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Root canals are necessary when the pulp layer of a tooth becomes infected often a result of extensive tooth decay. Infection can lead to the loss of a tooth, so it is necessary to remove the infection with root canal therapy. The procedure is performed by a doctor for root canals under local anesthesia and is generally comfortable, saves the natural tooth, prevents the spread of infection, and helps return the smile to complete health.
Without treatment from a doctor for root canals, pus from the infected tooth can spread to the root tip and eventually pass to the jaw bone. This can cause an abscess, or a pus pocket, that can damage the bone that surrounds the tooth. The pressure this causes can result in excruciating pain and, if left untreated, can be life threatening. An infected tooth or one that is suffering from tooth decay cannot heal on its own and will only get worse.
Before the procedure begins, the area is completely numbed using a local anesthetic. Once the area is numbed, a rubber dam is placed around the infected tooth to protect the mouth and to prevent anything from falling into the back of the throat.
In order to access the infected tooth pulp, your doctor for root canals makes an opening through the top of the tooth to get down into the pulp chamber. A tiny instrument, called a dental file, is then carefully used to clean out the infected tissue and to shape the root canals to receive the filling material. X-rays will be taken to ensure that all of the infected pulp is removed before the filling is placed and to confirm that the filling material reaches the ends of the canals in each root.
After the infected pulp is removed, a restoration such as a post and core is placed to reinforce the interior of the tooth. In most cases, a crown is placed to cover, protect and strengthen the tooth. However, if the tooth is severely broken down, it may be necessary to start by building up the tooth with a post and core.
If you have tooth decay that is left untreated, it could necessitate the need for a root canal. Call your doctor for root canals to schedule your appointment as soon as possible.