Five of the best electric toothbrushes

1. Philips Sonicare 9900 Prestige

Tracking pressure and motion up to 100 times a second, this brush adjusts its intensity as you go along, and sends information to the Sonicare app to help you brush better. It delivers a deep clean and battery life is two weeks.

£300; boots.com

2. Silk’n ToothWave Electric Toothbrush

This emits mild radio waves that loosen the bonds that cause tartar and staining. There are three intensity levels, and a full charge lasts two weeks.

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£104; amazon.co.uk

3. SURI Sustainable Sonic Toothbrush

This claims to be the world’s most sustainable toothbrush: it combines a plant-based head and bristles with a recyclable aluminium body. It cleans efficiently and battery life is around a month.

£85; trysuri.com

4. Oral-B iO9 Electric Toothbrush

The oscillating action on this top-of-the-range Oral B model gives teeth a thorough clean, and it has seven modes to choose from, including one for sensitive teeth. Battery life is up to 14 days. The next model, the Oral-B iO10, is due to be released later in the year.

£250; boots.com

5. Brushd electric toothbrush

The heads on this sonic brush can be recycled, so it wins on green points. Comfortable to use, it has three brushing modes, and the battery lasts 30+ days.

£60; brushd.co.uk