19.下列何種裝置有促進下顎臼齒萌發的功能,最適合使用在治療短臉型(short-face)二級異常咬合(Class II
malocclusion)合併下顎後縮的孩童?
(A)頸部用頭部牽引器(cervical headgear)
(B)活動式功能矯正裝置(removable functional appliance)
(C)哈伯矯正裝置(Herbst appliance)
(D)上顎咬合板(maxillary splint)合併高拉式頭套(high-pull headgear)
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統計: A(382), B(472), C(224), D(135), E(0) #3064704
統計: A(382), B(472), C(224), D(135), E(0) #3064704