窝沟封闭中乳牙的酸蚀时间为A.10s B.60s C.40s D.20s

考试题库2022-08-02 90

问题窝沟封闭中乳牙的酸蚀时间为A.10sB.60sC.40sD.20sE.2min

选项 A.10s
B.60s
C.40s
D.20s
E.2min

答案 B

解析

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