dental sac

• 牙囊,齿囊

dental sac的用法和样例：

例句

1. The developing bone trabeculae invaded the dental follicle and reached the molar tooth germs, provoking deformities in enamel surfaces.No root formation was observed.
   发育中的骨小梁侵入牙囊接触到了牙胚导致釉质发育的障碍。