题目内容
银汞合金粘结修复术中,为了取得有效粘结
2021-11-15
A.充填银汞合金之前,粘结剂必须是未固 化而湿润
B.充填银汞合金之前,粘结剂必须固化干燥
C.洞底应在牙本质下
D.粘结剂应涂得较厚
E.酸蚀冲洗后,洞底不必千燥
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