British Orthodontic Society - the professional association of orthodontists in the U.K.
British Orthodontic Society - information on Orthognathic Surgery
European Orthodontic Society - the association of specialist orthodontists in Europe
American Association of Orthodontists - a great website with lots of orthodontic information
British Dental Association - including Find-A-Dentist
General Dental Council of Great Britain - check the list of specialist qualifications
Invisalign - the website showing how the Invisalign system works
Incognito - the website of T.O.P. Lingualtechnik for lingual appliances