When a tooth has an infected nerve, there are only two options: root canal treatment or extraction. A root canal is similar to a filling, however, the infected or inflamed pulp and the nerve of the tooth are removed. It is a very effective way to restore the tooth, and the procedure is as follows:
Most people think of root canal treatments as very painful. With advances in dental technology and local anesthetics, most people have little or no pain with a root canal today.