选择题:X线片上牙周膜间隙为 ( ) 题目分类:主治医师 题目类型:选择题 查看权限:VIP 题目内容: X线片上牙周膜间隙为 ( ) A.2.5~3.5mm B.超过2mm C.0.05~0.15mm D.0.15~0.38mm E.1.5~3.5mm 参考答案: