| 龋齿 | qǔ chǐ | tooth decay; dental caries; cavity | |
| 防龋 | fáng qǔ | to prevent tooth decay; anti-caries | |
| 低龋齿性 | dī qǔ chǐ xìng | non-caries-inducing | |
| 齿龋 | chǐ qǔ | tooth decay; caries | |
| 龋洞 | qǔ dòng | hole due to dental caries |
| 1 | It can even reverse early tooth decay. | |
| 2 | At this stage, the decay process can be reversed. | |
| 3 | If decay is left untreated, it will reach the tooth's pulp. | |
| 4 | The decay must be cleaned out and the cavity filled by a dentist. | |
| 5 | Root caries (decay in the roots of the teeth) is more common in older adults. |