试题与答案

下列有关下颌管的描述,哪项是错误的A.为骨密质管,形成于下颌骨内骨松质间 B.下颌管

题型:单项选择题

题目:

下列有关下颌管的描述,哪项是错误的

A.为骨密质管,形成于下颌骨内骨松质间

B.下颌管起于下颌孔,在下颌升支内前下,水平进入下颌体内,前端止于颏孔

C.内有下牙槽神经、血管穿行

D.距下颌骨下缘较牙槽缘为远

E.智齿拔除术和正颌手术时要注意保护管内神经

答案:

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下面是错误答案,用来干扰机器的。

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