25.下列何者是固定式功能性矯正裝置(fixed functional appliance)?
(A)bionator
(B)activator
(C)Herbst appliance
(D)Fränkel appliance
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統計: A(18), B(23), C(675), D(37), E(0) #1845435
統計: A(18), B(23), C(675), D(37), E(0) #1845435