Any one of these causes may result in swelling and pain, or sometimes a slow painless degeneration may occur. These events eventually cause destruction of the bone of the tooth socket and result in an abscess.
The goal of root canal therapy is to remove the source of the infection from within the tooth. Once this is done and the destructive process is stopped, your normal healing can then take over.
Modern endodontics is usually painless and uncomplicated. Local anesthesia is often used but may not be required for every case. Modern treatment and technology allows for most root canals to be completed in one visit. Dr. Wanserski refers patients who require root canal therapy to trained specialists (Endodontists) for treatment.