45 下列不正咬合,何者不適合在乳齒列期治療?
(A)骨性二級異常咬合(skeletal classⅡmalocclusion)
(B)骨性後牙錯咬(skeletal posterior cross-bite)
(C)上顎退縮(retracted maxilla)
(D)功能性後牙錯咬(functional posterior cross-bite)

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統計: A(8), B(2), C(2), D(2), E(0) #2736318