Development of baby teeth

Both baby teeth (deciduous or milk teeth) and permanent teeth have fairly well-defined times of eruption. The ages listed are the normal ages that a baby tooth emerges.

Ages that a baby tooth emerges

TYPE OF TOOTH	UPPER TOOTH ERUPTS BY	LOWER TOOTH ERUPTS BY
Central incisor	8-10 Months	6-9 Months
Lateral incisor	8-10 Months	15-21 Months
Canine (Cuspid)	16-20 Months	15-21 Months
First molar	15-21 Months	15-21 Months
Second molar	20-24 Months	20-24 Months

Review Date:10/31/2022
Reviewed By:Neil K. Kaneshiro, MD, MHA, Clinical Professor of Pediatrics, University of Washington School of Medicine, Seattle, WA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

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