题目内容
根管预备常用的器械是
2021-12-20
A.裂钻、根管扩大器、拔髓针
B.根管锉、球钻、根管扩大器
C.扩孔钻、根管扩大器、根管侧压器
D.机用扩孔钻、根管锉、根管扩大器
E.机用扩孔钻、根管锉、根管侧压器
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