Crooked teeth are a common problem among adults, teens, and children. Learn about the various causes of crooked teeth and ...

The number and types of teeth a person has change as they age. ... The last molars to erupt are wisdom teeth, or third molars, which usually come through between the ages of 17 and 21.

Molars, the large teeth at the back of your mouth, play an important role in eating, helping to crush, chew, and grind food as you eat. If youre missing one or more of these powerful back teeth, it ...