prevent tooth decay 预防龋齿
cause tooth decay 引起龋齿
treat tooth decay 治疗龋齿
severe tooth decay 严重龋齿
early tooth decay 早期龋齿
1. Sugar can cause tooth decay.
糖分会导致龋齿。
2. Regular brushing helps prevent tooth decay.
定期刷牙有助于预防龋齿。
3. The dentist treated his tooth decay.
牙医治疗了他的龋齿。
4. Tooth decay is common among children.
龋齿在儿童中很常见。
A: Do I have tooth decay?
A：我有龋齿吗？
B: Yes, but it is still in the early stage.
B：是的，但还处于早期阶段。
1) 牙齿因细菌侵蚀而腐坏
2) 常见的口腔疾病之一
3) 由糖分和细菌共同作用引起
4) 可通过刷牙和检查预防
1. 龋齿；牙齿因腐蚀而损坏的情况。
e.g.Sugar increases the risk of tooth decay.
糖会增加龋齿的风险。
noun
1. the destruction of tooth structure caused by bacteria, resulting in cavities or decay.
Synonym: cavity, dental caries