, but studies that evaluated mechanical properties in comparison with subtractive manufacturing (SM), such as </span>flexural strength<span> (FS) and Weibull modulus (</span></span></span><em>m</em>), are lacking.</div></div><div><h3>Purpose</h3><div>The purpose of this systematic review was to evaluate studies comparing the FS and <em>m</em> of zirconia produced by AM and SM.</div></div><div><h3>Material and methods</h3><div>Searches were conducted in the PubMed, Science Direct, Embase, Web of Science, and Scopus databases, with the keywords zirconium, \"zirconium oxide,\" \"3D printing,\" \"additive manufacturing,\" \"additive manufacture,\" flexural, \"flexural strength\" from 2019 to 2024, enriched with manual searches.</div></div><div><h3>Results</h3><div><span>Few AM technologies<span> are currently available to print dental zirconia, with the most used being stereolithography<span> (SLA), digital light processing (DLP), and lithography-based ceramic manufacturing (LCM) systems. In general, specimens obtained by milling were found to have a higher FS and </span></span></span><em>m</em> than printed specimens.</div></div><div><h3>Conclusions</h3><div>Printed zirconia has great potential for use in oral rehabilitation because, although its flexural strength and Weibull modulus are lower than those of subtractively manufactured zirconia, they still should provide adequate clinical performance.</div></div>","PeriodicalId":16866,"journal":{"name":"Journal of Prosthetic Dentistry","volume":"134 3","pages":"Pages 628.e1-628.e8"},"PeriodicalIF":4.8,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144336630","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Letter to the Editor regarding, “ChatGPT 4o, DeepSeek R1, and Gemini 2 Pro in answering fixed prosthodontics questions over time” by Shirani M","authors":"Dr Amnuay Kleebayoon PhD,&nbsp;Viroj Wiwanitkit MD","doi":"10.1016/j.prosdent.2025.05.043","DOIUrl":"10.1016/j.prosdent.2025.05.043","url":null,"abstract":"","PeriodicalId":16866,"journal":{"name":"Journal of Prosthetic Dentistry","volume":"134 3","pages":"Page 867"},"PeriodicalIF":4.8,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144564918","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Letter to the Editor regarding, “Impact of WhatsApp on improving denture care knowledge and the awareness of the relationship between edentulism and general health”","authors":"Ameya K P MSc,&nbsp;Durairaj Sekar PhD","doi":"10.1016/j.prosdent.2024.12.034","DOIUrl":"10.1016/j.prosdent.2024.12.034","url":null,"abstract":"","PeriodicalId":16866,"journal":{"name":"Journal of Prosthetic Dentistry","volume":"134 3","pages":"Pages 870-871"},"PeriodicalIF":4.8,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144560411","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Response Letter to the Editor regarding, “Impact of WhatsApp on improving denture care knowledge and the awareness of the relationship between edentulism and general health”","authors":"Wan Nor Hayati Wan Abd. Manan DDS, MClinDent, MPros,&nbsp;Dayang Nur Sharin Abg. Abd. Mohd Rizal BDS,&nbsp;Farah Wajihah Borhan BDS,&nbsp;Widya Lestari DDS, MDSc, PhD,&nbsp;Azlini Ismail B. Biotech. PhD,&nbsp;Muhd Firdaus Che Musa BDS, DDPHRCS, MCOH, PhD,&nbsp;Mohamad Shafiq Mohd Ibrahim BSc, MSc, PhD,&nbsp;Judy Chia-Chun Yuan DDS, MS, MAS,&nbsp;Cortino Sukotjo DDS, PhD, MMSc, MHPE","doi":"10.1016/j.prosdent.2025.06.012","DOIUrl":"10.1016/j.prosdent.2025.06.012","url":null,"abstract":"","PeriodicalId":16866,"journal":{"name":"Journal of Prosthetic Dentistry","volume":"134 3","pages":"Pages 872-873"},"PeriodicalIF":4.8,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144560413","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Response to Letter to the Editor regarding, \"Analysis of the risk of interproximal contact loss between adjacent teeth and implant-supported fixed prostheses: A retrospective cross-sectional study\".","authors":"Jiaping Wang, Juan Lin, Yan Chen, Xin Wu","doi":"10.1016/j.prosdent.2025.08.005","DOIUrl":"10.1016/j.prosdent.2025.08.005","url":null,"abstract":"","PeriodicalId":16866,"journal":{"name":"Journal of Prosthetic Dentistry","volume":" ","pages":""},"PeriodicalIF":4.8,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144958477","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Influence of tooth preparation design on margin discrepancy and internal gap in digitally fabricated fixed complete coverage zirconia prostheses: A systematic review of in vitro studies","authors":"Arul Kumar Sengottaiyan MDS ,&nbsp;Vincent Bennani DDS, PhD ,&nbsp;Arthi Veerasamy BDS, MHealSc, PhD, DClinDent","doi":"10.1016/j.prosdent.2025.04.030","DOIUrl":"10.1016/j.prosdent.2025.04.030","url":null,"abstract":"<div><h3>Statement of problem</h3><div>A systematic review of the effect of tooth preparation design on margin discrepancy and internal gap in digitally fabricated fixed complete coverage zirconia prostheses is lacking.</div></div><div><h3>Purpose</h3><div>The purpose of this systematic review was to evaluate the effect of tooth preparation design on margin discrepancy and internal gap in digitally fabricated fixed complete coverage zirconia prostheses.</div></div><div><h3>Material and methods</h3><div>Electronic databases (Ovid, Medline/Embase, PubMed, Scopus, Web of Science, and Google Scholar) and manual searches were conducted in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement to identify relevant studies evaluating the effect of different tooth preparation designs (finish lines, taper, and occlusal reduction) on the marginal discrepancy and internal adaptation of fixed complete coverage zirconia prosthesis fabricated by using a completely digital workflow.