椅旁计算机辅助设计与制作技术应用于根管治疗后牙体修复的研究进展

Research advance on the application of chairside computer aided design/computer aided manufacturing technology in restoration of endodontically treated teeth

根管治疗后的牙齿(ETT)由于牙髓及牙体结构的缺失会导致脆性变大,牙折风险增高。因此,ETT的牙体修复是必要的。常见的牙体修复方式包括嵌体、全冠和桩核冠等,但传统的修复流程耗时长、临床步骤多。计算机辅助设计与制作(CAD/CAM)技术使得椅旁修复得以实现,为ETT的牙体修复提供便利和效率。本文就椅旁CAD/CAM技术在ETT牙体修复的应用进行回顾,介绍ETT的修复设计及CAD/CAM的材料进展。

Endodontically treated teeth(ETT)are prone to fracture due to the loss of pulp and tooth structure.Therefore,it is necessary to restore the tooth structure after root canal treatment.Inlay and post-core crown are widely used for dental restoration,but the traditional restoration process requires multiple manufacturing steps and clinic-visits.At present,the computer-aided design and computer-aided manufacturing(CAD/CAM)technology yenablesdental restoration to be chairside-manufactured,providing great convenience to reconstruct the crown structure of ETT.This article reviewed the application of chairside CAD/CAM technology in the restoration of ETT,and also introduced the prosthetic design of ETT and the progress of CAD/CAM materials.