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Best Buys for beautiful teeth: 8 products that soared through our tests
With over a decade of experience at Which?, Tom covers everything from tech advice to money-saving tips, and highlights the best deals during major sales events.
Improve your oral hygiene and maintain a healthy, bright smile with this round-up of Best Buys from our rigorous tests.
Our list of recommended products includes a lower-priced water flosser that wowed our testers with its cleaning power, an electric toothbrush that does a fantastic job of removing plaque, and a whitening toothpaste that cleans and noticeably whitens without being too abrasive.
Keep scrolling for the details on high-scoring oral care products, plus a closer look at the only Which? Recommended Provider for dentists, which earned the full five stars for the skill and knowledge of its staff in our consumer survey.
On this page, Which? members will have exclusive access to:
- our full list of Best Buy and Great Value products
- a look at the only Which? Recommended Provider for dentists
- expert insight and pricing analysis from our experts.
If you’re not yet a member, you can get instant access by joining Which? – you'll also be able to unlock our full product reviews.
1. A toothbrush that's fantastic at removing plaque (82%, Best Buy)
This premium electric toothbrush is packed with features and connects to a smartphone app that tracks how long you brush for, how much pressure you apply and how much of each tooth's surface you’ve cleaned.
In our tests, it did an excellent job of removing plaque – our panel said the clean feeling after brushing was one of their favourite things about using it.
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2. An all-round excellent water flosser (93%, Best Buy, Great Value)
This cordless water flosser gave us more than three hours of battery life in our tests. That, paired with excellent cleaning power, makes it a Which? Best Buy.
It's also Great Value, as it's 20% cheaper than the average cost of the water flossers we've tested.
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3. A whitening toothpaste that reliably removes plaque (81%, Best Buy)
While this toothpaste is unlikely to offer the same results you'd get from professional dental treatment, it provides a noticeable improvement in whiteness while also reliably removing plaque and cleaning your teeth effectively.
You can count on this Which? Best Buy toothpaste to protect your teeth when combined with proper, regular brushing.
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4. A toothbrush with four cleaning modes (77%, Best Buy)
The battery life on this electric toothbrush is exceptionally good. Assuming you brush for two minutes twice a day, you can get up to 175 two-minute sessions before the battery runs out – equal to an impressive 12 weeks of use from a single charge.
Crucially, this toothbrush also does a good job of removing plaque.
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5. A water flosser with the best battery life we've seen (88%, Best Buy, Great Value)
This water flosser's battery outlasts every other model we’ve tested, and it provides a thorough clean across three power settings.
If you're shopping for a water flosser that gets results, add this to your shortlist.
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6. A whitening toothpaste for sensitive teeth (79%, Best Buy, Great Value)
Our user panel tried this toothpaste and confirmed that it not only leaves your mouth feeling clean and fresh, but also gently whitens your smile over time. You’ll notice a visible improvement in whiteness, with your smile becoming gradually brighter.
If you have sensitive teeth, this Best Buy is worth a closer look – it’s one of the least abrasive toothpastes we’ve tested.
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7. A toothbrush with a built-in pressure sensor (76%, Best Buy)
While this electric toothbrush doesn't come cheap, it feels every bit as premium as its price suggests.
As this model is Bluetooth-equipped, you can access various smart features through the accompanying mobile app. The app recognises movement and coverage from the toothbrush, offering you tips on how to brush more effectively.
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8. A water flosser with incredible cleaning power (87%, Best Buy)
This cordless water flosser is easy to set up, and our testers were very impressed with its cleaning power.
In fact, almost every tester gave it a perfect score for how well it removed seeds from their teeth.
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9. A whitening toothpaste for a long-lasting fresh-breath feeling (78%, Best Buy)
While this is one of the more expensive whitening toothpastes we've tried, it's a proven Which? Best Buy and a worthwhile investment.
Our testers noted that the fresh-breath feeling lasted long after use, and agreed it had a pleasant consistency, a good amount of foam and was easy to squeeze from the tube.
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Which? Recommended Provider dentist brands
As part of our exclusive large-scale consumer survey, we asked more than 6,000 people who paid privately for their dentistry to rate their dentists on factors such as value for money, customer service and appointment availability.
Just one brand earned Which? Recommended Provider status for dentists. It scored a perfect five stars for the skill and knowledge of staff, and four stars in every other category except value for money, where it picked up three stars (the highest rating any brand received).
See our full guide to the best dentists and discover how big-name providers including Bupa, Mydentist and Smile are rated by private customers
Which? Best Buy products selected August 2026.
