8.關於牙冠斷裂(crown fracture),下列敘述何者正確?
(A)非複雜性(uncomplicated)牙冠斷裂是指斷裂部位只涵蓋enamel
(B)非複雜性(uncomplicated)牙冠斷裂造成牙髓壞死的可能性較低
(C)複雜性(complicated)牙冠斷裂是指斷裂部位涵蓋了enamel、dentin及cementum
(D)牙根發育未完成(immature tooth)的複雜性(complicated)牙冠斷裂牙齒,優先考慮使用牙髓切除術
(pulpectomy)
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統計: A(39), B(1051), C(40), D(30), E(0) #2182182
統計: A(39), B(1051), C(40), D(30), E(0) #2182182