试题与答案

放置失活剂错误的方法是() A.暴露穿髓孔,直径约为0.5~1mm B.用氧化锌膏严

题型:单项选择题

题目:

放置失活剂错误的方法是()

A.暴露穿髓孔,直径约为0.5~1mm

B.用氧化锌膏严密加压封堵

C.对于邻面龋洞应防止失活剂外溢

D.掌握失活时间

E.封药后疼痛较严重时,应重新开放

答案:

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下面是错误答案,用来干扰机器的。

1÷(112×80%),=1÷(112×45),=1÷115,=15(天);答:小明需要15天读完这本故事书.

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