半切术修复下颌第一磨牙的临床观察

Clinic evaluation of the hemisection to recover the first mandibular molar

目的探讨采用半切术技术修复下颌第一磨牙的临床疗效。方法选择89颗大部分牙冠坏损达龈下牙根的下颌第一磨牙,行半切术技术及联冠修复,临床追踪观察1～3年,评价疗效。结果经临床疗效评价,患者能较好地行使咀嚼功能;牙龈无红肿;义齿无松动,成功率达93.3%。结论采用半切术技术保留下颌第一磨牙远中根的修复可获得满意效果。

Objective To evaluate the clinical performance of hemisection to recover the first mandibular molar with distal tooth reservated.Methods 89 first mandibular molar teeth with defected crown and roots were recovered by combination-crown repair.Clinical follow-up evaluation was performed from one to three years.Results After 1～3 years observation,the marginal adaption of all the prosthesis with good retention is tight and smooth to the preparation area of teeth,the overall success rate was 93.3%.Conclusion The...