47 下顎前移術(mandibular advancement)最常用的術式是:
(A)兩側矢向劈裂骨切開術(bilateral sagittal split osteotomy)
(B)垂直截骨術(vertical osteotomy)
(C)骨體截骨術(body osteotomy)
(D)前下顎根尖下截骨術

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統計: A(45), B(1), C(0), D(1), E(0) #1276678