Oral-B iO Interdental Clean Brush Heads 4 Pack is a set of dentist-inspired replacement brush heads for the Oral-B iO 4 electric toothbrush. These superior brush heads have micro-vibrating bristles designed to reach and clean interdental spaces for a more thorough and professional cleaning experience at home. The round design of the brush head, combined with Oral-B's innovative technology, removes 100% more plaque and up to 160% in between teeth compared to a manual toothbrush. It is advisable to replace your brush head every three months. Interdental cleaning with micro-vibrating bristles Round brush head design for a better reach Designed for Oral-B iO 4 electric toothbrush Greater plaque removal and cleaning between teeth Recommended to replace every 3 months for optimum performance

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