The Journal of Prosthetic Dentistry最新文献

{"title":"Computer guided root tip extraction and implant placement: A clinical report","authors":"Min Jeong, David H. Kwon, Sang J. Lee","doi":"10.1016/j.prosdent.2023.11.037","DOIUrl":"https://doi.org/10.1016/j.prosdent.2023.11.037","url":null,"abstract":"<p>Extraction of a residual root tip and implant placement can be challenging because of the complexity and invasiveness of the procedure. Improvised application of a guided implant surgery may avoid such challenges. This clinical report presents an innovative technique combining a 3-dimensionally printed surgical guide with conventional instrumentation for a residual root tip extraction in a minimally invasive and predictable way.</p>","PeriodicalId":501672,"journal":{"name":"The Journal of Prosthetic Dentistry","volume":"27 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139373235","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Advancements in artificial intelligence algorithms for dental implant identification: A systematic review with meta-analysis","authors":"Ahmed Yaseen Alqutaibi, Radhwan S. Algabri, Dina Elawady, Wafaa Ibrahim Ibrahim","doi":"10.1016/j.prosdent.2023.11.027","DOIUrl":"https://doi.org/10.1016/j.prosdent.2023.11.027","url":null,"abstract":"<h3>Statement of problem</h3><p>The evidence regarding the application of artificial intelligence (AI) in identifying dental implant systems is currently inconclusive. The available studies present varying results and methodologies, making it difficult to draw definitive conclusions.</p><h3>Purpose</h3><p>The purpose of this systematic review with meta-analysis was to comprehensively analyze and evaluate articles that investigate the application of AI in identifying and classifying dental implant systems.</p><h3>Material and methods</h3><p>An electronic systematic review was conducted across 3 databases: MEDLINE/PubMed, Cochrane, and Scopus. Additionally, a manual search was performed. The inclusion criteria consisted of peer-reviewed studies investigating the accuracy of AI-based diagnostic tools on dental radiographs for identifying and classifying dental implant systems and comparing the results with those obtained by expert judges using manual techniques—the search strategy encompassed articles published until September 2023. The Quality Assessment of Diagnostic Accuracy Studies-2 (QUADAS-2) tool was used to assess the quality of included articles.</p><h3>Results</h3><p>Twenty-two eligible articles were included in this review. These articles described the use of AI in detecting dental implants through conventional radiographs. The pooled data showed that dental implant identification had an overall accuracy of 92.56% (range 90.49% to 94.63%). Eleven studies showed a low risk of bias, 6 demonstrated some concern risk, and 5 showed a high risk of bias.</p><h3>Conclusions</h3><p>AI models using panoramic and periapical radiographs can accurately identify and categorize dental implant systems. However, additional well-conducted research is recommended to identify the most common implant systems.</p>","PeriodicalId":501672,"journal":{"name":"The Journal of Prosthetic Dentistry","volume":"37 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139064245","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Clinical wear of different types of denture teeth after one year in service: A clinical study","authors":"Nader Abdulhameed, Bryce Volschow, Tania Abedi, Nicole Bifaretti, Inessa Slipak, Alexandra Manibo, Hind Hussein","doi":"10.1016/j.prosdent.2023.11.031","DOIUrl":"https://doi.org/10.1016/j.prosdent.2023.11.031","url":null,"abstract":"<h3>Statement of problem</h3><p>Worn denture teeth are a common reason for replacing complete dentures. However, clinical studies on the amount of denture tooth wear are lacking.</p><h3>Purpose</h3><p>The purpose of this clinical study was to compare the clinical wear of denture teeth made from double cross-linked (DCL) versus highly cross-linked (HCL) materials after 1 year in service.</p><h3>Material and methods</h3><p><span>Fourteen participants received maxillary and mandibular removable complete dentures (RCDs). The participants randomly received either DCL or HCL teeth. Each RCD was scanned with an intraoral scanner 1 week after finishing any </span>occlusal adjustment<span><span> and after 1 year. Occlusal contact marks were recorded using </span>articulating paper<span>, and photographs were made in centric and eccentric movements. The generated 1-week and 1-year standard tessellation language (STL) files of the scans were obtained and trimmed using the Geomagic X software program. After merging the files, the depth of the wear facets was measured using the software program tool that measures the vertical gap distance in micrometers at 100 points distributed on the contact areas. These areas were identified by using the segment tools in the software program. Repeated measures ANOVA was used to analyze the differences between the collected data (α=.05).