White, D J Anticalculus effects of a novel, dual-phase polypyrophosphate dentifrice: chemical basis, mechanism, and clinical response. [electronic resource] - The journal of contemporary dental practice Nov 2000 - 1-19 p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial ISSN: 1526-3711 Subjects--Topical Terms: AdultAnalysis of VarianceCalcium--metabolismDental Calculus--drug therapyDental Plaque--complicationsDentifrices--chemistryDiphosphates--chemistryDouble-Blind MethodDurapatite--chemistryFemaleHumansMaleMiddle AgedSodium Fluoride--chemistryStatistics, NonparametricXylitol--chemistry