改良式铸造桩冠与传统铸造桩冠固位效果的对比研究

The contrast of the effect of improvement type post crown and traditional post crown repair tooth fixing

目的对比观察改良式桩冠与传统桩冠修复前牙的固位效果。方法186例前牙缺损患者(278颗患牙)分为两组,每组139颗患牙分别进行桩冠修复,对照组为传统桩冠修复,实验组为改良式桩冠修复。对患者3年内因修复体松动或脱落而复诊所得到的数据结果进行χ2检验。结果两组修复体粘固后出现松动或脱落,经统计分析,有显著性差异(P<0.05)。结论改良式桩冠修复前牙对解决桩冠松动或脱落现象具有一定的临床意义。

Objective To Contrast effect of improvement type post crown and before traditional post crown repair tooth fixing. Methods 186 cases of front teeth defect （278 troubles teeth） were divided into 2, groups,each group of 139 troubles tooth carried on the pile nuclear crown repair separately,control group for the traditional pile nuclear crown repair,the experimental group for the improvement type pile nuclear crown repair, Followed up 3 years and the date of dental prosthetic restoration became less crowded or fall off. was carried on vby the x^2 examination statistics analysis.Results Dental prosthetic restoration loose and hiatus rates were significantly different between the two groups after cementation. （P〈0.05）.Conclusion Improvement type post crown reparation Front teeth is a better mothod to treat post crown cinch and ablate.