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Secondary (permanent) teeth

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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.

Primary Medical Reviewer Kathleen Romito, MD
- Family Medicine
Specialist Medical Reviewer Steven K. Patterson, BSc, DDS, MPH
- Dentist
Last Updated May 22, 2007

WebMD Medical Reference from Healthwise

Last Updated: May 22, 2007
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