問題詳情

37.以下矯正裝置何者無法矯治後牙錯咬（posterior crossbite）？
(A)split palatal expansion appliance
(B)fixed porter arch
(C)inclined plane
(D)quad-helix appliance

參考答案

答案：C
難度：簡單0.710526
統計：A(0),B(1),C(27),D(4),E(0)