"Product DescriptionOral-B Cross Action Indicator has perfectly angled bristles to remove up to 90% plaque in hard to reach areas. It's new bristle technology signals when to change for your best clean. Features and BenefitsCrissCross bristles flex and straighten to penetrate hard-to-reach plaque in-between teethNew bristle technology that turns green bristles to yellow, signaling when it's time to changePower Tip bristles help reach deep and clean hard-to-reach areas while still being gentle enough on your enamelSoft gum stimulators positioned on both sides of brush head gently massage the gums.Soft CrissCross bristles are angled in opposing directions to lift out and sweep away plaque.Power Tip Bristles Extra long bristles help clean hard to reach places.*Most used by dentists based on surveys of a representative worldwide sample of dentists usage carried out for P&G continuously.**Based on a single-use brushing study."