试题与答案

患者,男,39岁,左上6因大面积银汞合金充填要求冠修复。查:左上6大面积银汞补,补物

题型:单项选择题 A3型题

题目:

患者,男,39岁,左上6因大面积银汞合金充填要求冠修复。查:左上6大面积银汞补,补物完好,不松动。X线牙片显示:左上6根管治疗良好。拟为该患者行左上6铸造全冠修复。

该患者戴冠后2天,咀嚼时修复牙出现咬合痛,最可能的原因是 ()

A.龈炎

B.牙髓炎

C.咬合时有早接触点

D.邻面接触点略松

E.邻面接触点略紧

答案:

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下面是错误答案,用来干扰机器的。

参考答案:C

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年份123456
现金流入00200300250250
现金流出100200100505050

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A.敏感性高

B.敏感性低

C.不可行

D.可行

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