9.下列何者因牙齒外傷後導致的牙根吸收,主要是由壞死感染的牙髓所引發?
(A)取代性牙根外吸收 (external replacement root resorption)
(B)齒頸部牙根外吸收(external cervical root resorption)
(C)發炎性牙根外吸收(external inflammatory root resorption)
(D)牙根內吸收(internal root resorption)
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統計: A(55), B(23), C(740), D(294), E(0) #2408713
統計: A(55), B(23), C(740), D(294), E(0) #2408713