Journal of Prosthodontics-Implant Esthetic and Reconstructive Dentistry最新文献

{"title":"Accuracy of occlusal relationships in 3D-printed dental casts: A comparative in vitro study.","authors":"Omar Alhinti, Yukio Kudara, Sarah Pagni, Khaled El Rafie, Konstantinos Vazouras, Marco Ferrari, Yo-Wei Chen","doi":"10.1111/jopr.70039","DOIUrl":"https://doi.org/10.1111/jopr.70039","url":null,"abstract":"<p><strong>Purpose: </strong>This in vitro study aimed to evaluate the accuracy of occlusal relationships in 3D-printed dental casts, comparing two mounting methodologies.</p><p><strong>Materials and methods: </strong>Maxillary and mandibular dental casts were scanned and digitized for virtual digital design as reference models. A total of 30 pairs of casts were printed using a digital light synthesis (DLS) 3D printer and mounted either based on hand articulation (Group HA) or using computer-aided design (CAD)-generated articulation pins (Group CAP). Accuracy was assessed by using the root mean square (RMS) values and linear measurements against the reference models.</p><p><strong>Results: </strong>Group HA demonstrated mean RMS values of 147.9, 133.9, and 166.5 for the canine, second premolar, and second molar regions, respectively, with a mean RMS value of 149.4. Group CAP had RMS values of 398.2, 298.9, and 301.4 for the same regions, respectively, averaging at 332.8. Statistically significant differences were observed between the two groups across all sites. Linear measurements also showed notable discrepancies, especially in Group CAP, with significant differences in vertical dimension when compared to the master standard tessellation language (STL) models.</p><p><strong>Conclusions: </strong>The mounting methodology influences the accuracy of occlusal relationships in 3D-printed dental casts. Group HA demonstrated greater accuracy and consistency in replicating occlusal relationships compared to Group CAP. These findings underscore the importance of selecting an appropriate mounting methodology for precise replication of occlusal relationships in prosthodontic treatments within digital workflows.</p>","PeriodicalId":49152,"journal":{"name":"Journal of Prosthodontics-Implant Esthetic and Reconstructive Dentistry","volume":" ","pages":""},"PeriodicalIF":3.4,"publicationDate":"2025-10-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145240211","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":"Methodological concern regarding \"Narrow-diameter implants for treatment with fixed restorations in the posterior region: A systematic review and meta-analysis\".","authors":"Mohammad Hosseini Hooshiar","doi":"10.1111/jopr.70041","DOIUrl":"https://doi.org/10.1111/jopr.70041","url":null,"abstract":"","PeriodicalId":49152,"journal":{"name":"Journal of Prosthodontics-Implant Esthetic and Reconstructive Dentistry","volume":" ","pages":""},"PeriodicalIF":3.4,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145200782","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":"Multidisciplinary approach to the management of oral commissure burns in pediatric patients: A case report.","authors":"Jessica E Canallatos, Robert Perry","doi":"10.1111/jopr.70037","DOIUrl":"https://doi.org/10.1111/jopr.70037","url":null,"abstract":"<p><p>Electrical burns to the oral commissure are uncommon injuries that can lead to significant functional and esthetic complications if not promptly and appropriately managed. This case report details the management of a 14-year-old male with post-burn oral commissure scarring resulting from an electrical injury sustained at the age of 6. The treatment included the fabrication and application of a custom commissure splint combined with intralesional corticosteroid injections by a plastic surgeon to improve scar pliability and oral function. The report highlights the integration of dental prostheses and surgical interventions to achieve favorable outcomes.</p>","PeriodicalId":49152,"journal":{"name":"Journal of Prosthodontics-Implant Esthetic and Reconstructive Dentistry","volume":" ","pages":""},"PeriodicalIF":3.4,"publicationDate":"2025-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145193590","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":"Functional and nutritional effects of mandibular two-implant overdentures in edentulous adults: A prospective clinical study.","authors":"Güleren Sabuncular, Ceren Küçük, Şule Aktaç, Ferit Bayram, Ayşe Hümeyra İslamoğlu, Fatma Esra Güneş","doi":"10.1111/jopr.70036","DOIUrl":"https://doi.org/10.1111/jopr.70036","url":null,"abstract":"<p><strong>Purpose: </strong>Edentulism is associated with impaired masticatory function and nutritional deficiencies, particularly in older adults. Implant-supported overdentures have been suggested as a prosthetic intervention to enhance chewing ability and improve dietary intake. This study aimed to evaluate the impact of mandibular two-implant overdentures on chewing ability, dietary intake, and nutritional status in edentulous middle-aged and older adults.