Our editors also may be in touch with follow-up questions. The prospect of undergoing a root canal is enough to flood many people with fear. Though we’ve learned to dread the very phrase ...

In addition to an abscess, an infection in the root canal of a tooth can cause: Swelling that may spread to other areas of the face, neck, or head Bone loss around the tip of the root Drainage ...

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 ...