The brand more dentists use themselves.Brush HeadP & G-HealthUses:Floss Action brush head with micropulse bristles provide an advanced cleaning system that surrounds each tooth for superior cleaning vs. Oral-B Precision Clean, the best selling power refill. Smart technology features available only when used with Oral-B Triumph ProfessionalCare 9000 series toothbrush. Each brush head hygienically sealed for convenient storage Dentists recommend changing your toothbrush every 3 months. Indicator bristles will fade over time, signaling time to change brush head Oral-B's best brush when used on ProfessionalCare handles. Fits: Triumph ProfessionalCare Vitality** AdvancedPower.