15 下列何者為固定式的機能性矯正裝置(fixed functional appliances)?
(A)法蘭克氏裝置(Frankel’s appliance)
(B)生物功能矯正器(Bionator)
(C)頭部牽引器(Headgear)
(D)赫伯氏裝置(Herbst appliance)
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統計: A(82), B(50), C(48), D(223), E(0) #3287274
統計: A(82), B(50), C(48), D(223), E(0) #3287274