Oral-B Cross Action Replacement Toothbrush Heads 3+1 Description The Oral-B CrossAction toothbrush head features a round head design to clean tooth-by-tooth. Its CrissCross bristles are set at a 16 degree angle to effectively clean along the gumline and reach deep between teeth to lift and power away up to 100 per cent more plaque for a precise clean vs. a regular manual toothbrush. Angled to reach deep between teeth. The CrossAction toothbrush head has precisely angled bristles set at 16 degrees. Indicator bristles fade as a sign to replace your toothbrush head for a good clean. Features specifically engineered bristles that are designed for complete tooth coverage. Remove plaque and leave your whole mouth cleaner than a regular manual toothbrush. Compatible with the entire lineup of Oral-B rechargeable electric toothbrush handles, except for Oral-B Pulsonic toothbrushes.