46.在評估乳牙過早脫落對兒童的牙弓發育影響時,上顎第一恆大臼齒通常往那個移動方向較多?
(A)牙冠向遠心移動(distal movement)
(B)牙冠向近心移動(mesial movement)
(C)牙冠向頰側移動(buccal movement)
(D)牙冠向舌側移動(lingual movement)
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統計: A(1), B(86), C(0), D(0), E(0) #3489834
統計: A(1), B(86), C(0), D(0), E(0) #3489834