17.4歲早期缺失右下第二乳臼齒,採取下列何項裝置最適當?
(A)Distal shoe
(B)Transpalatal arch
(C)Lingual arch
(D)Band and loop
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統計: A(982), B(8), C(41), D(94), E(0) #2626572
統計: A(982), B(8), C(41), D(94), E(0) #2626572