Secondary (permanent) teeth

Upper and lower sets of primary (baby) and secondary (permanent) teeth, showing cuspids, bicuspids, incisors, molars, and wisdom teeth

Secondary teeth come in (erupt) when children begin to lose their primary (baby) teeth between the ages of 6 and 11 years. The last permanent teeth usually erupt between the ages of 12 and 21. There are normally 32 permanent teeth.

This information does not replace the advice of a doctor. Healthwise, Incorporated, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.

© 1995-2021 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.