title: Legality and dental hygienists' performance of expanded functions.
authors.forename: E M
authors.initials: EM
authors.lastname: Boyer
authors.forename: N J
authors.initials: NJ
authors.lastname: Nielsen-Thompson
mesh_terms: D003695:Delivery of Health Care / Q000331:legislation & jurisprudence; D003729:Dental Care / Q000331:legislation & jurisprudence; D003756:Dental Hygienists / Q000706:statistics & numerical data; D006801:Humans; D007879:Legislation, Dental; D014481:United States