A Clinical Study to Assess the Anticalculus Efficacy of a New Dentifrice Containing a Special Grade of Silica Joseph A Sowinski, DDS, MS If you would like a copy of this clinical study you can order one by calling 1-800-2COLGATE or by emailing Colgate. Thank You. A Clinical Study to Compare the Anticalculus Efficacy of Three Dentifrice Formulations Donald R. Allen, DDS, MS If you would like a copy of this clinical study you can order one by calling 1-800-2COLGATE or by emailing Colgate. Thank You. A 30-month study investigating the effect of adding triclosan/copolymer to a fluoride dentifrice Hawley G, Hamilton F, Worthington H, Davies R, Holloway P, Davies T, Blinkhorn A Careis Res 29: 163-167 1995. If you would like a copy of this clinical study you can order one by calling 1-800-2COLGATE or by emailing Colgate. Thank You. A Study to Assess the Tooth Whitening Efficacy Chester Sielski, DDS If you would like a copy of this clinical study you can order one by calling 1-800-2COLGATE or by emailing Colgate. Thank You. Effect of a triclosan/copolymer/fluoride dentifrice on plaque formation and gingivitis: a 7-month clinical study Garcia-Godoy F, Garcia-Godoy F, DeVizio W, Ferlauto R, Miller J 1990 Am J Dent 3 (Spec Issue): S15-26. If you would like a copy of this clinical study you can order one by calling 1-800-2COLGATE or by emailing Colgate. Thank You. A Review of Calculus Clinical Efficacy Studies Anthony R. Volpe, DDS, MS If you would like a copy of this clinical study you can order one by calling 1-800-2COLGATE or by emailing Colgate. Thank You.