Tooth Development Stages

Permanent teeth first erupt at approximately 6-7 years of age.

Upper Teeth

Central incisors: 7-8 years
Lateral incisors: 8-9 years
Canines: 11-12 years
First premolars: 10-11 years
Second premolars: 10-12 years
First molars: 6-7 years
Second molars: 12-13 years
Third molars: 17-21 years

Lower Teeth

Central incisors: 6-7 years
Lateral incisors: 7-8 years
Canines: 9-10 years
First premolars: 10-12 years
Second premolars: 11-12 years
First molars: 6-7 years
Second molars: 11-13 years
Third molars: 17-21 years

Source: Colgate Oral Care Brochure - Caring for Children's Teeth