- American Association of Orthodontists
- Information on the dental speciality of orthodontics, braces, teeth, bite and the organisation, for AAO members, the public, and health care professionals. - World Federation of Orthodontists
- Official site of World Federation of Orthodontists. Includes news, calendar of events, and related links. - American Orthodontic Society
 - Canadian Association of Orthodontists
- Dedicated to the advancement of orthodontics and the promotion of quality care. - Australian Society of Orthodontists
- Professional association dedicated to advancing the practice of orthodontics as a specialist branch of dentistry. - Italian Orthodontic Society
 - Ontario Association of Orthodontists
- Providing the public with information about the principles and practices of Orthodontics. - Egyptian Orthodontic Society
- An independent organisation devoted to the promotion of orthodontic services. Association of Orthodontists
- Promotes the art and science of orthodontics through continuing education, and research, maintaining a standard of ethics and professional conduct.- Academy of Gp Orthodontics
- Nonprofit educational and professional organisation for dentists and pedodontists. - New Zealand Associations of Orthodontists
- A wealth of general information about straightening teeth. - European Orthodontic Society
- Official site of the European orthodontic society. Includes scholarships and awards, application forms, newsletter, and teachers' forum. - Turkish Orthodontic Society
- Official site of the Turkish orthodontic society. In Turkish and English.
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