問題詳情

69 嬰兒型吞嚥(infantile swallowing)易造成何種狀況?
(A)上、下顎前牙錯咬(cross bite)
(B)上顎前牙擁擠(crowding)
(C)下顎前牙擁擠
(D)上、下顎前牙開咬(open bite)

參考答案