Looking for Oral-B iO brush attachments promotions? We collected all the deals for you. That way, you get your new Oral-B iO attachments at a sharp price. Which Oral-B iO brushes suit you, depends on your wishes and needs. For example, there are brushes for a thorough cleaning, but also for sensitive teeth. You have to replace the brush attachment of your Oral-B iO toothbrush every 3 months. That way, you can ensure the best brushing result.