Instead of a classic vibration motor, the Oral-B brand relies on an innovative magnetic drive for the toothbrush. The difference: the vibrations are much gentler than those of conventional competitor models. However, the iO-Series 9 has much more to offer: For example, the smart brush recognises which areas have already been brushed and shows this on the built-in colour display...

Lavishly equipped. The high-priced round-head brush cleans the teeth well and uses oscillating-rotating and vibrating movements. If you press down too hard while brushing, a light signal warns you. Seven cleaning settings and a charging travel case are also part of the equipment. The brush can be connected via Bluetooth to the Oral-B app, which is designed to support tooth brushing.

Instead of a classic vibration motor, the manufacturer relies on an innovative magnetic drive for the toothbrush. The difference: the vibrations are much gentler than those of conventional competitor models.