73 下列何者不是功能性矯正裝置(functional appliance)?
(A)機能矯正器(activator)
(B)生物功能矯正器(bionator)
(C)雙板矯正器(twin block)
(D)頭部牽引器(headgear)
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統計: A(13), B(14), C(43), D(135), E(0) #900336
統計: A(13), B(14), C(43), D(135), E(0) #900336