铸造核桩加金属烤瓷全冠应用于前牙修复的临床观察

Clinical observation of application of casting post core with metal porcelain crown in the repair of anterior teeth

目的探讨利用铸造核桩加金属烤瓷全冠来修复前牙残冠、残根的优点。方法选择残冠、残根牙齿145棵,利用自凝塑料捧制作桩部及核部代型,最后整体铸造。粘固铸造好的核桩,取印模,制作金属烤瓷全冠。结果成功137棵,失败8棵,成功率达94．5％。结论利用铸造核桩加金属烤瓷全冠来修复前牙残冠、残根,能够取得较好的修复效果,临床上值得进一步推广。

Objective To repair residual crowns and roots of anterior teeth with casting post core with metal porcelain crown. Methods One hundred and forty-five anterior teeth with residual crowns and roots were chosen for treatment. Self-curing plastic sticks were used to make die of posts and cores, and then were cast in whole. Metal porcelain crowns were made, following completion of cement cast post cores and impression. Results One hundred thirty-seven cases were repaired with success and 8 failed, with a success rate of 94.5 %. Conclusions The casting post core and metal porcelain crown is a practical approach to the repair of residual anterior crowns and roots. Ideal treatment results can be achieved with this method, which can be further extended in its clinical application.