CDHA is the official California Dental Hygienists Association. The mission of CDHA is to advance the art and science of dental hygiene, increasing awareness of the cost effective benefits of prevention and ensuring oral health care; promoting the highest standards of dental hygiene education, licensure, practice, and research the interests of dental hygienes. Our vision id for the Dental Hygienists' to be integrated into the healthcare delivery system as essential primary care providers to expand access to oral health care.