Tooth Eruption Times*
Teeth | Number | Age at Eruption† |
|---|---|---|
Deciduous (20 total) | ||
Lower central incisors | 2 | 5–10 months |
Upper central incisors | 2 | 8–12 months |
Upper lateral incisors | 2 | 10–14 months |
Lower lateral incisors | 2 | 14–16 months |
First molars‡ | 4 | 12–20 months |
Canines | 4 | 16–24 months |
Second molars‡ | 4 | 22–32 months |
Permanent (32 total) | ||
First molars‡ | 4 | 5–7 years |
Incisors | 8 | 5-11 years |
Bicuspids (premolars) | 8 | 8–12 years |
Canines | 4 | 9–13 years |
Second molars‡ | 4 | 10–13 years |
Third molars‡ | 4 | 17–25 years |
*Muthu MS, Vandana S, Akila G, Anusha M, Kandaswamy D, Aswath Narayanan MB. Global variations in eruption chronology of primary teeth: A systematic review and meta-analysis. Arch Oral Biol. 2024;158:105857. doi:10.1016/j.archoralbio.2023.105857; and Vandana S, Muthu MS, Akila G, Anusha M, Kandaswamy D, Aswath Narayanan MB. Global variations in eruption chronology of permanent teeth: A systematic review and meta-analysis. Am J Hum Biol. 2024;36(8):e24060. doi:10.1002/ajhb.24060 † Varies greatly. | ||
‡ Molars are numbered from the back of the mouth to the front (see figure Identifying the Permanent Teeth). | ||