分裂式桩核冠在老年人后牙残根残冠修复中的临床应用

Clinical application of conservative prosthetics of elderly molar residual roots and crowns by split post crown

目的：观察铸造分裂式桩核冠修复老年人后牙残根残冠效果。方法：采用铸造分裂式桩核冠修复67例老年人后牙残根残冠，随访1～5年，观察修复体情况。结果：67颗磨牙中65例成功；1例根折后拔除，1例松动，调牙合后缓解。结论：采用分裂式桩核冠的修复方法,使得后牙残冠、残根更大程度地予以保留，效果良好。

Objective To evaluate the clinical effects of conservative prosthetics of elderly molar residual roots and crowns by split post crown. Methods 67 elderly molar residual roots and crowns were repaired by Split post crown,the treatment effect was observed for 1- 5 year. Results 65 cases in 67 cases were succeed,one case was extractioned after root fracture,one case’s loosened was relieved by occlusal adjustment. Conclusion The applicaion of proathetics by split post crown is a good method to improve the1canservative ratr of elderly molar residual roots.