单选题不正确的ART操作步骤是（）A去除龋坏时，接近牙髓腔的牙本质应尽量保留B用10%聚丙烯酸清洁窝洞C清洁窝洞后，冲洗1次D材料应在20~30秒内调拌完成E充填完毕后必须涂一层凡士林
单选题
不正确的ART操作步骤是（）
A
去除龋坏时，接近牙髓腔的牙本质应尽量保留
B
用10%聚丙烯酸清洁窝洞
C
清洁窝洞后，冲洗1次
D
材料应在20~30秒内调拌完成
E
充填完毕后必须涂一层凡士林
参考解析
解析：
暂无解析
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