Q: What is a root canal?
A: A root canal is the name of a procedure your dentist uses to treat problems with the soft core inside the tooth, the material known as the dental pulp. The pulp contains blood vessels, nerves and connective tissue. A deep cavity or a crack in a tooth can let bacteria get into the pulp. If the infection goes untreated, pus can begin to build up at the tip of the root in the jawbone. That pocket of pus is called an abscess. An abscess, which can cause pain and swelling, can also damage the bone around the tooth.
A root canal may require more than one visit. Your dentist may do the root canal or he may refer you to an endodontist, a dentist who specializes in pulp problems. In any event, the first step is to make an opening in the crown of the tooth and remove the infected pulp. The interior of the tooth, including the canals that are in the roots, is cleaned and sealed with a temporary filling. When the infection is fully gone, a permanent crown will go on the tooth. Talk with your dentist about the intricacies of a root canal.
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