</p><p><strong>Materials and methods: </strong>A prospective clinical study was conducted with 35 edentulous participants aged 50 years and older. Participants were assessed at four time points: baseline (T0), 3 months after receiving immediate complete dentures (T1), 3 months after transitioning to implant-supported overdentures (T2), and 6 months postimplant-supported overdenture placement (T3). Anthropometric measurements, 24-h dietary recall, and chewing ability assessments were performed at each time point.</p><p><strong>Results: </strong>Implant-supported overdentures significantly improved chewing ability and increased the intake of vitamins A, C, K, and folate (p < 0.05). However, body weight (F = 6.27, p = 0.001), body mass index (BMI; F = 6.31, p = 0.001), and mid-upper arm circumference (F = 6.89, p < 0.001) showed significant reductions over time. Participants with chewing difficulties consumed higher energy and protein but tended to avoid nutrient-dense foods.</p><p><strong>Conclusions: </strong>While mandibular two-implant overdentures enhance chewing ability and dietary intake, they do not fully address nutritional deficiencies. A multidisciplinary approach integrating dietary counseling with prosthetic rehabilitation is recommended to optimize nutritional outcomes in edentulous adults.</p>","PeriodicalId":49152,"journal":{"name":"Journal of Prosthodontics-Implant Esthetic and Reconstructive Dentistry","volume":" ","pages":""},"PeriodicalIF":3.4,"publicationDate":"2025-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145193628","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 \"Methodological concern regarding 'Narrow-diameter implants for treatment with fixed restorations in the posterior region: A systematic review and meta-analysis'\".","authors":"Aspasia Pachiou, Panagiotis Tsirogiannis, Alexis Ioannidis, Tim Joda, Nikitas Sykaras, Olga Naka","doi":"10.1111/jopr.70042","DOIUrl":"https://doi.org/10.1111/jopr.70042","url":null,"abstract":"","PeriodicalId":49152,"journal":{"name":"Journal of Prosthodontics-Implant Esthetic and Reconstructive Dentistry","volume":" ","pages":""},"PeriodicalIF":3.4,"publicationDate":"2025-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145193657","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":"Use of open-source software and photogrammetry in the fabrication of 3D-printed custom trays for edentulous patients: A technical guide.","authors":"João Victor Cunha Cordeiro, Lauren Bohner, Fernanda Pretto Zatt, Artur Ferronato Soto, Henrique Souza Dos Santos, Maria Eduarda Broering da Silva, Maurício Malheiros Badaró, Ricardo Armini Caldas","doi":"10.1111/jopr.70035","DOIUrl":"https://doi.org/10.1111/jopr.70035","url":null,"abstract":"<p><p>A technique is described to obtain a 3D-printed custom tray for complete dentures through open-source, free software and additive manufacturing. This approach enables the production of custom trays in a cost-effective and optimized manner. A three-dimensional (3D) digital cast is obtained by photogrammetry and later used to design a digital custom tray. Then, the digital custom tray is manufactured by a 3D printer to be used in clinical procedures. This technique is a clean, rapid, and low-cost alternative to the traditional technique.</p>","PeriodicalId":49152,"journal":{"name":"Journal of Prosthodontics-Implant Esthetic and Reconstructive Dentistry","volume":" ","pages":""},"PeriodicalIF":3.4,"publicationDate":"2025-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145092637","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 resin cement type and autoclaving on the retention of zirconia on Ti-base abutments.","authors":"Carlos Eduardo Sabrosa, Karen Geber","doi":"10.1111/jopr.70029","DOIUrl":"https://doi.org/10.1111/jopr.70029","url":null,"abstract":"<p><strong>Purpose: </strong>The cement interface is particularly important for successful zirconia-titanium base (Ti-base) restorations, as retention relies primarily on adhesive bonding. The aim of this in vitro study was to assess and compare the influence of a universal resin cement used with either a self-adhesive or adhesive bonding protocol versus adhesive resin cements on the retention of zirconia to Ti-base abutments, with and without autoclaving.