Removes up to 10 times more plaque from hard-to-reach places than a manual toothbrush with AdaptiveClean brush head. This Philips Sonicare toothbrush whitens teeth more than 2x better than a manual toothbrush in just 1 week. Removes up to 100% more stains for whiter teeth in just 1 week. This Philips electric toothbrush provides optimal cleaning between teeth and along the gumline for improved gum health in just two weeks. Please note: This is a set of replacement heads for an existing DiamondClean toothbrush.