The philips sonicare diamond clean black toothbrush removes up to 10 times more plaque from hard to reach places than a manual toothbrush with adaptiveclean brush head it 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 it provides optimal cleaning between teeth and along the gumline for improved gum health in just two weeks