铸造不锈钢桩核冠的临床应用

The application of Post-and-Core Crown

目的研究铸造不锈钢桩核冠的临床修复效果。方法随机选择70例不同牙齿的残冠、残根,经完善根管治疗后行铸造不锈钢桩核冠加烤瓷牙修复,并与30例用预成桩加烤瓷牙修复牙齿进行对比。结果经半年至二年的随访观察,铸造不锈钢桩核冠成功率97.15%,预成桩成功率86.67%,两组相比差异有显著性(x2=4.08648,P<0.05)。结论铸造不锈钢桩核冠加烤瓷牙修复义齿优于预成桩。

Objective To observe the effectiveness of Post-and-Core Crown. Methods After root canal treatment, 70 cases of Post-and-Core Crown and 30 cases of prefabricated post was compared. Results Afater observation for 6424 month, The successful ratie of Post-and -Core Crown is 97.15%, The successful ratie of prefabricated post is 86.67%. there was sigrificant difference between the two groups （x^2=4.08648, p〈0.05）. Conclusions The Post-and -Core Crown is especially satisfactory and better than the prefabricated post.