29.當一位病人經齒列矯正後,咬合正常,但仍嫌下巴太長,可使用下列何種手術處理?
(A)bilateral sagittal split osteotomy
(B)bilateral vertical ramus osteotomy
(C)anterior osteotomy
(D)genioplasty
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統計: A(34), B(17), C(21), D(790), E(0) #1742038
統計: A(34), B(17), C(21), D(790), E(0) #1742038