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