23.病人左下第二小臼齒活髓測試無反應,第一大臼齒為做過根管治療的牙齒,兩顆牙齒的牙周囊袋都深入到牙根尖,X光影像如圖示,此診斷為下列那一種牙髓-牙周病灶?
(A)原發性牙周病灶(primary periodontal lesions)
(B)原發性牙周病灶,繼發性牙髓病灶(primary periodontal lesions with secondary endodontic involvement)
(C)真正的合併病灶(true combined lesions)
(D)伴隨的牙髓和牙周病灶(concomitant pulpal and periodontal lesions)
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統計: A(4), B(156), C(631), D(207), E(0) #3198121
統計: A(4), B(156), C(631), D(207), E(0) #3198121