Philips Sonicare electric toothbrush's unique dynamic action gently and effectively reaches deep between teeth and along the gumline. Diamond Clean toothbrush heads, Philips Sonicare's best whitening brush head, have diamond shaped bristles to effectively yet gently remove surface stains and scrape away plaque. Removes stain build up from coffee, tea, red wine, cigarettes and tobacco in just 1 week.