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2. Dental care presents the highest level of financial barriers, compared to other types of health care services;Vujicic;Health Aff,2016
3. American Dental Association, Health Policy Institute Oral health and well-being in the United States www.ada.org/en/science-research/health-policy-institute/oral-health-and-well-being 2017
4. American Dental Association, Health Policy Institute Cost barriers to dental care in the U.S. www.ada.org/~/media/ADA/Science%20and%20Research/HPI/Files/HPIgraphic_1117_4.pdf?la=en 2017
5. American Dental Association, Health Policy Institute The oral health care system: a state-by-state analysis-key findings www.ada.org/~/media/ADA/Science%20and%20Research/HPI/OralHealthCare-StateFacts/Oral-Health-Care-System-Key-Findings.pdf?la=en 2017