方法经钛合金或金合金铸造核烤瓷冠修复。
Method Porcelain-fused prosthesis with the casting core of Ti or Au alloy.
目的采用不平行就位道桩核烤瓷冠修复磨牙残根残冠多根管。
Objective To repair the residual roots and crowns of the molars with multi-canals using unparalleled posts and cores and ceramic crowns.
目的分析金属烤瓷冠修复后并发牙龈炎的原因，探讨减少牙龈炎的措施。
Objective to analyze reasons of gingivitis after metal ceramic crown repair, and discuss measures to reduce gingivitis.
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