Root canal treatment is necessary when the pulp (the soft tissue inside your teeth containing blood vessels, nerves and connective tissue) becomes inflamed or diseased. During root canal treatment, a dentist removes the diseased pulp. The pulp chamber and root canal(s) of the tooth are then cleaned and sealed. If the infected pulp is not removed, pain and swelling can result, and your tooth may have to be removed.
Some of the causes of the pulp becoming inflamed are:
Once the root canal therapy is complete a permanent crown or filling is placed on the tooth. If you continue to care for your teeth and gums, your restored tooth could last a lifetime. However, regular checkups are necessary; a tooth without its nerve can still develop cavities or gum disease. Most of the time, a root canal is a relatively simple procedure with little or no discomfort and usually can be completed in one visit. Best of all, it can save your tooth and your smile.