The Oral-B IO Ultimate Cleaning brush is removed up to 100% more plaque than a conventional hand toothbrush and provides the best cleaning of Oral-B. The revolutionary magnetic technology of the IO toothbrush brings energy to the mountains of the brother. Wrath bristles are perfectly adapted to each teeth, while the "bristle in beer" stacks reach deep into the gaps between the teeth. IO brushes are only compatible with Oral-B IO electric toothbrushes.