题目内容
釉质发育不全是因为
2021-11-10
A.牙萌出后患儿缺钙所致
B.牙发育期间，全身或局部因素所致
C.牙萌出后患儿高热所致
D.牙萌出后患儿缺少维生素所致
E.牙萌出后患儿营养不良所致
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