</span></span></p><h3>Results</h3><p>The DCL had higher mean ±standard deviation wear (62.7 ±40 µm) than the HCL (37 ±31 µm) after 1 year in service (<em>P</em>&lt;.001).</p><h3>Conclusions</h3><p>Both DCL and HCL denture teeth showed acceptable clinical wear after 1 year of clinical use. HCL denture teeth showed more resistance to occlusal wear than DCL denture teeth.</p>","PeriodicalId":501672,"journal":{"name":"The Journal of Prosthetic Dentistry","volume":"21 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139067921","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A digital and cast-free workflow for fabricating a definitive hollow obturator prosthesis for a maxillectomy defect: A dental technique","authors":"Dan Ma, Xin Wang, Tingmin Zhang, Shizhu Bai","doi":"10.1016/j.prosdent.2023.11.011","DOIUrl":"https://doi.org/10.1016/j.prosdent.2023.11.011","url":null,"abstract":"<p>This article presents a novel digital and cast-free workflow for fabricating a definitive hollow obturator prosthesis. A digital altered cast is made after the framework-fitting appointment to maximize support. The framework, hollow obturator base, and teeth are digitally designed, additively manufactured, and then assembled precisely without a cast. This method simplifies the laboratory process, reduces human errors, and provides a prosthesis with high accuracy and good fit.</p>","PeriodicalId":501672,"journal":{"name":"The Journal of Prosthetic Dentistry","volume":"45 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138817146","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Accuracy of an optical robotic computer-aided implant system and the trueness of virtual techniques for measuring robot accuracy evaluated with a coordinate measuring machine in vitro","authors":"Libo Zhou, Weiwei Teng, Xinru Li, Yucheng Su","doi":"10.1016/j.prosdent.2023.11.004","DOIUrl":"https://doi.org/10.1016/j.prosdent.2023.11.004","url":null,"abstract":"<h3>Statement of problem</h3><p>A unified standard for measuring robot implantation errors has not yet been established. A coordinate measuring machine (CMM) measures the coordinates of an object with high accuracy. However, evaluations of the accuracy of a robotic computer-assisted implant system (R-CAIS) using CMM are lacking.</p><h3>Purpose</h3><p>The purpose of this in vitro study was to evaluate the accuracy of an optics-based R-CAIS using a CMM and to assess the accuracy of cone beam computed tomography<span> (CBCT), a laboratory scanner (LS), and an intraoral scanner (IOS) in measuring the accuracy of the R-CAIS.</span></p><h3>Material and methods</h3><p><span>Two 60×50×40-mm cubic models were prepared for the experiment. One master model and several replica models were used for the first part. Employing a robotic system software, virtual planning was performed on the digital imaging and communications in medicine (DICOM) image of the master model, and spatial mapping was performed by using an optical tracking marker (OT-marker) to ensure that virtual planning of the master model could be executed when replica casts were drilled and placed the implants. The actual placements of the implants in the replica casts were measured by using CMM. The errors between the actual and virtual-planned positions were calculated. In the second part, virtual planning was performed on the experimental model, and an optics-based R-CAIS was used to drill holes and place the implants. The actual positions of the implants were measured by using CMM, CBCT, LS, and IOS. The errors between the actual and virtual-planned positions were calculated, and the error results among groups were compared by 1-way analysis of variance or a nonparametric test. The Dunnett test was used for </span>post hoc comparison (α=.05).</p><h3>Results</h3><p>In the first part, the entry, apical, and angle deviations were 0.33 ±0.10 mm, 0.41 ±0.11 mm, and 0.33 ±0.13 degrees, respectively. In the second part, as compared with CMM, no statistically significant differences were observed in the LS group (<em>P</em>&gt;.05), whereas significant differences were observed in entry-depth, entry, apical-depth, apical, and angle deviations in the IOS group, as well as in entry-depth and apical-depth deviations in the CBCT group (all <em>P</em>&lt;.05).</p><h3>Conclusions</h3><p>The optical-based R-CAIS exhibited high accuracy. The application of CBCT for clinical implantation may be close to that of the true deviation.