Why do I need a root canal?

Root canal treatment may be necessary when the nerve of a tooth has become infected or when the pulp chamber of the tooth becomes irritated or infected. A root canal cleans out the bad nerve tissue from the canals in the tooth that is causing the infection. Root canal treatment helps to save the tooth so the patient will not lose it.Root canal treatment may be necessary when the nerve of a tooth has become infected or when the pulp chamber of the tooth becomes irritated or infected. A root canal procedure cleans out the bad nerve tissue from the canals in the tooth that are causing the infection. Root canal treatment helps to save the tooth so the patient will not lose it.