Oral B CrossAction Electric Toothbrush Heads - 4 Pack. The Oral-B Cross Action Replacement Electric Toothbrush Head is Oral-B's most advanced technology. It features perfectly angled bristles to remove 500% more plaque for a superior clean.. The round brush head is inspired by dental professional tools for a tooth-by-tooth clean, with specially engineered bristles.. Round brush head is inspired by dental professional tools for a tooth-by-tooth clean, with specially engineered bristles for optimal tooth coverage
