18.上顎前突且側門齒向唇側外傾,而上顎中門齒向腭側內傾的特徵,最常見於下列何種安格氏咬合 關係?
(A)Class I
(B)Class II division 1
(C)Class II division 2
(D)Class III

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統計: A(2), B(19), C(169), D(1), E(0) #1044617