The areas of dentistry which are recognized by the ADA as needing additional training to master. They only recognized dental specialties are: Dental Public Health, Endodontics, Pediatric Dentistry, Periodontics, Prosthodontics, Oral and Maxillofacial Pathology, Oral and Maxillofacial Radiology, Oral and Maxillofacial Surgery, and Orthodontics.