</p><p><strong>Materials and methods: </strong>Zirconia buildups were cemented to titanium-base abutments using RelyX Universal (RXU) as a self-adhesive resin cement, RXU with a primer (RXU/SUP), Panavia V5 (PV5) with primer, or multilink hybrid abutment (MHA) with primer. Half of the specimens were autoclaved. Push-out testing was performed, and data were statistically evaluated using the analysis of variance (ANOVA), Tukey honest significant difference test, and family-wise error rate method.</p><p><strong>Results: </strong>Of the nonautoclaved groups, RXU/SUP showed the highest initial mean push-out load (1576.45 ± 195.86 N), followed by MHA (1268.10 ± 160.67 N), RXU (959.66 ± 139.24 N), and PV5 (905.84 ± 298.38 N). Autoclaving did not have a significant influence on cement push-out load when compared directly within cement pairs. The push-out load of RXU used as self-adhesive cement was similar to PV5 with primer. Retention of RXU/SUP and MHA groups was significantly higher than that of RXU or PV5.</p><p><strong>Conclusion: </strong>In this in vitro study, RXU performed as well as PV5 groups and required the fewest preparation steps, suggesting it may be a good option for improving workflow efficiency. Results indicated a marginally positive effect of autoclaving between pairs, however, it was not significant.</p>","PeriodicalId":49152,"journal":{"name":"Journal of Prosthodontics-Implant Esthetic and Reconstructive Dentistry","volume":" ","pages":""},"PeriodicalIF":3.4,"publicationDate":"2025-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145103106","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":"Survival outcomes of implants placed in the pterygoid region: A retrospective study of up to 9 years.","authors":"Avinash S Bidra, Paul Sim, Chia-Ling Kuo","doi":"10.1111/jopr.70031","DOIUrl":"https://doi.org/10.1111/jopr.70031","url":null,"abstract":"<p><strong>Purpose: </strong>The purpose of this study was to evaluate the survival outcomes of dental implants placed in the pterygoid region and assess the potential influence of multiple clinical variables on their survival.</p><p><strong>Materials and methods: </strong>A retrospective chart review was conducted on pterygoid implants placed over a 9-year period at the University of Connecticut Department of Prosthodontics. All pterygoid implants were placed by a single board-certified prosthodontist following a standardized surgical protocol. The implants were restored by various clinicians during the 9-year period. Data collected included implant size and type, loading protocol, surgical and prosthetic complications, patient gender, presence of parafunctional habits, and type of opposing dentition. A life table was used to calculate interval survival rates (ISR) and cumulative survival rates (CSR) of pterygoid implants.</p><p><strong>Results: </strong>A total of 102 pterygoid implants placed in 69 patients (32 males, 37 females) were eligible for this retrospective study. The mean follow-up time was 34.35 months. A total of five implant failures were observed, resulting in a cumulative survival rate of 94.74%. All implant failures occurred within the first 4 to 5 months following implant placement and prior to any functional loading, suggesting a failure to achieve osseointegration. No intraoperative complications were noted, and only one postoperative surgical complication was observed, which was successfully managed without further issue.</p><p><strong>Conclusions: </strong>Roughened surface implants placed in the pterygoid region offer favorable implant survival of 95% with minimal complications.</p>","PeriodicalId":49152,"journal":{"name":"Journal of Prosthodontics-Implant Esthetic and Reconstructive Dentistry","volume":" ","pages":""},"PeriodicalIF":3.4,"publicationDate":"2025-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145016462","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":"Enhancing the accuracy of full-arch digital implant impressions via segmentation: An in vitro study.","authors":"Mikel Iturrate, Xabier Amezua, Mikel Jauregi, Eneko Solaberrieta","doi":"10.1111/jopr.70032","DOIUrl":"https://doi.org/10.1111/jopr.70032","url":null,"abstract":"<p><strong>Purpose: </strong>The aim of this in vitro study was to assess whether the accuracy (trueness and precision) of full-arch implant digital impressions can be improved by replacing standard digital impressions (StDIs) with segmented digital impressions (SgDIs), obtained by superimposing short-span digital impressions using a geometric pattern.