Teeth help a person use their mouth to eat, speak, smile, and give shape to their face. Each type of tooth has a name and a specific function.

Dentists and oral surgeons perform tooth extractions for many reasons. The issue may be a painful wisdom tooth or a tooth that has been badly damaged by decay. In some cases, a dentist will remove a tooth to make space for dental prosthetics or braces.

Gum disease is common and unpleasant, but, according to a growing body of evidence, it could also play a role in a surprising range of seemingly unrelated health problems.

It may give you a moment of relief, but you're also spreading dirt and bacteria into your eyes when you rub them.