Academy of GP Orthodontics
   Academy dedicated to serve the continuing education needs of general dentists in orthodontic practice.
   http://www.academygportho.com/

Americal Association of Orthodontists
   Official organization for board qualified and board certified orthodontists.
   http://www.aaortho.org

American Academy of Gnathologic Orthopedics
   Society promoting nutritional and alternative treatment for orthodontic patients.
   http://www.aago.com/

American Association for Functional Orthodontics
   Society specializing in functional appliances (removable braces).
   http://www.aafo.org/

American Association of Orthodontists
   Includes news, history, directory, education and career information, calendar, and regional society information.
   http://www.braces.org/

American Orthodontic Society
   Society promoting orthodontics by general and pediatric dentists.
   http://www.orthodontics.com/

Association of Orthodontists - Singapore
   Information about orthodontics and dentistry in Singapore and Malaysia.
   http://www.aos.org.sg/

Australian Society of Orthodontists
   Contains contact and meeting information, general orthodontic information and how to find an orthodontist.
   http://www.aso.org.au/

British Orthodontic Society
   Information about orthodontics in the UK.
   http://www.bos.org.uk/

California Association of Orthodontists
   Forum for members, discussions of current issues, links.
   http://www.caortho.org/

Canadian Association of Orthodontists
   Information on braces, teeth, bite, and the Canadian Association of Orthodontists.
   http://www.cao-aco.org/

Charles H. Tweed International Foundation
   Promotes excellence in orthodontic treatment. Services include a course and workshop, loan program and assistance in publishing papers.
   http://www.tweedortho.com/

College of Diplomates of the American Board of Orthodontists
   A society dedicated to the improvement of orthodontics in education, ethics, responsibility, and competence in practice.
   http://www.cdabo.org/

Egyptian Orthodontic Society
   Meeting information, educational resources in Egypt, and online journal.
   http://www.egortho.org

Greek Orthodontic Society
   Provides bylaws, membership fees and an application, activities, a directory of the Board of Trustees and committees, a journal and links. Located in Athens, Greece. [Greek and English]
   http://www.grortho.gr/

International Association of Facial Growth Guidance
   Society devoted to BioBloc therapy.
   http://www.orthotropics.com/

LingualOrtho
   Provides a discussion group for orthodontists, dentists, orthodontic technicians and other related health professionals.
   http://groups.yahoo.com/group/LingualOrtho/

New Zealand Association of Orthodontists
   Society for board certified orthodontists in New Zealand.
   http://www.orthodontists.org.nz/

Northeastern Society of Orthodontists
   Features a directory of officers, meetings and education programs, a newsletter and a list of programs.
   http://www.nesortho.org/

Ontario Association of Orthodontists
   Membership lists, before and after pictures, answers to patient's questions.
   http://www.oao.on.ca/

Pacific Coast Society of Orthodontists
   Meeting information, forum for member dentists, links to resources for orthodontic assistants and prospective orthodontists. The society covers the western part of the United States.
   http://www.pcsortho.org/

Southern Association of Orthodontists
   News, meeting information, leadership contacts and links to resources for orthodontists and staff. The society covers the southern part of the United States.
   http://www.saortho.org

The European Orthodontic Society
   Membership information, an index of the orthodontic literature (pdf).
   http://www.eoseurope.org/

The Orthodontic National Group
   Specialist group for Orthodontis Dental Nurses throughout the United Kingdom and Eire.
   http://www.orthodontic-ong.co.uk

World Federation of Orthodontists
   Annual meeting information, lists of meetings of other societies.
   http://www.wfo.org/