Advance to a Healthier Smile and Stronger Teeth with Crest Pro-Health Advanced Antibacterial Protection*. It provides protection against plaque bacteria to keep your mouth healthy and provide long lasting freshness. It is made with patented stannous fluoride and provides clinically proven protection. It provides 8 advanced benefits in 1 including: Fresh Breath Whitening Protection against Acid Erosion** Sensitivity Cavities Gingivitis Plaque and Tartar. *fights plaque bacteria associated with gingivitis **Acid erosion effects: Acids in everyday foods can soften and thin enamel leaving teeth less white weaker and sensitive.