American Dental Assistants Association: http://www.dentalassistant.org
American Dental Education Association: http://www.adea.org
American Dental Association: http://www.ada.org
Dental Assisting National Board: http://www.danb.org
Organization for Safety and Asepsis Procedures: http://www.osap.org
Crest: http://www.dentalcare.com/drn.htm
Colgate: http://www.colgateprofessional.com/app/ColgateProfessional/US/EN/HomePage.cvsp
Bureau of Labor Statistics: http://www.bls.gov