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Oral Hygiene

Oral hygiene is important for your overall health, and you can find all the information here on Live Science to keep your gums and teeth healthy. From facts about brushing and flossing to product guides on the best toothbrushes, Live Science delivers all the science of oral hygiene.

Latest Updates

Save a bundle with these Philips electric toothbrush deals

By Patricia Carswell published 29 November 22

Deals With the best Philips electric toothbrush deals can enjoy big savings from a premium brand.

Oral-B electric toothbrush deals: Achieve a deeper clean for less

By Lou Mudge published 29 November 22

DEAL Enjoy big savings on a premium brand with these Oral-B electric toothbrush deals.

Waterpik cordless select cyber monday deal

Save 40% on this Cyber Monday Waterpik deal and achieve a deeper clean for less

By Lou Mudge published 28 November 22

DEALS Hurry to the checkout, with only a few hours left to get 40% off the WaterPik Cordless Water Flosser for Cyber Monday.

Final chance to save 60% on the top-rated hum by Colgate electric toothbrush for Cyber Monday

By Lou Mudge published 28 November 22

DEALS One of our favourite electric toothbrushes is less than $30 for Cyber Monday — but the offer won't last long.

Huge saving! Get 50% off the Oral-B Genius X Limited electric toothbrush this Cyber Monday

By Becks Shepherd published 28 November 22

Deal If you hurry, you can step up your oral health with our favourite electric toothbrush for under $100 this Cyber Monday.

Live Science Cyber Monday electric toothbrush deals

Cyber Monday electric toothbrush deals to help brighten your smile

By Alice Ball published 27 November 22

DEALS There are sparkly Cyber Monday electric toothbrush deal with discounts of up to 66% on top models

Black Friday deal cuts $80 off the Oral-B iO Series 9 electric toothbrush

By Becks Shepherd published 25 November 22

Deal This superb Black Friday electric toothbrush deal saves you 24% on this premium brush, via Amazon

Sonicare electric toothbrush Black Friday deal

Electric toothbrushes are always on sale – but this Black Friday deal is the real thing

By Anna Gora last updated 28 November 22

DEALS You can currently save 47% on the Philips Sonicare ProtectiveClean 6500 Electric Toothbrush in the Black Friday sales

woman using one of the best water flossers in a bathroom

Best water flossers 2023: Improve your oral hygiene for less this Black Friday

By Joanne Lewsley published 24 November 22

BUYING GUIDE The best water flossers can help to reduce bleeding gums and dental tartar, while improving overall hygiene.

waterpik ultra water flosser being tested by Live Science contributor Lou Mudge

Waterpik Ultra Plus review

By Lou Mudge published 24 November 22

REVIEW We put the Waterpik Ultra Plus to the test and discovered a dentist-clean water flossing experience at home.

waterpik cordless select being tested by Live Science contributor Lou Mudge

Waterpik Cordless Select review

By Lou Mudge published 23 November 22

REVIEW We found the Waterpik Cordless Select to be a great water flosser for traveling, but it lacks the variety of larger models.

Which teeth fall out?

By Lou Mudge published 11 November 22

REFERENCE We’ve spoken to experts to find out which teeth fall out, and why you might lose teeth in adulthood

Oral-B iO Series 10 review

By Luke Edwards published 2 November 22

Review The Oral-B iO Series 10 is one of the most advanced toothbrushes you can buy, but is it worth the steep price?

Spotlight Oral Care Water Flosser review

By Lou Mudge last updated 13 September 22

review The Spotlight Oral Care Water Flosser is an effective tool to achieve clean-feeling teeth and step up your oral care routine

What to eat after wisdom teeth removal

By Maddy Biddulph last updated 20 July 22

Feeling sore after dental surgery? Here’s what to eat after wisdom teeth removal, and what to avoid if you’re uncomfortable

Enjoy $90 off the Oral-B iO Series 9 this Prime Day – tried and tested

By Alice Ball last updated 11 July 22

Deal One of our favorite electric toothbrushes is reduced by 27% on Amazon

The best and worst foods for teeth

By Louise Bond published 25 June 22

Reference Want a pearly white smile? Here’s what you need to know about the best and worst foods for teeth

What causes bleeding gums?

By Louise Bond published 23 June 22

Reference Here’s the lowdown on what you need to know about bleeding gums, including how to ease the symptoms

Oclean X Pro Elite toothbrush review

By Lou Mudge last updated 13 September 22

Review The Oclean X Pro Elite is an app-aided, sleek-looking electric toothbrush that monitors your brushing – and offers advice on how to do it better

How to whiten teeth naturally at home

By Louise Bond last updated 23 August 22

Find out what works (and what doesn’t) when it comes to the ways to whiten teeth naturally