A Phase 3 Clinical Study Investigating the Gingivitis Efficacy of a Test Dentifrice Containing Stannous Fluoride

In this arm, participants will apply a full ribbon of dentifrice ( 0.454% w/w stannous fluoride) to the bristles of a study toothbrush and brush their teeth in their usual manner for one timed minute twice daily (morning and evening) and record on their study diary completed brushings.

In this arm, participants will apply a full ribbon of negative control dentifrice (1000 ppm fluoride as SMFP to the bristles of a study toothbrush and brush their teeth in their usual manner for one timed minute twice daily (morning and evening) and record on their study diary completed brushings.