The Oral B Genius 9000 is powered by Sonicare’s sonic toothbrush, the Sonicare 9000 Series is one of the most recognized electric toothbrushes in the world. The Genius 9000 is an electric toothbrush developed by Oral-B. It includes two sonic modes, one for hardy teeth and one for sensitive ones. You can choose the mode that you need depending upon your daily routine.