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目的评价牙根牵引术联合桩冠修复在牙体缺损达龈下的前牙修复中的临床效果。方法采用牙根牵引术对54颗已做过完善根管治疗的患牙进行修复前处理,再做桩核冠修复后进行1～5年随访。结果牙根牵引术联合桩核冠修复前牙严重冠折的修复成功率为88.9%。结论牙根牵引术有利于牙体缺损达龈下患牙的保存,能获得较好的美学效果,利于患牙牙周组织健康。
Objective To evaluate the clinical effect of root traction combined with post crown restoration in the repair of anterior teeth under the subgingival margin of tooth defects. Methods Tooth root traction was performed on 54 teeth that had undergone endodontic root canal repair. The teeth were treated with post-core-crown restoration and were followed up for 1 to 5 years. Results The successful rate of restoration of severe crown anterior teeth with root traction combined with post crown was 88.9%. Conclusion Tooth root traction is beneficial to the preservation of dental implants with subgingival subgingival lesions and good aesthetics, which is good for the periodontal tissues of the affected teeth.