問題詳情

53.主動萌牙(active eruption)主要原因為何?
(A)Contraction of periodontal ligament
(B)Recession of oral epithelial cells
(C)Splitting of enamel epithelial cells
(D)Recession of enamel epithelial cells

參考答案

答案:A
難度:適中0.618182
統計:A(34),B(3),C(4),D(4),E(0)