{"title":"Letter to the Editor regarding, \"Can ChatGPT be trusted as a resource for a scholarly article on treatment planning implant-supported prostheses?\" by Sadowsky.","authors":"Muhammad Anas, Muhammad Usman Sultan","doi":"10.1016/j.prosdent.2025.09.003","DOIUrl":"https://doi.org/10.1016/j.prosdent.2025.09.003","url":null,"abstract":"","PeriodicalId":16866,"journal":{"name":"Journal of Prosthetic Dentistry","volume":" ","pages":""},"PeriodicalIF":4.8,"publicationDate":"2025-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145137691","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}
Doğu Ömür Dede, Mustafa Borga Dönmez, Gülce Çakmak, Ahmet Serkan Küçükekenci, Burak Yilmaz
{"title":"Fracture strength of additively manufactured implant-supported resin-based crowns on polyetheretherketone and titanium abutments.","authors":"Doğu Ömür Dede, Mustafa Borga Dönmez, Gülce Çakmak, Ahmet Serkan Küçükekenci, Burak Yilmaz","doi":"10.1016/j.prosdent.2025.08.036","DOIUrl":"https://doi.org/10.1016/j.prosdent.2025.08.036","url":null,"abstract":"<p><strong>Statement of problem: </strong>Implant-supported crowns can be fabricated using additive (AM) or subtractive manufacturing (SM) with resin-based materials. However, their fracture strength on different implant abutments remains unclear.</p><p><strong>Purpose: </strong>The purpose of this in vitro study was to evaluate the fracture strength (FS) and failure modes of AM interim crowns cemented on polyetheretherketone (PEEK) or titanium (Ti) abutments and compare them with SM crowns.</p><p><strong>Material and methods: </strong>Sixty-four implant-supported crowns were fabricated from 3 AM resins (Crowntec [AM_CT], FREEPRINT temp [AM_FP], Varseosmile Crown Plus [AM_VS]) and one SM resin (M-PM Disc [SM_MPM]) (N=16). The crowns were cemented on 1-piece PEEK or Ti abutments (n=8) using dual-polymerizing self-adhesive resin cement after standardized surface treatments. All specimens were subjected to thermomechanical aging (5000 thermal cycles, 250 000 cycles at 49 N, 1.7 Hz) followed by FS testing. Failures were classified as repairable crown crack or fracture, catastrophic crown fracture without abutment damage, abutment distortion without crown damage, or crown and abutment damage. One-way analysis of variance with Tukey test and chi-squared test were used for statistical analysis (α=.05).</p><p><strong>Results: </strong>All specimens survived cyclic loading. While Ti-supported crowns fractured consistently through catastrophic crown failure without abutment damage, most PEEK-supported crowns exhibited inconsistent failure patterns involving abutment distortion or combined crown-abutment damage. Only 6 crowns on PEEK abutments (4 AM_CT and 2 AM_FP) failed without abutment damage, making statistical comparison unreliable. Therefore, PEEK-supported crowns were excluded from statistical analysis. Among Ti groups, SM_MPM crowns demonstrated the highest FS, followed by AM_CT, while AM_FP and AM_VS showed significantly lower FS values (P≤.003). The distribution of failure modes differed significantly among crown materials, abutment types, and their combinations (P≤.014).</p><p><strong>Conclusions: </strong>Crowns on Ti abutments fractured without abutment damage, with SM_MPM resulting in the highest FS, followed by AM_CT. In contrast, most PEEK-supported crowns exhibited abutment distortion without crown damage or simultaneous crown and abutment damage.</p>","PeriodicalId":16866,"journal":{"name":"Journal of Prosthetic Dentistry","volume":" ","pages":""},"PeriodicalIF":4.8,"publicationDate":"2025-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145113530","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 workflow for manufacturing polyurethane-lined nasal prostheses: A dental technique.","authors":"Xiaonan Yu, Huan Liu, Zhihong Feng, Shizhu Bai","doi":"10.1016/j.prosdent.2025.08.031","DOIUrl":"https://doi.org/10.1016/j.prosdent.2025.08.031","url":null,"abstract":"<p><p>This technique describes the application of polyurethane liners in the digital fabrication of nasal prostheses. The method improves the durability and esthetics of silicone prostheses by enhancing tear resistance and achieving thinner marginal adaptation. Integrating polyurethane into the digital workflow simplifies the manufacturing process and improves prosthetic outcomes.