Teeth | Number | Age at Eruption* |
---|---|---|
Deciduous (20 total) | ||
Lower central incisors | 2 | 5–9 months |
Upper central incisors | 2 | 8–12 months |
Upper lateral incisors | 2 | 10–12 months |
Lower lateral incisors | 2 | 12–15 months |
1st molars† | 4 | 10–16 months |
Canines | 4 | 16–20 months |
2nd molars† | 4 | 20–30 months |
Permanent (32 total) | ||
1st molars† | 4 | 5–7 years |
Incisors | 8 | 6–8 years |
Bicuspids | 8 | 9–12 years |
Canines | 4 | 10–13 years |
2nd molars† | 4 | 11–13 years |
3rd molars† | 4 | 17–25 years |
* The age at eruption varies greatly. | ||
† Molars are numbered from the front to the back of the mouth (see figure Identifying the Teeth ). |