槽牙

例句：

1. 1. I need to have my teeth cleaned regularly.
   我需要定期去洗牙。
2. 2. She had a toothache and needed to see a dentist.
   她牙痛，需要去看牙医。
3. 3. The dentist advised her to avoid hard candy for a week.
   牙医建议她一周内避免吃硬糖。