From the number one brand recommended by dentists comes a groundbreaking toothbrush with astonishing cleaning power the cross action bristles of this brush are precisely angled at 16 degrees to surround each tooth removing plaque with their rotating pulsating action r r using the toothbrush is precise and comfortable thanks to the ergonomic handle while the pro timer helps you keep track of your cleaning giving a short buzz every 30 seconds and a longer alert after the recommended 2 minut