A root canal is when the internal part of the tooth is infected, the nerve has died, or it's painful. We make a small opening on either the chewing surface of a back tooth or the back side of a ...

So at this point, the nerve inside the tooth becomes irreparably damaged and requires root canal treatment or in severe cases tooth extraction. 5. Necrosis (Death of the Nerve): If the infection ...

The 360-pound bear was sedated with anesthesia for several hours to undergo a root canal. “It’s important because the pulp is live nerve tissue, so it is painful. The problem with dogs ...