乳牙牙根吸收的特点中哪项正确?() -题库考试答案搜索网

乳牙牙根吸收的特点中哪项正确?()

单选题

2021-09-01 23:58

A、乳前牙根吸收从根尖开始
B、乳磨牙从根分歧内侧壁开始吸收,各根吸收速度一致
C、先天缺失恒牙时,乳牙根不发生吸收
D、乳牙根吸收1/2以上其牙髓发生退行性变
E、乳牙牙根呈横向吸收

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正确答案

D

试题解析

标签：青书学堂阜新煤炭职工医学专科学校儿童口腔医学

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