单项选择题
A.0.1mm B.0.2~0.25mm C.0.8~1.0mm D.0.35~0.8mm E.1.2~1.5mm
A.暂不予处理 B.原则上拆除重做 C.调对牙合牙 D.可按Ⅰ类洞直接在冠上行银汞充填 E.可按嵌体预备原则在穿孔处预备,以嵌体修复穿孔处
A.0.5~0.6mm B.0.6~0.7mm C.0.7~0.8mm D.0.8~0.9mm E.0.9~1.0mm