A complete oral hygiene routine centers around having an amazing and efficient toothbrush, like an Oral-B Cavity Defense Toothbrush. Specially created with bristles that reach those back teeth and tight spaces, it both helps prevent cavities and promotes good gum health. Plus, it’s super comfortable to use!Toothbrushes remove plaque and food from teeth to reduce tooth decay. Oral-B Cavity Defense provides the basic anti-cavity benefits you need in a toothbrush. Dual Cup Bristles designed to clean deep in between teeth and along the gum line. Freshens breath: Molded tongue cleaner designed to help freshen breath. Blue Indicator bristles fade halfway so you know when to replace your brush.