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.

Current as of: October 3, 2018

Author: Healthwise Staff
E. Gregory Thompson MD - Internal Medicine
Adam Husney MD - Family Medicine
Martin J. Gabica MD - Family Medicine