27.下列有關乳牙的敘述,何者錯誤?
(A)乳牙前牙牙冠之近遠心徑和其牙冠長度的比例較恆齒為大
(B)乳牙前牙牙釉質的齒頸嵴(cervical ridge)比較明顯
(C)乳牙通常齒面較少染色且較恆齒白
(D)乳牙門齒和恆門齒一樣具有切緣結節(mamelon)、發育凹陷(developmental depression)
及瓦疊線(imbrication line)
答案:登入後查看
統計: A(151), B(79), C(19), D(887), E(0) #1035358
統計: A(151), B(79), C(19), D(887), E(0) #1035358
詳解 (共 2 筆)
#4997004
There are no depressions, mamelons or perikymata on the labial surface of the crowns of the primary incisors.
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