A four-year study of the utilization of dental assistants with expanded functions.
D003365:Costs and Cost Analysis; D003695:Delivery of Health Care; D003726:Dental Assistants / Q000193:education / Q000706:statistics & numerical data*; D003729:Dental Care; D003793:Dental Restoration, Permanent; D003814:Dentistry, Operative; D005250:Fees, Dental; D006801:Humans; D007198:Indians, North American; D009909:Oral Health; D010348:Patient Care Team; D011787:Quality of Health Care; D014481:United States