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Fit Accuracy of Removable Partial Denture Frameworks Fabricated with CAD/CAM, Rapid Prototyping, and Conventional Techniques: A Systematic Review
BioMed Research International ( IF 2.6 ) Pub Date : 2021-09-07 , DOI: 10.1155/2021/3194433
Naseer Ahmed 1, 2 , Maria Shakoor Abbasi 2 , Sara Haider 3 , Nimra Ahmed 3 , Syed Rashid Habib 4 , Sara Altamash 5 , Muhammad Sohail Zafar 6, 7 , Mohammad Khursheed Alam 8
Affiliation  

Objective. Analyzing and comparing the fit and accuracy of removable partial denture (RPDs) frameworks fabricated with CAD/CAM and rapid prototyping methods with conventional techniques. Materials and Methods. The present systematic review was carried out according to PRISMA guidelines. The search was carried out on PubMed/MEDLINE, Cochrane collaboration, Science direct, and Scopus scientific engines using selected MeSH keywords. The articles fulfilling the predefined selection criteria based on the fit and accuracy of removable partial denture (RPD) frameworks constructed from digital workflow (CAD/CAM; rapid prototyping) and conventional techniques were included. Results. Nine full-text articles comprising 6 in vitro and 3 in vivo studies were included in this review. The digital RPDs were fabricated in all articles by CAD/CAM selective laser sintering and selective laser melting techniques. The articles that have used CAD/CAM and rapid prototyping technique demonstrated better fit and accuracy as compared to the RPDs fabricated through conventional techniques. The least gaps between the framework and cast () were found in RPDs constructed through digital CAD/CAM systems. Conclusion. A better accuracy was achieved using CAD/CAM and rapid prototyping techniques. The RPD frameworks fabricated by CAD/CAM and rapid prototyping techniques had clinically acceptable fit, superior precision, and better accuracy than conventionally fabricated RPD frameworks.

中文翻译:

使用 CAD/CAM、快速成型和传统技术制造的可摘局部义齿框架的拟合精度:系统评价

客观。分析和比较使用 CAD/CAM 和快速成型方法与传统技术制造的可摘局部义齿 (RPD) 框架的适合度和准确性。材料和方法。本系统评价是根据 PRISMA 指南进行的。使用选定的 MeSH 关键字在 PubMed/MEDLINE、Cochrane 协作、Science direct 和 Scopus 科学引擎上进行搜索。基于数字工作流程(CAD/CAM;快速成型)和传统技术构建的可摘局部义齿 (RPD) 框架的适合性和准确性,满足预定义选择标准的文章也包括在内。结果. 本综述收录了 9 篇全文文章,包括 6 篇体外研究和 3 篇体内研究。所有文章中的数字 RPD 都是通过 CAD/CAM 选择性激光烧结和选择性激光熔化技术制造的。与通过传统技术制造的 RPD 相比,使用 CAD/CAM 和快速原型制作技术的文章表现出更好的拟合和准确性。框架和铸件之间的间隙最小()在通过数字 CAD/CAM 系统构建的 RPD 中发现。结论。使用 CAD/CAM 和快速原型制作技术实现了更好的精度。通过 CAD/CAM 和快速成型技术制造的 RPD 框架比传统制造的 RPD 框架具有临床可接受的贴合度、更高的精度和更好的准确度。
更新日期:2021-09-07
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