A filling seals a hole, or cavity, in a tooth. This helps treat tooth decay, preventing further damage and tooth loss, as well as the possibility of pain and infection. Having a cavity filled may ...

If you don't treat a cavity, the decay will penetrate your tooth until it has reached the root. Here's how a cavity develops ...

We’ve all heard the scary stories about cavities. Those little holes in your teeth that cause pain and sometimes lead to bigger problems. But there’s also plenty of confusion around how cavities work.

Paracentesis is a medical procedure that doctors perform to drain fluid from a person’s abdominal cavity. It is sometimes called an abdominal tap. Doctors refer to this buildup of fluid as ascites, ...