Gentle vibrations dont give plaque, pigment spots or bacteria a chance. Sonic technology vibrates the brush head at a high frequency of 35,000 movements per minute Changing the head takes a few seconds The brush head does not destroy tooth enamel and is also suitable for sensitive teeth At the same time, the brush rotates the paste with water, introduces them into the spaces between the teeth and thus helps to clean them. See also other products of the TrueLife brand, which you can find in the categories Electronics under the Christmas tree, Toothbrushes and Mouth and teeth. If you are not sure about the choice of this product, be inspired by the category of Sonic replacement heads.