桥台
牙种植体
植入
材料科学
萃取(化学)
断裂(地质)
牙科
复合材料
医学
结构工程
工程类
外科
化学
色谱法
作者
Kan Zeng,Yunmei Dong,Lei Li
标识
DOI:10.1016/j.prosdent.2022.10.018
摘要
Abutment screw fracture is a mechanical complication associated with the failure of dental implant-supported restorations. Retrieval of fractured abutment screws without damaging the internal surface of implants is challenging and can be time-consuming. Microtube extraction devices are used to remove separated endodontic instruments. This article presents a conservative method of retrieving a fractured implant abutment screw using a microtube device.
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