Dalia and George from Goleta, Calif.,­ have written in about their dog, Mica. Mica is a 6-year-old Labrador retriever that has been with them since puppyhood. Recently, Mica has developed a swelling ...

What Is an Abscessed Tooth? An abscessed tooth is one that is infected in or around the root, creating a pocket of pus. Anyone, from children to the elderly, can get one. If you have one, it won’t get ...

What Is a Root Canal? A root canal is a treatment used to repair and save a tooth that is badly decayed or infected. A tooth's nerve and pulp can become irritated, inflamed, and infected due to deep ...

A tooth abscess happens when a tooth fills with pus and other infected material. This occurs after the center of a tooth becomes infected with bacteria. It’s typically a result of tooth decay or a ...