Dentistry, which is a part of stomatology, is the branch of medicine that is involved in the evaluation, diagnosis, prevention, and surgical or non-surgical treatment of diseases, disorders and conditions of the oral cavity, maxillofacial area and the adjacent and associated structures and their impact on the human body. Dentistry is widely considered necessary for complete overall health. Those who practice dentistry are known as dentists. The dentist's supporting team aides in providing oral health services, which includes dental assistants, dental hygienists, dental technicians, and dental therapists. Source: Wikipedia