Dentistry is a field of medicine that pertains to the health and treatment of the teeth and mouth. Job description of a dentist and responsibilities is an artistic as well as scientific. Dental specialties include dental public health, endodontics, oral and maxillofacial pathology, oral and maxillofacial radiology, oral and maxillofacial surgery, orthodontics and dentofacial orthopedics, pediatric dentistry, periodontics, and prosthodontics.