Root canal treatment refers to the treatment of the inner aspects of a tooth, specifically that area inside a tooth originally occupied by the tooth’s “pulp tissue”.
Most people would probably refer to a tooth’s pulp tissue as its “nerve”. While a tooth’s pulp tissue does contain nerve fibers it is also composed of arteries, veins, lymph vessels, and connective tissue.
For the purposes of this discussion, so to use a term people seem to be most familiar with, we will use the terms “nerve” and “nerve tissue” to refer to a tooth’s pulp tissue….