摘要
口内三维扫描技术发展迅速,精度不断提高,已被广泛应用于口腔医学领域。在单冠修复、三单位固定桥以及单枚种植体上部修复方面,口内三维扫描仪的扫描精度可满足临床要求;但在跨度过大的固定修复领域,其扫描精度仍存在不足。由于光学扫描原理的局限,目前临床难以通过口内三维扫描仪直接获取功能整塑后的软组织形态,口内三维扫描技术尚存在技术瓶颈。本文通过回顾和总结常见口内三维扫描仪对口腔软硬组织的扫描精度,分析口内三维扫描技术的临床适用性及局限性,以期为临床决策提供参考。
Intraoral three-dimensional scanning technology has been adopted in stomatology field and developed rapidly with improved accuracy.At present,the scanning accuracy of the intraoral three-dimensional scanners used in restoration of single crown,three unit fixed partial bridge and single implant crown satisfies the clinical requirements.While for restoration of multi-unit fixed,the scanning accuracy is not enough.There are still technical bottlenecks for scanning functional motion boundary of soft tissue,especially for direct acquisition of edentulous functional impressions.Through literature review and analysis,we summarize the intraoral scanning accuracy of oral hard and soft tissues,and analyze the clinical applicability and limitations of intraoral scanning technology,providing reference for clinical application.
作者
曹悦
陈俊锴
赵一姣
王勇
孙玉春
Cao Yue;Chen Junkai;Zhao Yijiao;Wang Yong;Sun Yuchun(Center of Digital Dentistry,Faculty of Prosthodontics,Peking University School and Hospital of Stomatology&National Clinical Research Center for Oral Diseases&National Engineering Laboratory for Digital and Material Technology of Stomatology&Research Center of Engineering and Technology for Digital Dentistry of Ministry of Health&Beijing Key Laboratory of Digital Stomatology,Beijing 100081,China)
出处
《中华口腔医学杂志》
CAS
CSCD
北大核心
2020年第3期201-205,共5页
Chinese Journal of Stomatology
基金
装备预研教育部联合基金(6141A0202604)
首都科技领军人才培养工程(Z191100006119022)
首都卫生发展科研专项(首发2018-2-4103)。
关键词
牙模型
精度
数字化印模技术
口内三维扫描技术
Dental models
Accuracy
Dental impression technique
Intraoral three-dimensional scanning technique
