数字化印模与锥形束CT配准技术的相关研究进展

doi:10.12337/zgkqzzxzz.2021.12.013

摘要/Abstract

摘要： 随着数字化技术发展的日新月异,口腔种植学领域也进入了数字化时代。数字化种植导板系统凭借其精准、微创、缩短手术时间、安全性高等优势,在口腔种植中的应用日趋广泛,但数字化种植导板辅助下植入的种植体位置仍与术前的设计存在一定的偏差,其误差来自于术前数据收集、导板设计、导板制作与打印、手术过程及患者个体差异等的误差累计,其中在导板设计环节中数字化印模数据与CBCT的配准被认为是影响种植导板精确度的关键因素之一,因此,本文旨在就数字化印模与CBCT配准技术的现状及误差来源做一综述,以期为口腔临床及基础研究提供相关参考。

关键词: 配准, 数字化印模, 锥形束计算机体层摄影, 数字化种植导板, 误差

Abstract: In recent years, the rapid development of digital technology leads to great upgrading in dental technology and comprehensive changes in dental implantology. Dental implant placement through a digital implant surgical guide system brings many advantages, like keeping them minimally invasive, the reduction in operative times, and, mainly, a more safe application. However, the postoperative position assisted by the digital implant surgical guide still has a certain deviation from the ideal position of preoperative design. In the entire process of computer-assisted, digital implant guide surgery, from preoperative data collection, guide plate design, guide plate production and printing, to the operation process, multiple links may have an impact on the accuracy of implantation. The registration of digital impression data and CBCT in the design of digital implant surgical guides is considered to be one of the key technologies affecting the accuracy of static surgical guides. This review article introduces the current research status and error sources of registration technology of digital impression and CBCT, to provide beneficial references for oral clinical and basic research.

Key words: Registration, Digital impression, Cone-beam computed tomography, Digital implant surgical guide, Deviation

李淑芬,等魏斌. 数字化印模与锥形束CT配准技术的相关研究进展[J]. 中国口腔种植学杂志, 2021, 26(6): 405-410. DOI: 10.12337/zgkqzzxzz.2021.12.013

Li Shufen, Wei Bin. Research progress on registration technology of digital impression and CBCT[J].Chinese Journal of Oral Implantology, 2021, 26(6): 405-410.DOI: 10.12337/zgkqzzxzz.2021.12.013.

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