19 施行矢向劈裂骨切開術(sagittal split osteotomy),在正常之狀況,下齒槽神經應位在:
(A)大部份下顎骨骨體(mandibular body)之骨段(bone segment)
(B)下顎髁之骨段(condylar segment)
(C)近心骨段(proximal segment)
(D)下齒槽神經應與所有骨骼分離
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統計: A(30), B(3), C(7), D(0), E(0) #1276650
統計: A(30), B(3), C(7), D(0), E(0) #1276650