There are many sub-specializations under the branch of dentistry that a doctor specializes in:
Endodontics: This involves diagnosis, prevention, and treatment of diseases and injuries associated with the dental pulp and surrounding tissues in the mount. Root canals are a common treatment in the field.
Dental pathology: It includes identification, diagnosis, and research on the diseases of the mouth, teeth, and surrounding regions.
Dental radiology: This includes diagnosing and management of oral diseases and dental disorders using imaging studies such as X-rays.
Oral and Maxillofacial Surgery: It is a surgical field for diagnosing and surgical management of disease and injuries of the mouth, oral cavity, and maxillofacial region.
Prosthodontics: This involves restoration of natural teeth or replacement of missing teeth or oral structures using dental prosthetics, such as dentures, crowns, and bridges.
Orthodontics: It includes diagnosis, interception, and correction of dental and facial irregularities or defects (Dentofacial Orthopedics)
Pediatric Dentistry: This field is dentistry for children and involves diagnosis and treatment of oral health care in infants and children, all through adolescence.
Periodontics: It includes diagnosis, treatment, and management of diseases of gum tissue and bones supporting teeth.
Dental public health: It advocates prevention and management of dental disease through efforts of an organized community.