题目内容
有关窝沟封闭正确的观点是
2022-03-29
A.乳磨牙不做窝沟封闭
B.只需对第一恒磨牙做窝沟封闭
C.只要有深窝沟且无龋坏就可以做窝沟封闭
D.成年人不需要做窝沟封闭
E.患有畸形舌尖的前牙不需做窝沟封闭
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