A Dentist's Education vs A Physician's Both professions require a four year degree once a bachelor's is completed, but a physician will also need to complete a residency program after they graduate before they can begin to practice. Dentist do not have to do this.

Endodontics is the branch of dentistry concerning dental pulp and tissues surrounding the roots of a tooth. “Endo” is the Greek word for “inside” and “odont” is Greek for “tooth.” Endodontic treatment, or root canal treatment, treats the soft pulp tissue inside the tooth.