The branch of the healing arts concerned with the teeth, oral cavity, and associated structures, including prevention, diagnosis, and treatment of disease and restoration of defective or missing tissue is known as Dentistry.
The branch of dental practice that deals with the diagnosis and the surgical and adjunctive treatment of diseases, injuries, and defects of the human mouth and dental structure called as maxillofacial or oral surgery.
The dental specialty that is concerned with the diagnosis and treatment of dental deformities as well as irregularity in the relationship of the lower to the upper jaw is Orthodentistry.