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State-level prevalence of oral health indicators in children aged 1–17 years vs number of dentists per 1000 population for (a) decay, (b) bleeding gums, and (c) fair/poor oral health: National Survey of Children’s Health, United States, 2007.
Note. District of Colombia (DC) is shown separately on the graph. The linear (unadjusted) relationship between each outcome and dentist supply estimated using ordinary least squares is shown as a solid line on each panel.
