There are thirteen subjects that dentists can be experts in, including teeth straightening, surgery and endodontics (the field pertaining to cosmeticdentistryguide.co.uk/articles/root-canal.html work). These areas are presided by the GDC (General Dental Council). Dentists must go through a meticulous deposit of tuition needs and examinations before the GDC will recognise them as a specialist.
What do you have to do to become a Specialist?