我科自1980年以来,对134个后牙残根残冠利用成品塑料牙进行保留修复,经过几年的观察,效果良好,不但解决了后牙残根残冠不需拔除的问题,而且提高了后牙的色泽、形态及耐磨性。现报告如下。 Since 1980, our department has retained and repaired 134 residual teeth of the residual teeth of the posterior teeth with the finished plastic teeth. After several years of observation, the effect is good, which not only solves the problem of removing the residual crown of the residual teeth of the posterior teeth but also improves After the teeth of the color, shape and wear resistance. The report is as follows.