Overview Effect of Two Toothpastes on Bacteria in Saliva Status: Completed Trial end date: 2014-11-27 Target enrollment: Participant gender: Summary This study investigated the ability of two zinc-containing toothpaste formulations (Zinc A and Zinc B) to reduce the level of bacteria in saliva in the two-hour period after their use, compared to the effect of rinsing with water alone. Phase: N/A Details Lead Sponsor: GlaxoSmithKlineTreatments: Zinc