前牙和前磨牙龈下残根修复37例报告

Restoration of subgingival residual roots of anterior teeth and bicuspid

目的 :总结前牙前磨牙龈下残根的修复方法。方法 :对 3 7个前牙前磨牙龈下残根根管治疗后用根管螺纹钉及光固化复合树脂作桩核 ,金属烤瓷冠修复。结果 :经过 2— 4年临床观察 ,成功 3 3例 ( 89.2 % ) ,失败 4例( 10 .8% )。结论 :位于龈下 3mm以内的前牙前磨牙残根 ,在完善的根管治疗基础上 。

Objective:To evaluate the restoration effect of residual roots of anterior teeth and bicuspid under gingiva .Method:37 cases are researched in this study .Their residual roots lie about 3mm lower than their gingiva.and they are stable .X-ray indicate their root canals are filled Completely after their root canal therapies.They are restored with pocelain-fused-to-metal after the postnucleus are built up.Result:After two to four years' clinical observation. 34 cases is successful. The successful rate reached 89.2%.Conclusion: The residual root whose surfaces of their roots lie 3mm or so lower than their gingiva can be reserved.