Dental markers of poverty: Biocultural deliberations on oral health of the poor in mid-nineteenth-century Ireland.

These findings are consistent with an expected trend, relating to low rates of periodontal disease and root exposure (resulting in root caries) among young adults, and a higher rate of molar tooth loss (resulting in fewer pit and fissure sites) and periodontal disease (which increase the rates of root exposure) among older adults (Darby & Walsh, 2010 , pp. 243–245; Mobley, 2007 ).

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