Moskiller Electric Toothbrushes for AdultsEquipped with a powerful and industry leading motor producing 40,000 , this sonic electric toothbrushes for adults and kids can effectively remove up to 99. 99% plaques. Get a thorough than manual toothbrush, 6X than ordinary electric toothbrush. Last for Sonicare electric toothbrush comes with 8 DuPont brush heads, which you can use for 2 years. High density bristles and design in "" can go into the gum thoroughly, removes the stubborn tooth stains