19 下列何種維持裝置之製作,需要做預測模型(set up model)?
(A) Hawley retainer
(B) Wrap around retainer
(C) Spring retainer
(D) Lingual holding arch retainer
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統計: A(46), B(15), C(239), D(19), E(0) #901786
統計: A(46), B(15), C(239), D(19), E(0) #901786