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Updated: Apr 11, 2026

Systematic Assessment of Mammalian Skull Specimens for Dental and Temporomandibular Joint Pathology
Published on: August 22, 2022
Geographic variation of dental utilization among low income children
Susan C McKernan1, Raymond A Kuthy1, Paul F Hanley2
1University of Iowa Public Policy Center, Iowa City, IA, USA; University of Iowa College of Dentistry, Iowa City, IA, USA.
Abstract:
Spatial accessibility of dental care is mediated by dentist workforce availability and travel costs. In this study, we generated dental service areas through small area analysis of Medicaid administrative data and claims. Service areas were then used to assess dimensions of spatial accessibility, including dentist-to-population ratios, and examine relationships in geographic variation of routine dental care among Medicaid-enrolled children. Our findings indicate significant geographic differences in accessibility for Hispanic children compared to other children, even after controlling for individual and service area characteristics.
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