General Information Oral-B Electric Toothbrush Heads in Precision Clean promote a clean mouth and healthy gums. Inspired by professional tools, the round Precision Clean brush head also cleans tooth by tooth and removes up to 100% more plaque*. Experience the Precision Clean toothbrush head designed by the 1 dentist recommended brand worldwide. The bristles reach deep between the teeth and cover more surface, leaving your whole mouth cleaner*.*vs. a regular manual toothbrushFeatures:- Up to 100% more plaque removal.* Round head cleans better* for healthier gums (*vs. a regular manual toothbrush)- Round head cleans better* for healthier gums (*vs. a regular manual toothbrush)- Reaches deep between teeth and covers more surface, leaving your whole mouth cleaner*- Cleans better 3X longer vs Store Brand refills**  - Designed with dentists, and compatible with Oral-B rechargeable electric toothbrush handles, except for Oral-B sonic toothbrushes- Replace your brush head every 3 months to relive that new brush feeling- 2 toothbrush head refills in box**after 13 weeks vs. 4 weeks of comparable store brand use Oral-B: The Brand More Dentists Use Themselves WorldwideProduct Claims: Round head cleans better* for healthier gums (*vs. a regular manual toothbrush)Recommended By: DentistsBoxed Contents: 2 Brush headsSize: 2 Brush HeadsKEY FEATURES• Interchangeable brush head• Promotes cleaner teeth, healthier gums (vs. a regular manual brush)• Compatible brush heads• Promotes a clean mouth and healthy gumsDirectionsDentists recommend changing your brush every 3 months.Indicator bristles signal time to change brush head.