</p>","PeriodicalId":16866,"journal":{"name":"Journal of Prosthetic Dentistry","volume":" ","pages":""},"PeriodicalIF":4.8,"publicationDate":"2025-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145102963","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, \"Influence of the use of a denture adhesive on salivary cells and candidal activity: A randomized clinical trial\" by Elsherbini et al.","authors":"Sukaina Hassan, Hassan Yaqoob, Taimur Khalid, Syed Murtaza Raza Kazmi","doi":"10.1016/j.prosdent.2025.07.030","DOIUrl":"https://doi.org/10.1016/j.prosdent.2025.07.030","url":null,"abstract":"","PeriodicalId":16866,"journal":{"name":"Journal of Prosthetic Dentistry","volume":" ","pages":""},"PeriodicalIF":4.8,"publicationDate":"2025-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145086343","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: Potential data overlap in meta-analysis of robotic vs. freehand implant accuracy.","authors":"Dr Wei Yi","doi":"10.1016/j.prosdent.2025.08.042","DOIUrl":"https://doi.org/10.1016/j.prosdent.2025.08.042","url":null,"abstract":"","PeriodicalId":16866,"journal":{"name":"Journal of Prosthetic Dentistry","volume":" ","pages":""},"PeriodicalIF":4.8,"publicationDate":"2025-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145075531","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, \"Influence of the use of a denture adhesive on salivary cells and candidal activity: A randomized clinical trial\".","authors":"Ahmed N Elsherbini, Tasneem M Soliman","doi":"10.1016/j.prosdent.2025.08.044","DOIUrl":"https://doi.org/10.1016/j.prosdent.2025.08.044","url":null,"abstract":"","PeriodicalId":16866,"journal":{"name":"Journal of Prosthetic Dentistry","volume":" ","pages":""},"PeriodicalIF":4.8,"publicationDate":"2025-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145064775","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}
Andrea Roccuzzo, Philippe Perrin, Hendrik Meyer-Lueckel, Richard Johannes Wierichs
{"title":"Long-term outcomes on direct fiber reinforced composite fixed partial dentures: A 14-year practice-based study.","authors":"Andrea Roccuzzo, Philippe Perrin, Hendrik Meyer-Lueckel, Richard Johannes Wierichs","doi":"10.1016/j.prosdent.2025.08.041","DOIUrl":"https://doi.org/10.1016/j.prosdent.2025.08.041","url":null,"abstract":"<p><strong>Statement of problem: </strong>A single-visit replacement of missing teeth without compromising future treatment options is an attractive solution valued by both patients and clinicians. Direct fiber-reinforced composite fixed partial dentures (DFRC-FPDs) offer a minimally invasive, immediate restorative option. However, clinical studies on DFRC-FPDs, especially those preserving intact enamel on abutment teeth, remain limited.</p><p><strong>Purpose: </strong>The purpose of this clinical study was to report the long-term outcomes of DFRC-FPDs from a single-center, practice-based cohort study and to investigate factors influencing their survival and success.</p><p><strong>Material and methods: </strong>A total of 153 DFRC-FPDs were inserted in 120 patients in a single private practice by 3 restorative dentists. The treatment encompassed either using cavities from existing restorations or direct bonding on intact enamel. The DFRC-FPDs were reinforced with fiber-splints (Everstick C+B). At the latest routine follow-up visit, restoration survival and success were recorded. Multi-level Cox proportional hazard models were used to evaluate the association between clinical factors and time (α=.05).