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What is root canal therapy and what it does in your tooth?

Root canal therapy, otherwise known as simply root canal, is a treatment procedure performed by dentists to rescue and restore severely decayed and infected tooth. Dental infection that is left untreated may progress to other parts of the tooth, may reach the pulp of your tooth or the nerve chamber and may eventually develop to tooth abscess. The tooth’s pulp can become inflamed or infected because of deep decay, cracked or broken tooth, dental trauma and repeated dental procedures. Patients with infected tooth pulp may or may not experience acute sever dental pain, swelling on the affected tooth and fever. Dental infections are often treated with antibiotics. But in severe cases where the tooth pulp is infected, root canal therapy is performed. Your dentist will determine whether you need the therapy or not. He/she will look for signs and symptoms indicative that you should undergo root canal therapy. Often times, the dentist performs oral examination and dental x-ray to determine the extent of infection that needs to be treated with this therapy. Root canal treatment procedure may require one or more dental visits to accomplish the treatment. The number of dental visits depends on the difficulty of the procedure the level of comfort of the dentist in performing the procedure. During your first visit, a dental x-ray of your tooth is taken to assess the severity of infection. Then your dentist will numb the area around the tooth with a local anesthesia. A rubber dam is placed around the tooth to keep it dry throughout the procedure. Once numbness sets in, he/she drills a hole at the top of...