| 牙 |
yá zhōu yán | periodontitis (gum disorder) |
| 牙 |
yá | tooth / ivory / CL:颗 |
| 周 |
Zhōu | surname Zhou / Zhou Dynasty (1046-256 BC) |
| 周 |
zhōu | to make a circuit / to circle / circle / circumference / lap / cycle / complete / all / all over / thorough / to help financially |
| 周 |
zhōu | week / weekly / variant of 周 |
| 炎 |
yán | flame / inflammation / -itis |