1.8 歲兒童下顎雙側乳犬齒(deciduous canines)過早喪失(early loss)時,最可能導致何種後果?
(A)下顎齒列中線偏移(midline deviation of mandibular dentition)
(B)前牙錯咬(anterior teeth cross-bite)
(C)前牙開咬(anterior teeth open bite)
(D)下顎前牙舌側傾斜(lingual tipping of mandibular anterior teeth)

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統計: A(103), B(45), C(12), D(178), E(0) #902378