26.下列何者無法獲得最大程度的錨定(maximum anchorage)?
(A)stabilizing lingual arch
(B)incisal labial root torque
(C)bone screw
(D)headgear
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統計: A(144), B(751), C(15), D(100), E(0) #2969430
統計: A(144), B(751), C(15), D(100), E(0) #2969430