The Oral-B CrossAction Advanced Toothbrush with CrissCross bristles has advanced plaque removal even in hard to reach areas. Uniquely angled bristles remove plaque to improve gum health* Additionally, Bacteria Guard Bristles help keep your bristles clean for up to 3 months** Oral-B, the brand more dentists use themselves worldwide *based on short term (< 3 month) clinical data **Inhibits microbial growth that may affect the bristles. The bristles do not kill bacteria in the mouth or protect you against disease. Always clean the product thoroughly after use. Contains 8 CrossAction Advanced Soft bristle toothbrushes CrissCross bristles are angled in opposing directions and provide advanced plaque removal even in hard to reach areas Bacteria Guard Bristles help keep your brush clean up to 3 months* *Inhibits microbial growth that may affect the bristles. The bristles do not kill the bacteria in the mouth or protect you against disease. Always clean product thoroughly after use PowerTip Bristles reach and clean back teeth Tongue & Cheek Cleaner removes odor causing bacteria for fresh breath Oral-B, the brand more dentists use themselves worldwide