</p><p><strong>Materials and methods: </strong>The study was conducted using a commercial edentulous maxillary model with four implants-positioned at the sites of the canines and second molars-and four commercial intraoral scan bodies (ISBs) screwed to them. Ten StDIs and SgDIs of the model were obtained, and their accuracy was evaluated and compared in terms of trueness and precision, based on measurements of three distances and three angles between the ISBs.</p><p><strong>Results: </strong>The results of this study indicated that the SgDIs were significantly more accurate than the StDIs. The trueness and precision of the three distances measured in the SgDIs were better than those of the distances measured in the StDIs, in a statistically significant way. The trueness and precision of the angles measured in the SgDIs were, in general, also better than those of the angles measured in the StDIs, but in this case the differences were not statistically significant for all the measured angles.</p><p><strong>Conclusions: </strong>Based on the results of this study, it was concluded that improving the accuracy of full-arch digital implant impressions through segmentation is feasible, even showing that accuracy values compatible with a passive fit of implant-supported full-arch prostheses can be achieved.</p>","PeriodicalId":49152,"journal":{"name":"Journal of Prosthodontics-Implant Esthetic and Reconstructive Dentistry","volume":" ","pages":""},"PeriodicalIF":3.4,"publicationDate":"2025-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145016450","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 material, prosthesis height, and aging on the fracture strength of additively and subtractively manufactured implant-supported cantilevered prostheses.","authors":"Mustafa Borga Dönmez, Paola Maldonado, Çiğdem Kahveci, Ahmet Orgev, Marta Revilla-León, Burak Yilmaz, Gülce Cakmak","doi":"10.1111/jopr.70028","DOIUrl":"https://doi.org/10.1111/jopr.70028","url":null,"abstract":"<p><strong>Purpose: </strong>This study aimed to evaluate the inherent and after cyclic loading fracture strength of implant-supported cantilevered fixed prostheses fabricated from recently introduced additively manufactured (AM) and subtractively manufactured (SM) materials, considering variations in prosthesis height.</p><p><strong>Materials and methods: </strong>Three cylinder-shaped master files (20 mm long and 11 mm wide) with varying heights (7, 11, and 15 mm) and a titanium-base (Ti-base) abutment space were designed. These designs were used to fabricate a total of 144 specimens with two AM resins indicated for definitive use (Crowntec; AM-CT and Flexcera Smile Ultra+; AM-FS), one high-impact polymer composite (breCAM.HIPC; SM-CR), and one SM strength gradient zirconia (IPS e.max ZirCAD Prime; SM-ZR) (N = 12). Following fabrication, all specimens and Ti-base abutments were prepared according to their respective manufacturers' recommendations prior to adhesive cementation using an autopolymerizing luting composite resin. Each set of specimens was then divided into two subgroups: control and cyclically loaded (n = 6). The specimens in the control groups were subjected to a load-to-fracture test, while the specimens in the cyclically loaded groups underwent 1.2 million loading cycles at 50 N and 1.7 Hz. The surviving specimens from cyclically loaded groups were then tested for load-to-fracture in the same manner. Data were analyzed with generalized linear model analysis and Bonferroni-corrected post hoc tests after logarithmic conversion (α = 0.05).</p><p><strong>Results: </strong>The fracture strength of tested specimens was affected by the interaction between the material type and aging condition, material type, and prosthesis height (p ≤ 0.020). SM-ZR specimens had the highest and AM-CT specimens had the lowest fracture strength values (p < 0.001), when aged or non-aged. The fracture resistance values of the specimens significantly increased as the prosthesis height increased (p ≤ 0.001). One AM-CT specimen and two AM-FS specimens, all 7 mm in height, failed during cyclic loading.</p><p><strong>Conclusions: </strong>AM-FS and AM-CT resins may resist masticatory forces in the molar region when the prosthetic height is not smaller than 11 and 15 mm, respectively, despite the use of a molar-size cantilever in the tested thickness.</p>","PeriodicalId":49152,"journal":{"name":"Journal of Prosthodontics-Implant Esthetic and Reconstructive Dentistry","volume":" ","pages":""},"PeriodicalIF":3.4,"publicationDate":"2025-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145016420","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}