11 歲男童,經診斷為長臉型合併開咬(openbite)的第二級異常咬合(Class Ⅱ malocclusion),下列治療方式何者最不適當?
A高拉式頭套(high-pull headgear)合併咬合塊(bite block)
B功能性矯正裝置合併後牙咬合塊(functional appliance with bite block)
C頸部式頭套(cervical headgear)合併咬合塊(bite block)正確答案
D高拉式頭套(high-pull headgear)合併功能性矯正裝置及咬合塊(functional appliance with bite block)
答案與詳解
