Replacement brush heads. No.1 dentist used brand worldwide. Removes 400% more plaque along the gumline (vs. regular manual toothbrush). Interchangeable brush head fits most Oral-B toothbrushes. Does not fit: iO rechargeable; 2D White battery; Complete battery; Gum Care battery. 1. Features end-rounded bristles for cleaner teeth & healthier gums. 2. Indicator bristles signal time to replace brush head. Helps remove plaque. Helps prevent/reduce gingivitis. America Dental Association: ADA accepted. www.pg.com. www.oralb.com. how2recycle.info. Customer Service Number: 1-800-56-OralB (1-800-566-7252). Made in Germany.