生活水平的提高 ,人们对健康需要 ,不少人提出了保留残缺的要求。不少中老年人 ,或因糖尿病等全身因素 ,不适宜拔牙 ,又不是种植牙适应症 ,加之牙髓病治疗新技术广泛有效开展 ,大都可因成功的根管治疗 ,使多数牙残冠根得以保留 ,现将一种修复方法报告如下。1　资料与方法1.1　 The improvement of living standards, people's health needs, many people put forward to retain the incomplete requirements. Many middle-aged and elderly, or due to systemic factors such as diabetes, is not suitable for tooth extraction, implants are not indications, coupled with the effective treatment of dental pulp new technologies widely available, mostly due to successful root canal treatment, the majority of residual tooth crown root To be retained, now a repair method is reported as follows. 1 Materials and Methods 1.1