dental hatchet

例句：

1. 1. I need to have my teeth cleaned regularly.
   我需要定期去洗牙。
2. 2. The dentist gave me a new filling.
   牙医给我换了颗新填充物。
3. 3.Dental hygiene is important for our overall health.
   口腔卫生对我们的整体健康很重要。