The following chart shows the common age of tooth eruption:
| Type of tooth | Number | Deciduous | Permanent |
|---|---|---|---|
| Incisor | First (central) | birth to 8 days | 2.5 yrs |
| Incisor | Second (intermediate) | 4.5-6 weeks | 3.5-4 yrs |
| Incisor | Third (corner) | 6-9 months | 4.5-5 yrs |
| Canine | Absent | 3.5-5 yrs, some around 6 yrs (if ever) | |
| Premolar | First (wolf) | Absent | 6 months to 3 years (if ever) |
| Premolar | Second | birth to 2 weeks | 2-3 yrs |
| Premolar | Third | birth to 2 weeks | 2.5-3 yrs |
| Premolar | Fourth | birth to 2 weeks | 3-4 yrs |
| Molar | First | Absent | 9-12 months |
| Molar | Second | Absent | 2 yrs |
| Molar | Third | Absent | 3-4 yrs |
