Pierre Fauchard - (1678 -1761) was a significant French physician, credited as being the "father of modern dentistry". He is widely known for his book, Le chirurgien dentiste, "The Surgeon Dentist" 1728, where he described the basic oral anatomy and function, signs and symptoms of oral pathology, operative methods for removing decay and restoring teeth, periodontal disease (pyorrhea), orthodontics, replacement of missing teeth, and tooth transplantation. His book is said to be the first complete scientific description of dentistry.
Dentistry is the branch of medicine that is involved in the study, diagnosis, prevention, and 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.[1] Dentistry is widely considered necessary for complete overall health.

      Dental specialties are  :

  1. Dental Public Health.
  2. Endodontics.
  3. Oral and Maxillofacial Pathology.
  4. Oral and Maxillofacial Radiology.
  5. Oral and Maxillofacial Surgery.
  6. Orthodontics and Dentofacial Orthopaedics.
  7. Periodontics.
  8. Pediatric dentistry.
  9. Prosthodontics.