WebMD's Teeth Anatomy Page provides a detailed diagram and A normal adult mouth has 32 teeth, which (except for wisdom teeth) have.
In all, children have 20 baby teeth - 10 on the top and 10 on the bottom. These teeth act as placeholders for the adult teeth that grow in after the baby teeth fall.
We explain how many teeth adults have and how to take care of them. Not everyone can comfortably fit all 32 adult teeth in their mouth.