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American Association of Orthodontists

Contact Information

Lonnie Gatlin, Webmaster
401 North Lindbergh Boulevard
St. Louis, MO 63141-7816

800-STRAIGHT (Voice - Toll-free)
314-993-1700 (Voice)
314-997-1745 (FAX)

Internet Resources


The American Association of Orthodontists (AAO) is a professional association of educationally qualified orthodontic specialists dedicated to advancing the art and science of orthodontics and dentofacial orthopedics, improving the health of the public by promoting quality orthodontic care, and supporting the successful practice of orthodontics. Eight constituent organizations exist throughout the United States and Canada. AAO members must meet the educational requirements of the Council on Dental Education of the American Dental Association in order to become a specialist in orthodontics. AAO members must have at least two academic years of advanced education in an accredited program. Inside its national office, the AAO maintains the Charles R. Baker Reference Library, which is exclusively devoted to orthodontics. In addition, the AAO provides orthodontic referrals to the public through its toll-free number 1-800-STRAIGHT and its Web site,, an orthodontist locator service.


The AAO offers a variety of information on the dental specialty of orthodontics, braces, teeth, bite, and the AAO for the public, health-care professionals, and AAO members. Information is available upon request by calling 1-314-993-1700 or from AAO's Web site,


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Date Entered: 4/1/1998
Date Edited: 11/12/2012
Date Revised: 11/7/2007 12:39:03 PM
Health Referral Number: HR0171
Accession Number: DP91A0821

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