73.下圖之下顎後牙區之根尖片影像,最可能之牙齒變異(tooth anomaly)為:
(A)缺牙(missing tooth)
(B)多生牙(supernumerary tooth)
(C)牙本質發育不全(dentinogenesis imperfecta)
(D)牙釉質發育不全(amelogenesis imperfecta)
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統計: A(29), B(9), C(26), D(123), E(0) #1035644
統計: A(29), B(9), C(26), D(123), E(0) #1035644