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【多选题】
关于龋病的非手术治疗,说法正确的是( )。A.
可以采用药物治疗方法
B.
窝洞封闭的方法
C.
再矿化治疗
D.
药物治疗的药物可选用硝酸银
E.
再矿化治疗是在窝洞内涂布一层封闭剂
拍照语音搜题，微信中搜索"皮皮学"使用
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【简答题】液体对固体的润湿程度可用接触角来衡量，接触角θ>90。时称为润湿，接触角θ<90。时称为不润湿。< /div>