Simply not simple.
Meskin
L H
LH
D002648:Child; D019140:Dental Care for Children / Q000191:economics / Q000706:statistics & numerical data*; D006297:Health Services Accessibility; D006801:Humans; D007347:Insurance, Dental; D008484:Medicaid; D009909:Oral Health / Q000592:standards*; D011203:Poverty; D014481:United States