</div></div><div><h3>Results</h3><div>The electronic search identified 130 articles, of which 27 in vitro studies were included for both qualitative and quantitative analyses. Of these, 17 studies examined the finish lines, 1 on occlusal reduction, 9 on taper, 1 on both occlusal reduction and finish line, and only 2 investigated fixed partial dentures, while the majority focused exclusively on single crowns.</div></div><div><h3>Conclusions</h3><div>The selected articles generally reported clinically acceptable marginal fit and internal adaptation, whereas the results of marginal fit favored the rounded shoulder finish line and internal adaptation favored the chamfer finish line. A planar occlusal reduction with a chamfer finishing line provided better marginal fit. Taper had positive effects on marginal fit and internal adaptation.</div></div>","PeriodicalId":16866,"journal":{"name":"Journal of Prosthetic Dentistry","volume":"134 3","pages":"Pages 616-627"},"PeriodicalIF":4.8,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144094146","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Digital diagnostic occlusal equilibration combining an intraoral scanner, optical jaw tracking system, and dental design program: A dental technique","authors":"Marta Revilla-León DDS, MSD, PhD ,&nbsp;Jonathan M. Zeitler ,&nbsp;John C. Kois DMD, MSD","doi":"10.1016/j.prosdent.2023.12.004","DOIUrl":"10.1016/j.prosdent.2023.12.004","url":null,"abstract":"<div><div><span>Patients with aberrant occlusal<span> patterns, including constricted mastication patterns or occlusal dysfunction, may require occlusal equilibration. Conventional diagnostic procedures involve diagnostic stone casts mounted in the </span></span>articulator<span><span>. During diagnostic procedures, occlusal equilibration methods are simulated on mounted stone casts to analyze the amount of dental structure that may need to be removed. A technique to virtually simulate an occlusal equilibration procedure is described. Digital data acquisition procedures include diagnostic casts acquired using an intraoral scanner<span> and the repeatable reference position of the mandible or </span></span>centric relation, excursive movements, and the mastication pattern captured using an optical jaw tracking system. The jaw tracker and dental design programs are used to simulate the occlusal equilibration.</span></div></div>","PeriodicalId":16866,"journal":{"name":"Journal of Prosthetic Dentistry","volume":"134 3","pages":"Pages 551-556"},"PeriodicalIF":4.8,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139432564","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect of a digital assessment system for the preclinical tooth preparation of metal-ceramic crowns: A pilot study","authors":"Junman Li MS ,&nbsp;Xin Fang DDS ,&nbsp;Jinhui Huang PhD ,&nbsp;Jun Zhang PhD ,&nbsp;Jinyan Wu DDS, PhD ,&nbsp;Guiding Li PhD ,&nbsp;Jie Qian MS ,&nbsp;Hefeng Yang DDS, PhD","doi":"10.1016/j.prosdent.2023.10.010","DOIUrl":"10.1016/j.prosdent.2023.10.010","url":null,"abstract":"<div><h3>Statement of problem</h3><div>Tooth preparation<span> is a fundamental aspect of prosthodontics and serves as a focal point in preclinical courses. Conventional pedagogy relies heavily on the expertise of instructors, whereas digital technology has the potential to offer instantaneous feedback. The efficacy of a digital assessment system in comparison with traditional teaching methods remains uncertain.</span></div></div><div><h3>Purpose</h3><div>The purpose of this study was to compare the training effects of traditional assessment and digital evaluation on tooth preparations for the metal-ceramic crowns performed by preclinical students on the convergence angle and tooth reduction.</div></div><div><h3>Material and methods</h3><div><span>A total of 40 predoctoral students were randomly divided into the digital group and the traditional group to complete tooth preparation for a metal-ceramic crown on a left mandibular first molar. Students in the traditional group were taught by an experienced instructor, while the digital group students were trained by an objective digital assessment system without instructor guidance. Each student completed the tooth preparation in 20 min, received feedback according to the respective training methods, and later prepared another tooth. In this way, all students completed 4 tooth preparations in 2 weeks. All preparations were evaluated by an optical scanner. Parameters for comparing the digital group with the traditional group were the convergence angle and reduction at different stages. Questionnaires on the digital training system were answered by the students of the digital group. The </span><em>t</em><span> tests or Wilcoxon signed rank tests and chi-squared tests were used to analyze the differences between the 2 groups (α=.01).</span></div></div><div><h3>Results</h3><div>A decreasing trend in convergence angle was seen in both groups, but the 2 groups were statistically similar (<em>P</em>&gt;.01). After training, a decreasing trend was seen in under-reduction and overreduction on 5 surfaces in the digital group. Conversely, in the traditional group, a noteworthy increase was seen in under-reduction on the distal surface (<em>P</em>=.002). Nevertheless, no significant difference was found between the 2 groups (<em>P</em>&gt;.01). According to the results of the questionnaire, over 80% of the students had a positive attitude toward the digital assessment system, and more than 80% of the students expressed their interest in the digital assessment system for tooth preparation training.</div></div><div><h3>Conclusions</h3><div>Traditional teaching and digital feedback provided similar training effects to improve the quality of tooth preparations for preclinical dental students.</div></div>","PeriodicalId":16866,"journal":{"name":"Journal of Prosthetic Dentistry","volume":"134 3","pages":"Pages 739-747"},"PeriodicalIF":4.8,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71521892","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}