Oral-B Precision Clean helps you enjoy a clean feeling mouth and healthy gums. Oral-B Precision Clean helps you enjoy a clean feeling mouth and healthy gums. The Precision Clean bristles reach deep between teeth and cover more of the tooths surface, leaving your whole mouth cleaner than a regular manual toothbrush. Oral-B replacement toothbrush heads feature Indicator bristles that fade halfway to help remind you when to replace your toothbrush head so you maintain a superior clean. An Advanced Bristle System removes more plaque and cleans deeper than a manual toothbrush. Interdental tips on Oral-B brush heads penetrate hard-to-reach areas. Indicator bristles let you know when to replace brush head. This oscillating rotating Oral-B brush heads fits: Oral B Triumph Professional Care 9000Oral B Professional Care 8000 & 7000 Series Oral-B Vitality Precision Clean Oral-B Vitalisty Dual Clean Oral B Advance Power 900 & 400