42.如下圖所示,使用於上下或頰舌側方向整平窩洞壁之手持器械為何?
(A)hoe
(B)dental file
(C)angle former
(D)enamel hatchet
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統計: A(187), B(19), C(111), D(812), E(0) #2866860
統計: A(187), B(19), C(111), D(812), E(0) #2866860