Resources
- American Association of Orthodontists® (AAO)
http://www.braces.org 
- American Board of Orthodontics® (ABO)
http://www.americanboardortho.com 
- American College of Dentists (ACD)
http://www.acd.org 
- American Dental Association (ADA)
http://www.ada.org 
- Invisalign®
http://www.invisalign.com 
- Sonicare®
http://www.sonicare.com 
