8.兩側矢向劈裂骨切開術(bilateral sagittal split osteotomy)可用來治療何症?①下顎前突症 (mandibular prognathism);②下顎後縮症(mandibular retrognathism)
(A)只有①
(B)只有②
(C)①②
(D)①②均不正確

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統計: A(2), B(0), C(84), D(1), E(0) #1037772