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The Philips Sonicare Prestige 9900 HX9992/12 is among the most expensive electric toothbrushes we've tested, but you get loads of features, such as smartphone compatibility and extra brushing modes. Can this smart electric toothbrush clean your teeth a lot better than less expensive models or is it a waste of money? Find out in our full Philips Sonicare Prestige 9900 review.
pros
cons
What's included?
- What is it?
- Does it do a good job of cleaning teeth?
- What’s the battery like?
- Is it comfortable and easy to use?
- Is there anything else I should know?
- Should I buy it?
Full Access first month £5, then £10.99 per month, cancel at any time
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| Battery performance | |
| Ease of use |
- Aug 2023Last checked by Which?
- Dec 2021First reviewed by Which?
- Apr 2021Released
