In most cases, people have 2 sets of teeth throughout a lifetime. The first set consists of primary teeth, also known as baby teeth. The second set consists of secondary teeth, or permanent teeth. Primary teeth begin erupting at 4 months and continue until all 20 are in place by age 3. As the primary teeth fall out, they are replaced by secondary teeth. This usually happens around age 6, and by age 12 all permanent teeth should be in place with the exception of the wisdom teeth. Next, 12 year molars will appear and then the wisdom teeth, which commonly appear by age 17 and are often removed to avoid overcrowding. Your permanent teeth are just as their name suggests: permanent. To keep your smile healthy throughout your life it is important to brush and floss regularly and keep routine dental appointments for examinations and cleanings.
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