What is a root canal?

A root canal is a procedure used to clean out the area of the nerve and blood supply in a tooth. Our teeth are made of one of the hardest substances in our body (enamel.) If an irritant makes its way into the root canal (the area in the center of the tooth where the nerve and blood supply are located), there is no space for the body to expand and inflame to fight off the infection. To get rid of the source of infection, an access has to be made through the tooth and the area is cleaned out. A series of small files are used to clean and shape the canal. Medication can be used inside the tooth for extra infection control before a final restorative material is placed in the canal and a crown is used to cover and protect the tooth.

Who needs a root canal?

The nerve can because compromised or irritated by a number of sources. One of the most common reasons is a large cavity. This can cause an abscess around the root of the tooth and a significant amount of pain for the patient before treatment. Other times there is little or no pain on the tooth that needs a root canal. Past trauma or previous large restorations (even if they did not bother you at the time) can cause the nerve tissue to become necrotic. Sometimes a root canal needs to be done in order to be able to hold a restoration in place. Your dentist will provide you with all the necessary information and help you make an informed decision to achieve your best oral health.

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