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Ludwig KH, Fontana M, Vinson LA, Platt JA, Dean JA.Ludwig KH, et al. Among authors: platt ja.J Am Dent Assoc. 2014 Dec;145(12):1248-53. doi: 10.14219/jada.2014.89.J Am Dent Assoc. 2014.PMID: 25429038Free article.