1. Oral and maxillofacial surgeons- who carry out surgery and related procedures on the hard and soft tissues of the oral and maxillofacial regions to treat diseases, injuries or defects.
2. Orthodontists-examine diagnose and treat dental malocclusions and oral cavity anomalies. The design and fabricate appliances to realign teeth and jaws to produce and maintain normal function and to improve appearance.
3. Physicians and surgeons work in a number of medical and surgical specialties. They include allergists, cardiologists, dermatologists, emergency physicians, gastroenterologists, ophthalmologists, pathologists and radiologists.
4. Chief executives -establish and devise policies and provide overall direction of companies or private- and public-sector organizations within guidelines set up by a board of directors or similar governing body. They plan, direct or organize operations with the help of subordinate executives and staff managers.
5. Dentists -detect and treat problems with teeth and tissues in the mouth, and give advice and care to help avoid problems. They present instruction on diet, brushing, flossing, and the use of fluoride and other aspects of dental care. They remove tooth decay, fill cavities, examine X-rays, place protective plastic sealants on children's teeth, straighten teeth and repair fractured teeth.
