168例残冠残根保存修复的临床疗效分析

Clinical Application of the Preservative Restoration of 168 Patients'residual Crowns and Residual Roots.

目的观察有临床保留价值的残冠残根经根管治疗后行桩核固位,金属烤瓷冠修复的疗效分析[1]。方法选择有保留价值的残冠残根168例,进行完善的根管治疗,后行桩核固位,金属烤瓷冠修复。结果经3年的临床观察,201颗患牙成功190颗,成功率94.52%,效果满意。结论桩核冠修复方法能较好地利用残冠残根,恢复牙体解剖结构和生理功能,美观舒适,从而达到保存修复的目的。

Objective： To evaluate the effect of restoration of residual crown and residual root with post and core ,and porcelain-fused-to-metal crown.Methods：168 patients after root canal therapy were selected and restored with post and core . Porcelain- fused-to-metal crowns were also used to form the shape and shade of the teeth .Results： After observation for 3 years, good results of 180 teeth were found .The success ratio reached 94.52%.clinical effect was satisfying .Conclusions： Residual crown and residual root could be successfully restored with post and core crown ,which could form the dental anatomical shape, restore physiological function, and be natural aesthetic and comfortable .