American Dental Hygienists' Association

'''The American Dental Hygienists' Association (ADHA''') is the largest national United States organization representing the professional interests of more than 185,000 dental hygienists across the country. Dental hygienists are preventive oral health professionals, licensed in dental hygiene, who provide educational, clinical and therapeutic services that support total health through the promotion of oral health. Its headquarters are in the Near North Side, Chicago.

Two major publications are produced by ADHA—a national magazine and a scientific journal—as well as a number of specialty newsletters. Provided by Wikipedia