32.對下顎骨發育不足(mandible deficiency),正顎手術最常施行之術式為何?
(A)口內雙側垂直下顎枝切開術(bilateral vertical ramus osteotomy,BVRO)
(B)雙側矢向分裂骨切開術(bilateral sagittal split osteotomy,BSSO)
(C)頦成形術(genioplasty)
(D)勒福一型截骨術(Le Fort I osteotomy)

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統計: A(37), B(819), C(22), D(18), E(0) #2742232