</p><p><strong>Results: </strong>Within a mean follow-up period of 82 (range: 2 to 172) months, 18 DFRC-FPDs did not survive (cumulative survival rate: 88%) while additional 43 DFRC-FPDs received a restorative follow-up treatment (cumulative success rate: 60%). The annual failure rate was 1.7% for survival and 7.1% for success, respectively. In the multivariate analysis bruxism (P=.007) and the extensive use of flowable composite resin (CeramX+SDR Flow versus ELS, P=.015) were significant predictors for reduced success. Similarly, location (molars versus incisors or canines, P=.002) and the extensive use of flowable composite resin (CeramX+SDR Flow versus ELS, P=.015) significantly negatively influenced survival. The presence of proximal cavities did not significantly affect survival or success (P≥.593).</p><p><strong>Conclusions: </strong>For DFRC-FPDs, high survival and moderate success were observed after up to 14 years. DFRC-FPDs represent an immediate, long-term treatment option for replacing up to 2 missing teeth with no or minimal tooth preparation.</p>","PeriodicalId":16866,"journal":{"name":"Journal of Prosthetic Dentistry","volume":" ","pages":""},"PeriodicalIF":4.8,"publicationDate":"2025-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145058698","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, \"Accuracy in dental implant placement: A systematic review and meta-analysis comparing computer-assisted (static, dynamic, robotics) and noncomputer-assisted (freehand, conventional guide) approaches\".","authors":"Angkoon Khaohoen, Warit Powcharoen, Nobuhiro Yoda, Chaiy Rungsiyakull, Pimduen Rungsiyakull","doi":"10.1016/j.prosdent.2025.08.027","DOIUrl":"https://doi.org/10.1016/j.prosdent.2025.08.027","url":null,"abstract":"","PeriodicalId":16866,"journal":{"name":"Journal of Prosthetic Dentistry","volume":" ","pages":""},"PeriodicalIF":4.8,"publicationDate":"2025-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145058646","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}
Paola Bernardes, Amanda das Graças Soares, Bárbara Inácio de Melo, Leandro Maruki Pereira, Regina Guenka Palma-Dibb, Rafael Rocha Pacheco, Marcel Santana Prudente, Luís Henrique Araújo Raposo
{"title":"Effect of finishing protocols on dentin surface characteristics and bond strength after tooth preparation for indirect restorations.","authors":"Paola Bernardes, Amanda das Graças Soares, Bárbara Inácio de Melo, Leandro Maruki Pereira, Regina Guenka Palma-Dibb, Rafael Rocha Pacheco, Marcel Santana Prudente, Luís Henrique Araújo Raposo","doi":"10.1016/j.prosdent.2025.08.040","DOIUrl":"https://doi.org/10.1016/j.prosdent.2025.08.040","url":null,"abstract":"<p><strong>Statement of problem: </strong>The impact of different finishing protocols following preparation for indirect restorations on surface roughness, smear layer, and bond strength remains unclear, with potential implications for clinical longevity.</p><p><strong>Purpose: </strong>The purpose of this in vitro study was to evaluate the effect of different dentin finishing protocols on surface (roughness and morphology), smear layer thickness, and bond strength to a resin-matrix glass-ceramic.</p><p><strong>Material and methods: </strong>Unused preparation instruments were characterized under scanning electron microscopy (SEM), and 144 human third molars were prepared and divided into groups: control (medium grit diamond rotary instruments, no finishing [CT]), fine/superfine diamond rotary instruments [FB], fine/superfine tungsten carbide burs [CB], fine/superfine ultrasonic diamond tips [UT], SiC/Al₂O₃ mounted stones [MS], fine/superfine sintered diamond rotary instruments [SB], Al₂O₃ airborne-particle abrasion [AO], and resin coating [RC]. Surface roughness and morphology were analyzed using laser scanning confocal microscopy and SEM. Smear layer thickness was assessed using SEM combined with the ImageJ software program, and bond strength was evaluated using microtensile testing. One-way analysis of variance (ANOVA) and post hoc tests were used for statistical analysis, followed by Pearson correlation. Failure modes were analyzed using the chi-squared test (α=.05).</p><p><strong>Results: </strong>Significant differences in surface roughness, smear layer thickness, and bond strength were observed across the groups (P<.001). All finishing protocols resulted in lower surface roughness and higher bond strength compared with the control. RC achieved the highest bond strength, followed by MS. A very weak correlation was found between surface roughness, smear layer thickness, and bond strength.</p><p><strong>Conclusions: </strong>Finishing protocols affect dentin roughness, smear layer, and bond strength after tooth preparation. Resin coating and fine and superfine mounted SiC and Al₂O₃ stones improved adhesion and may enhance outcomes for indirect restorations.</p>","PeriodicalId":16866,"journal":{"name":"Journal of Prosthetic Dentistry","volume":" ","pages":""},"PeriodicalIF":4.8,"publicationDate":"2025-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145053749","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}
