Inside each tooth there is a nerve running through the middle of the entire length of the root. The canal that the nerve runs through also has a blood supply which provides nutrients to the tooth. When the nerve is exposed due to decay or a tooth fracturing it would indicate the need of a root canal. At times there is decay all the way into the nerve but no pain associated with it. Reasons for this may be that the nerve is already dead or the bacteria from the decay has not had enough time to multiply to cause pain or infection. Sometimes, past trauma can also lead to a tooth needing a root canal. Our goal is to help patients avoid needing a root canal, however, if indications for one are present we will discuss your options and make a plan for how to best take care of the tooth. If a root canal is needed, Dr. Petersen will remove the nerve and clean the canals.