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Registration of cone beam computed tomography data and intraoral surface scans – A prerequisite for guided implant surgery with CAD/CAM drilling guides

机译:记录锥形束计算机断层扫描数据和口腔内表面扫描–使用CAD / CAM钻孔导引器进行植入式植入手术的先决条件

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摘要

ObjectivesGuided implant surgery (GIS) is performed with drilling guides that are produced on the virtual tooth model using CAD/CAM technology. The prerequisite for this workflow is the alignment of patients cone beam computed tomography CBCT and surface scan (registration). Dental restorations may cause deteriorating imaging artifacts in CBCT data, which in turn can have an impact on the registration process. The influence of the user and the preprocessing of data and of image artifacts on the registration accuracy were examined.
机译:目的使用由CAD / CAM技术在虚拟牙齿模型上产生的钻孔导向器来执行引导式植入物手术(GIS)。此工作流程的先决条件是患者锥束计算机断层扫描CBCT和表面扫描(注册)的对齐。牙齿修复可能会导致CBCT数据中的成像伪影恶化,进而对注册过程产生影响。检查了用户以及数据预处理和图像伪影对套准精度的影响。

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