20 How often does the traditional drill-and-fill technique have to be performed in treating cavities?
(A) Once for all.
(B) Six times throughout the patient’s childhood.
(C) Twelve times throughout the patient’s life.
(D) Many times throughout the tooth’s life.
詳解 (共 3 筆)
未解鎖
20 How often does th...
未解鎖
第一段最後一行出現 and it has...