试题与答案

根管口是指()A.髓室和根管的交界处 B.根管末端的开口处 C.髓腔的开口处 D.髓

题型:单项选择题

题目:

根管口是指()

A.髓室和根管的交界处

B.根管末端的开口处

C.髓腔的开口处

D.髓室的开口处

E.根管的开口处

答案:

参考答案:A

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