A root canal procedure is needed when a tooth’s nerve is infected or decayed. It can also be needed if the nerve does not settle down after being irritated. During a procedure, the nerve, located within the centre of the tooth, is removed, along with the pulp tissue. Then the interior of the tooth is cleaned, disinfected, filled, sealed and capped with a crown.
The purpose of root canal therapy is to save your natural tooth. Without treatment, tissue surrounding the tooth will become infected and abscesses may form. Before modern dental technology, the only option was to remove the affected tooth.
Now, our priority is to save the tooth for your oral health as a whole. Without a nerve, a tooth will maintain its normal function.
The role of the nerve is sensory — to perceive hot or cold.