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目的探讨正畸牵引与桩核冠修复联合治疗前牙断根的疗效。方法对16例上前牙根折至龈下2~4 mm的患者采用正畸牵引的方法,使断根牙合向移动至龈上后,进行桩核冠修复。结果经过完善的根管治疗后正畸牵引,16例断根均得到保留,经桩核冠修复美观和固位效果好。结论正畸牵引联合桩核冠修复治疗能保存天然牙牙根和正常的牙龈外观,是治疗上前牙根颈部折断较理想的方法。
Objective To investigate the curative effect of orthodontic traction and post crown restoration combined with root pruning of anterior teeth. Methods 16 cases of anterior superior root fracture to subgingival 2-4 mm patients with orthodontic traction method, so that the root of the root to move to the gingival conjunctival, the post crown restoration. Results After complete root canal treatment, orthodontic traction resulted in the preservation of 16 cases of severed roots. Conclusion Orthodontic traction combined with post-core crown restoration can preserve the natural tooth root and normal gingival appearance. It is an ideal method for the treatment of anterior superior root fracture.