6X More Plaque Removal versus a regular manual toothbrush.
Oral-B CrossAction X Replacement Brush Heads (10 Count). Round brush head is inspired by dental professional tools for a tooth-by-tooth clean, with specially engineered bristles. Oral-B CrossAction X Replacement Brush Heads (10 Count) The Oral-B Brush heads are compatible with Oral-B rechargeable toothbrushes, except for Oral-B iO Toothbrushes.The X shaped bristles lift, trap, and remove plaque for that all around fresh clean.