Oral-B Advantage Complete 5 Way Clean Medium Toothbrush has 5 zones for a deeper clean. Its 5 cleaning zones go beyond ordinary toothbrushes to remove up to 90% of plaque bacteria. Oral-B is the #1 toothbrush brand used by dentists worldwide. 5 Cleaning Zones: - Power Tip cleans hard to reach areas. - Interdental row cleans in between teeth. - Center cup to polish surface stains. - Gum Massagers. - Tongue and Cheek Cleaner. 2.5x deeper reach (in between teeth vs. a regular manual toothbrush). A new toothbrush can remove up to 30% more plaque than one 3 months old (research with a flat trim manual toothbrush with regular brushing).