Further RDHAP Education Websites that contain DBC, PACE and ADA CERP Approved Continuing Education courses. American Dental Association California Dental Hygienists' Association CareQuest Institute Colgate Oral Health Network Dentalcare.com: Continuing Education and Resources Dimensions of Dental Hygiene Today's RDH: Research Trends & Education Professional Dental Hygiene Organizations American Dental Hygienists' Association California Dental Hygienists' Association Local CDHA Components Based On Your Area RDHAP Programs West LA College University of the Pacific California Northstate University Research and Industry News California Oral Health Technical Assistance Center Cochrane Library National Institute of Dental & CranioFacial Research (NIDCR) NIDCM Webinars Oral Health Workforce Research Center