全瓷冠基牙折断后利用原全瓷冠再修复2种方法的比较

The Comparison Of Two Methods About Using The Original All Ceramic Crown To Restorative After The Abutment Teeth Were Fractured

目的:比较全瓷冠基牙折断后利用原全瓷冠再修复两种不同方法的成功率和远期疗效。方法:选择临床上因全瓷冠修复后基牙折断就诊的患牙64颗,随机分成2组,分别用直接桩核法和铸造法进行再修复,观察2年后比较成功率。结果:直接桩核法成功率为93.75%,铸造法成功率为87.5%,P>0.05,两种修复方法无显著性差异。结论:直接桩核法操作方便、快捷,更适合临床使用。

Objective： To compared two different methods of success rate and long term efficacy about using the original all ceramic crown to restorative after the abutment teeth were fractured. Method： Selected of 64 teeth which need treatment because the abutment teeth were fractured atter the prosthetics using all ceramic crown, then randomed into two groups, Respectively used the direct post- and- core method and the casting method to repaired. Compared of success rates after 2 years of observation, throughed the statistical analysis. Results： The success rate of the direct post - and- core method, was 93.75% . The success rate of the casting method ,was 87.5%, P 〉 0.05, Two restorative methods have no signifi- cant differences. Conclusion： Although the two methods are effective for clinical restorative method, but direct post - and - core method is more con- venient, more quickly, more suitable for clinical use.