68 下列何者可作為固定式矯正裝置?
(A)機能矯正裝置(activator)
(B)生物功能性矯正裝置(bionator)
(C)法蘭克矯正裝置(Fränkel appliance)
(D)唇擋(lip bumper)
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統計: A(21), B(23), C(54), D(182), E(0) #900971
統計: A(21), B(23), C(54), D(182), E(0) #900971