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Many adults have 32 teeth:

  • 8 incisors
  • 4 canines
  • 8 premolars
  • 12 molars (including 4 wisdom teeth)

Children start out with zero teeth, but usually by age 3 they have all of their primary teeth (or "baby teeth"), which are 20 in number.

By thirteen, most kids have lost all of their baby teeth and have a full set of 28 permanent teeth. Then, between the ages of 17-25, we get wisdom teeth. If there is room in your mouth for those to grow in, then you end up with a set of 32 teeth. If not, and they have to be pulled, then you end up with a set of 28.
We have 32 permanent teeth, if we look after them we will have them all of our lives.

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8y ago

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