American Dental Association
http://www.ada.org

The Angle Orthodontist
http://www.angleorthodontist.org

The Pacific Coast Society of Orthodontists
http://www.pcsortho.org

University of Washington, Department of Orthodontics
http://www.dental.washington.edu/departments/ortho/index.htm

American Journal of Orthodontics & Dentofacial Orthopedics
http://www.mosby.com/ajodo

American Board of Orthodontics
http://www.americanboardortho.com/

American Dental Hygienists Association
http://www.adha.org/

National Institute of Dental and Craniofacial Research
http://www.nidr.nih.gov/

American Academy Periodontology
http://www.perio.org

American Association of Oral and Maxillofacial Surgeons
http://www.aaoms.org/

American College of Prosthodontists
http://www.prosthodontics.org

American Medical Association
http://www.ama-assn.org

Washington State Department of Health; Office of Radiation Protection
http://www.doh.wa.gov/ehp/rp/

Dr. Miles - Digital Education for Dentistry
http://www.learndigital.net