41.下列facial buttress何者不是用來提供垂直方向的支撐(vertical support)?
(A)nasomaxillary buttress
(B)zygomatic buttress
(C)pterygomaxillary buttress
(D)frontal buttress
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統計: A(22), B(213), C(94), D(296), E(0) #3490069
統計: A(22), B(213), C(94), D(296), E(0) #3490069