Upper
| Eruption | Loss | |
| Central incisor | 7 months | 7 years |
| Lateral incisors | 9 months | 8 years |
| Cuspid | 18 months | 11 years |
| First molar | 14 months | 10 years |
| Second molar | 24 months | 10 years |
Lower
| Eruption | Loss | |
| Central incisor | 6 months | 6 years |
| Cuspid | 16 months | 9 1/2 years |
| First molar | 12 months | 10 years |
| Second molar | 24 months | 11 years |
Ages of Eruption of Primary Teeth:

Ages of Eruption of Permanent Teeth: