Alexandria, Va., USA - The International and American Associations for Dental Research (IADR/AADR) have published an article titled "Predicting Periodontitis at State and Local Levels in the United States" in the OnlineFirst portion of the Journal of Dental Research. In it, authors P.I. Eke, X. Zhang, H. Lu, L. Wei, G. Thornton-Evans, K.J. Greenlund, J.B. Holt and J.B. Croft estimate the prevalence of periodontitis at state and local levels across the United States by using a novel, small area estimation (SAE) method.