根面龋是一种发生在釉牙骨质交界处的牙本质、牙骨质龋损,是危害老年人口腔健康的常见病和多发病,其发病率约为63.69%[1],严重者常造成老年人牙折、牙齿丧失,因而已成为影响老年人咀嚼功能及身体健康的重要因素。本文采用玻璃纤维桩根管内固位外覆烤瓷全冠修复方法治疗根面龋患者 Root caries is a type of dentin and cementum that occurs at the junction of enamel and cementum. It is a common and frequently-occurring disease that endangers the oral health of the elderly. The incidence rate is about 63.69% [1]. In severe cases Often caused by the elderly teeth, teeth loss, which has become an important factor affecting the elderly chewing function and health. In this paper, the use of glass fiber post-canal internal fixation porcelain crown restoration method for the treatment of root caries