* Indicator bristles signal time to replace brush head. Dentists recommend changing your brush every 3 months. * Interchangeable brush head: Floss Action, Pro White, Precision Clean, Sensitive Gum Care, Dual Clean. * Does not fit: Vitality Sonic, Sonic Complete, Pulsonic, CrossAction Power. * #1 Dentist Recommended Toothbrush Brand Worldwide  Oral-B. * Oral-B & Indicator are Trademarks of Procter & Gamble. Braun is a Registered Trademark of Braun, GMBH Kronberg/TS., Germany. * USA Distributed by: Oral-B, A Division of Procter & Gamble Cincinnati, OH 45202 Canada Distributed by: Oral-B Laboratories, A Division of Procter & Gamble Inc. Toronto, ON M5W 1C5