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
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
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