题目内容

患者,女,40岁。下颌第一磨牙近中面大面积银汞合金充填,近中食物嵌塞,余牙正常,要求治疗。如果此牙为死髓牙,牙根长大,根管治疗完善,牙槽骨高度基本正常。则最佳的治疗方案为()

A. 烤瓷冠修复
B. 铸造桩核+全冠修复
C. 银汞充填+全冠修复
D. 嵌体修复
E. 3/4冠修复

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