冠部浅龋的龋坏程度仅限于A牙釉质内B牙骨质内 C牙釉质或牙骨质内 D牙本质内 E牙骨质或牙本质内

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问题冠部浅龋的龋坏程度仅限于 A牙釉质内B牙骨质内 C牙釉质或牙骨质内 D牙本质内 E牙骨质或牙本质内

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答案 A

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