30.口內垂直下顎枝切開術(intraoral vertical ramus osteotomy)常用於治療何症?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(248), B(21), C(49), D(0), E(0) #1032525
統計: A(248), B(21), C(49), D(0), E(0) #1032525