Fits most Oral-B power brushes. No. 1 used by dentists worldwide. Perfectly angled bristles. UP to 100% more plaque removal (vs. a regular manual toothbrush). Does not fit: Pulsonic, 3D White battery; Complete battery; Pro-Health battery. 1. Features precisely angled 16 degrees bristles to perfectly adapt to each tooth and clean deep in between teeth. 2. Indicator bristles signal time to replace brush head. Dentists recommend changing your brush head every 3 months. 3. Interchangeable brush head: Floss Action; 3D White; Precision Clean; Sensitive Gum Care; Deep Sweep; Dual Clean. www.oralb.com/www.oralb.ca. Customer Service Number: 1-800-56-OralB (1-800-566-7252). www.pg.com. Made in Germany.