He told Dorothy he had
brushed his shaggy hair and whiskers; but she thought he must have
brushed them the wrong way, for they were quite as shaggy as before.
Oral-B's Professional Timer ensures that each quadrant of the mouth is
brushed for 30 seconds, to reach the dental professional-recommended two minute brushing session.
Oral-B GENIUS features groundbreaking Position Detection Technology that combines a motion sensor located in the brush with video recognition using a smartphone camera to track areas being
brushed so that no zone is missed--even commonly missed areas like back molars.