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Assessment of the effects of a stannous fluoride dentifrice on gingivitis in a two-month positive-controlled clinical study.

Author(s): He T, Barker ML, Biesbock AR, Sharma NC, Qaqish J, Goyal CR.

Affiliation(s): Procter & Gamble Company, Mason, OH, USA. he.t@pg.com

Publication date & source: 2012, J Clin Dent. , 23(3):80-5

OBJECTIVE: The purpose of this study was to evaluate the anti-gingivitis effectiveness of a 0.454% stannous fluoride test dentifrice relative to a marketed positive-control triclosan-containing dentifrice in adults with gingivitis. METHODS: This was a two-month, randomized and controlled, double-blind, parallel group, single-center investigation involving 150 adults with existing mild to moderate gingivitis. Pre-treatment gingivitis levels were assessed at baseline using the Lobene Modified Gingival Index (MGI) and the Gingival Bleeding Index (GBI). Qualified subjects were randomly assigned to either a 0.454% stannous fluoride test dentifrice or a marketed, positive-control 0.30% triclosan/copolymer dentifrice. Subjects then brushed for two months unsupervised in the home setting with their assigned dentifrice per manufacturer's instructions. At Month 2, subjects were re-evaluated for gingivitis via MGI and GBI examinations. RESULTS: All 150 enrolled subjects completed the trial and were evaluable. Both the stannous fluoride test and triclosan/copolymer control dentifrices provided statistically significant reductions in average MGI, GBI, and number of bleeding sites relative to pre-treatment (p < 0.0001) at Month 2. The adjusted mean improvement from baseline at Month 2 for the stannous fluoride test dentifrice group was 65% greater for number of bleeding sites, 62% greater for GBI, and 45% greater for MGI compared to the triclosan/copolymer positive-control group, with groups differing significantly (p < 0.0001) via each of the three gingivitis measures. Both dentifrices were well-tolerated. CONCLUSION: An advanced stannous fluoride test dentifrice provided superior reductions in gingival inflammation and gingival bleeding compared to a commercially available triclosan/copolymer positive-control dentifrice after two months of tooth brushing.

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