</p>","PeriodicalId":501672,"journal":{"name":"The Journal of Prosthetic Dentistry","volume":"4614 2 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138569888","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Autogenous bone block osteotomy in the chin using a robotic system: A clinical report","authors":"Lin Zhou, Jiamin Ding, Yanjun Xiao, Yitian Liu, Jiang Chen, Dong Wu","doi":"10.1016/j.prosdent.2023.10.036","DOIUrl":"https://doi.org/10.1016/j.prosdent.2023.10.036","url":null,"abstract":"<p>An autogenous bone block osteotomy<span> in the chin assisted by a robotic system is described. The size of the required bone graft was designed in the robotic system before surgery, and a precise bone block osteotomy was achieved with the assistance of the robotic system in a visualized, safe, and accurate surgical approach.</span></p>","PeriodicalId":501672,"journal":{"name":"The Journal of Prosthetic Dentistry","volume":"22 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138569877","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Interdisciplinary treatment for an adolescent with fusion of the left maxillary lateral and central incisors: A clinical report","authors":"Larry Michael Over, Steven J. Sadowsky, Shawn LeMert, Michael Dryden","doi":"10.1016/j.prosdent.2023.11.013","DOIUrl":"https://doi.org/10.1016/j.prosdent.2023.11.013","url":null,"abstract":"<p><span>The interdisciplinary treatment provided for a 12-year-old boy with fusion of his left central and lateral incisors and concomitant distal space loss is described. His treatment was initiated with </span>orthodontic<span><span><span> therapy followed by endodontic treatment of the </span>fused tooth. A conservative </span>zirconia<span> and porcelain cantilevered bonded fixed dental prosthesis<span> was then completed to replace his left lateral incisor.</span></span></span></p>","PeriodicalId":501672,"journal":{"name":"The Journal of Prosthetic Dentistry","volume":"39 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138569889","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A digital technique for cloning the emergence profile of the interim to the definitive implant-supported restoration","authors":"Yolanda Natali Raico Gallardo, Jorge Noriega, Isabela Rodrigues-Olivio, Newton Sesma","doi":"10.1016/j.prosdent.2023.10.035","DOIUrl":"https://doi.org/10.1016/j.prosdent.2023.10.035","url":null,"abstract":"<p>The subgingival contour of implant-supported restorations is key to ensuring the long-term health of the peri-implant bone and soft tissues. This report describes a step-by-step technique used to accurately clone the emergence profile of the interim crown for the definitive implant-supported restoration.</p>","PeriodicalId":501672,"journal":{"name":"The Journal of Prosthetic Dentistry","volume":"16 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138569887","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Influence of intraoral scanning duration on data accuracy","authors":"Cunliang Zhang, Xin Zhan, Fanghuan Wang, Ying Wu, Yingjie Yi, Jiali Meng, Guofeng Wu","doi":"10.1016/j.prosdent.2023.10.022","DOIUrl":"https://doi.org/10.1016/j.prosdent.2023.10.022","url":null,"abstract":"<h3>Statement of problem</h3><p>The use of intraoral scanners (IOSs) correlates with clinical outcome and patient satisfaction. While the accuracy of IOSs has been well evaluated, studies on the effect of scanning duration on data accuracy are limited.</p><h3>Purpose</h3><p>The purpose of this in vitro study was to investigate the relationship between different scanning durations and the accuracy of the scanned data.</p><h3>Material and methods</h3><p>Two experienced operators used the same intraoral scanner (TRIOS 3; 3Shape A/S) to scan a gypsum cast, but with 5 different scanning durations (30 seconds, 60 seconds, 90 seconds, 120 seconds, and 180 seconds), and the trueness of the scanned data was assessed. Ten scans for each duration group were performed, and all the acquired data were evaluated for precision analysis. In addition, each scanned complete arch cast was divided into anterior and posterior regions at the canine teeth, and the 3-way ANOVA test was used to assess the scanning trueness and precision of the scanned anterior and posterior dental arch.</p><h3>Results</h3><p>The intraoral scanning results between the 2 operators were highly consistent. The data of the 30-second group showed the lowest trueness and precision (<em>P</em>&lt;.001), whereas no significant difference was found among the other groups (<em>P</em>&gt;.05). The trueness and precision of the scanning data in the posterior region was inferior to that in the anterior region (<em>P</em>&lt;.001).</p><h3>Conclusions</h3><p>The duration time of the intraoral scanning (ranging from 60 seconds to 180 seconds) did not influence the accuracy of the acquired data, while excessively rapid scanning adversely affected accuracy.</p>","PeriodicalId":501672,"journal":{"name":"The Journal of Prosthetic Dentistry","volume":"13 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138580674","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}