About this item CrissCross bristles are angled to flex into hard-to-clean areas, sweeping away up to 99% of plaque. Helps clean hard-to-reach areas with longer Power Tip bristles which penetrate deeper between teeth. Polishes away surface stains. Removes odor-causing germs on tongue, significantly reducing oral malodor. Cleans along the gumline. Proven to reduce gingivitis after 4 to 6 weeks of use (based on short term - less than or equal to 3 months - clinical data). Gentle, but stimulating on gums and enamel with extra soft bristles for everyday use. Ergonomic, nonslip handle provides comfortable and secure handling.