RecruitingDrug trialA Study to Investigate the Efficacy of an Experimental Dentifrice Containing Stannous Fluoride in Improving Gingival HealthThe aim of this study will be to evaluate the ability of using an experimental dentifrice containing 0.454 percent (%) weight for weight (w/w) Stannous Fluoride (SnF2) to reduce gingivitis and plaque accumulation, compared with a regular fluoride toothpaste (negative control) in participants with mild to moderate gingivitis.