冠根联合内固位体修复牙冠严重缺损施亮为解决后牙冠部分缺损，甚至仅残存一侧轴壁，用冠根联合内固位体为核心，然后在其表面以光固化复合树脂或银汞合金等充填材料修复牙冠外形的充填方法，取得了较好效果，现报道如下：１材料和方法１．１适应证各种原因所致牙冠大部缺... Crown root combined with internal fixator repair of severe dental crown Shi Liang In order to solve the partial defect of the posterior crown, and even only the left side of the shaft wall, with the crown root combined with internal fixative as the core, and then its surface with light-cured composite resin Or amalgam filling materials such as crown repair crown shape filling method, and achieved good results, are reported as follows: 1 Materials and methods 1.1 Indications for a variety of reasons caused most of the tooth crown ...