Shumin Ji, Ying Min, Yixuan Zhang, YanYan Luo, Haiou Sun, Can Cao
{"title":"Comparative effectiveness of the socket shield technique versus conventional implantation approaches in the esthetic zone: A systematic review and network meta-analysis.","authors":"Shumin Ji, Ying Min, Yixuan Zhang, YanYan Luo, Haiou Sun, Can Cao","doi":"10.1016/j.prosdent.2025.08.043","DOIUrl":"https://doi.org/10.1016/j.prosdent.2025.08.043","url":null,"abstract":"<p><strong>Statement of problem: </strong>The socket shield technique (SST) shows promising potential in esthetic dental implantation. Nonetheless, studies on its relative efficacy in comparison with other traditional implantation methods are limited.</p><p><strong>Purpose: </strong>The purpose of this network meta-analysis was to comparatively evaluate SST, conventional immediate implant placement (IIP), nonimmediate implant placement with guided bone regeneration (NIIP-GBR), and nonimmediate implant placement after alveolar ridge preservation (NIIP-ARP) for optimal soft and hard tissue preservation and outcomes in the esthetic zone.</p><p><strong>Material and methods: </strong>The review was registered at the International Prospective Register of Systematic Reviews (PROSPERO) (CRD42024627077) and conducted by following the Preferred Reporting Items for Systematic reviews and Meta-Analyses (PRISMA) guidelines. A comprehensive systematic search was performed across the PubMed, Embase, Web of Science, Scopus, and Cochrane Library electronic databases for studies published from January 2015 to November 2024. The outcomes included pink esthetic score (PES), labial bone thickness (LBT) changes, marginal bone loss (MBL), and patient-reported esthetic outcomes (PROs). A random-effects network meta-analysis was performed, with effect sizes calculated as weighted mean differences and 95% confidence intervals. Study quality and evidence certainty were assessed using Cochrane risk of bias and Grading of Recommendations Assessment, Development and Evaluation (GRADE) methodologies.</p><p><strong>Results: </strong>This network meta-analysis encompassed 19 studies, comprising 13 randomized controlled trials and 6 nonrandomized controlled trials, with a total of 760 dental implants situated in the esthetic zone. SST was associated with a superior pink esthetic score at the 6-month mark (PES-6M), showing superiority (IIP versus SST: MD=-1.31, 95%CI: -1.97, -0.66; NIIP-GBR versus SST: MD=-1.46, 95%CI: -2.80, -0.12; NIIP-ARP versus SST: MD=-1.88, 95%CI: -3.42, -0.35), and long-term follow-up over 12 months (PES-12M+, IIP versus SST: MD=-1.39, 95%CI: -1.86, -0.93; NIIP-GBR versus SST: MD=-1.50, 95%CI: -2.61, -0.40; NIIP-ARP versus SST: MD=-1.52, 95%CI: -2.97, -0.08). SST showed superiority in LBT changes (IIP versus SST: MD=0.52, 95%CI: 0.21,0.83), MBL exhibited no significant differences among comparisons. PROs indicated higher satisfaction with SST compared with IIP (MD=-0.27, 95%CI: -0.51, -0.02).</p><p><strong>Conclusions: </strong>Implant-supported prostheses with the socket shield technique demonstrated a superior postoperative esthetic outcome and the effective preservation of soft and hard tissues, suggesting that it is an optimal approach for the esthetic zone in patients with bone defects.</p>","PeriodicalId":16866,"journal":{"name":"Journal of Prosthetic Dentistry","volume":" ","pages":""},"PeriodicalIF":4.8,"publicationDate":"2025-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145054297","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}