问题 单项选择题

尖牙向远中倾斜移动时,以下哪一部位与近中颈部牙周组织承受着同一种性质的矫治力,产生同一种组织变化 ()

A.远中颈部

B.颊侧颈部

C.远中根尖区

D.近中根尖区

E.舌侧颈部

答案

参考答案:C

解析:尖牙是单根牙,倾斜移动的牙周变化呈现2个压力区和2个牵张区。正确答案选C。

单项选择题
填空题

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