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Design features of the Diabetes and Periodontal Therapy Trial (DPTT): a multicenter randomized single-masked clinical trial testing the effect of nonsurgical periodontal therapy on glycosylated hemoglobin (HbA1c) levels in subjects with type 2 diabetes and chronic periodontitis.
DPTT study group; Engebretson S, Gelato M, Hyman L, Michalowicz BS, Schoenfeld E. DPTT study group, et al. Contemp Clin Trials. 2013 Nov;36(2):515-26. doi: 10.1016/j.cct.2013.09.010. Epub 2013 Sep 27. Contemp Clin Trials. 2013. PMID: 24080100 Free PMC article. Clinical Trial.