12.使用矯正骨釘以移動牙齒,屬於下列何種錨定(anchorage)?
(A)固定型錨定(stationary anchorage)
(B)骨性錨定(skeletal anchorage)
(C)抗衡錨定(reciprocal anchorage)
(D)皮質骨錨定(cortical anchorage)
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統計: A(102), B(456), C(2), D(38), E(0) #3380083
統計: A(102), B(456), C(2), D(38), E(0) #3380083