The iO 3 electric toothbrush features Oral-B’s best technology, combining a
dentist-inspired round brush head with micro-vibrating bristles for a
professional purifying clean feel at home. The Smart Pressure Sensor helps
prevent you from brushing either too hard or too softly to better protect your
gums and alerts you to time spent brushing with too much pressure. Replace
your Oral-B iO toothbrush head every 3 months for the best results
