残根残冠是口腔的常见病及多发病，过去对这种牙多采用拔除后进行活动义齿修复，效果不如固定修复体．我科从1996年起采用很管治疗后进行桩核烤瓷冠的固定修复新技术共治疗35例，经过12年的临床观察，效果满意，现报道如下．1临床资料1．1病例选择上下前牙、尖牙、双尖牙，牙冠 Residue residual crown is a common oral and common disease, in the past on the removal of such teeth after more dentures to repair, the effect is not as fixed prosthesis. Since 1996, our department has adopted a series of new techniques for the treatment of post-core porcelain fused permanent porcelain crowns. 35 cases have been treated with satisfactory results after 12 years of clinical observation and are reported as follows. 1 clinical data 1.1 case selection upper and lower anterior teeth, canines, bicuspid teeth, crowns