题目内容
下列关于牙周病三级预防正确的说法是
2022-03-03
A.二级预防又称病因预防
B.一级预防又称“三早"预防
C.定期X线检查属于一级预防
D.去除不良修复体属于二级预防
E.修复失牙属于二级预防
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