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A Guide to Flossing Properly and the Best Products to Use


Flossing. It’s something you know you should do, but how often do you actually get around to it? We get it; it’s fiddly and annoying and you often end up cutting off circulation to one or more fingers. Perhaps – if you’re honest – you’re not really sure how to floss properly anyway.

keep teeth clean
Do you make time for this every day?

If this is a habit you’ve fallen behind on, you’re certainly not alone. Only a quarter of British adults use dental floss regularly, and a third have never bothered with it at all.

But it’s actually an important part of your daily oral hygiene routine, so it’s great that you’re here to find out more about the right technique.

And if you’re not a fan of traditional dental floss, don’t worry. There is a variety of products that use different technologies to make the job much easier. Keep reading to find out which one you should be using.

Best Products for a Better Floss
Oral-B Satin Mint Dental FlossCheck the latest price
Cleaning method: scrapes plaques from teeth
Features: May be flavoured or waxed for smoother movement
Philips Sonicare AirFloss Power Flosser with Bonus NozzleCheck the latest price
Cleaning method: Microburst technology (pressurised air and water)
Features: Angled nozzle; cordless; guidance tip for proper positioning
Waterpik WP-660UK Ultra Professional Water FlosserCheck the latest price
Cleaning method: Pulsing water jet with 10 pressure settings
Features: Pacer and timer; separate water reservoir

Best Products for a Better Floss

Oral-B Satin Mint Dental Floss

Cleaning method: scrapes plaques from teeth
Features: May be flavoured or waxed for smoother movement

Check the latest price

Philips Sonicare AirFloss Power Flosser with Bonus Nozzle

Cleaning method: Microburst technology (pressurised air and water)
Features: Angled nozzle; cordless; guidance tip for proper positioning

Check the latest price

Waterpik WP-660UK Ultra Professional Water Flosser

Cleaning method: Pulsing water jet with 10 pressure settings
Features: Pacer and timer; separate water reservoir

Check the latest price

Why does flossing matter?

Small food particles can easily get lodged in the gaps between your teeth and below the gum line.

When you brush your teeth, you scrub bacteria, plaque and food particles off the chewing surfaces and visible sides of your teeth. But a regular toothbrush can’t reach the tight spaces between your teeth and under your gums. This is why you need to do some kind of interdental (between-teeth) cleaning, too.

If you don’t thoroughly clean plaque from your teeth, it hardens over time to form a substance called tartar. This thick deposit can’t be removed by brushing or flossing teeth; only dentists can dislodge it with their tools (and the process isn’t exactly pleasant).

pick for teeth
A pick or stick is another way to do the job

Plaque and tartar build-up on your teeth creates a breeding ground for bacteria, which then start attacking your tooth enamel. It also makes your breath smell. If plaque develops in pockets between the teeth and gums it usually leads to gum disease (gingivitis). This condition eventually causes teeth to become loose and even fall out if it’s not treated.

Brushing your teeth properly twice a day is essential for keeping your teeth and gums healthy, and certain electric toothbrushes use a pulsing motion to help clean between teeth. But they are still not a complete replacement for flossing.

If this isn’t good enough motivation for you, consider this: looking after your teeth well now should mean you need less dental work in the future. The cost of fillings, root canals, extractions, crowns, implants, etc. can easily add up, so you could say that flossing now will save you money on your future dental bills.

Summary of the benefits

To quickly recap, cleaning between teeth means:

  • Cleaner teeth and gums
  • Fresher breath
  • Less need for painful tartar removal at the dentist
  • Fewer cavities (and subsequent fillings)
  • Less risk of developing gum disease
  • Improved oral health so fewer complications later in life
  • Less money spent on dental work!

How to floss your teeth

So, now you’re convinced of the benefits, what is the correct way to clean between your teeth? There are several factors to consider here, including the timing, frequency and technique used.

How often should you floss?

Both the NHS and the Oral Health Foundation recommend cleaning between teeth at least once a day. Your dentist probably gives you the same advice every time you visit.

Children can start flossing when they are around 12, but they will need adult help and supervision at first.

Before or after brushing?

oral hygiene
Which should come first?

There are mixed theories on this.

The advice from the NHS and the Oral Health Foundation is to floss before you brush. The logic behind this is that it helps dislodge any food and plaque on and between teeth so the fluoride in your toothpaste gets better access to the surface of the tooth.

“Brushing alone only cleans three of the five surfaces of our teeth, so cleaning between them before we pick up our toothbrush is hugely beneficial. It helps to prevent gum disease by removing plaque from areas the toothbrush alone cannot reach,” said Oral Health Foundation Chief Executive Dr Nigel Carter following the release of a study which showed the benefits of flossing first.

On the other hand, there is a case for brushing first because this removes most of the plaque on your teeth and coats them with fluoride. Then, when you floss, this helps work the fluoride between your teeth.

Some experts say it doesn’t really matter – as long as you incorporate both elements into your daily hygiene routine. You might want to experiment and see which way around works best for you. The important thing is that you get into the habit of cleaning every surface of every tooth, every day.

The best technique

It’s easiest to see how to floss teeth by watching someone else do it, so here is a short video explaining the technique:

To summarise the steps involved:

  • Choose a floss that suits you (waxed or unwaxed; flavoured or unflavoured; single or multi strand).
  • Break off about 45cm (18in).
  • Wind some around your index or middle finger on each hand, leaving about 5cm exposed.
  • Pull it tight and use your thumbs to guide it into place between your teeth.
  • Be careful not to force it or snap it onto your gums.
  • Curve the floss around one tooth and gently push it as far as it will go, past the gum line.
  • Move it up and down along the side of the tooth 8-10 times (not side to side).
  • Repeat for the tooth on the other side.
  • Gently remove the string from that gap and unwind a clean piece to use on the next gap.
  • Don’t forget to clean the back of your four rear teeth as these can be difficult to reach with a toothbrush.
  • Rinse with water or mouthwash.
cleaning teeth with braces
Cleaning around braces is a little more difficult

Work your way methodically around your mouth and follow the same pattern every day. This will make it less likely that you miss a tooth.

You might notice your gums bleed a little when you first start flossing. This is probably just a sign that you are doing a good job of dislodging plaque, and the bleeding should subside after a few days of doing it. If it continues, it may be that you need to change your technique or use a different product. Speak to your dentist if this is the case.

To see whether you’re removing all the plaque between your teeth when you floss, try using a plaque discloser. These tablets and solutions dye plaque to reveal any that’s been missed when you brush and floss.

We’ll explain how to use other flossing products in the section below.

Cleaning around braces

Cleaning your teeth gets more complicated if you are wearing any style of fixed braces. You can’t slide anything all the way down the gap between your teeth since the archwire is in the way.

Check our article on flossing with braces for some tips, techniques and products to make the process a little less fiddly and time-consuming. You might want to invest in a water flosser, but speak to your orthodontist to see what he or she recommends.

Products for better flossing

Now let’s take a look at the various products available to help you make flossing a part of your daily routine. At the bottom you’ll find a table to quickly compare the main features of each of these.

Dental floss and tape

cleaning teeth properly
This product comes in string or tape form

If you think that all dental floss is the same, think again. This thin string is available with a variety of different features to suit different people’s preferences.

For example, you may buy it waxed or unwaxed and with the option of different flavours. It can come as monofilament (single-strand) or multifilament (multi-strand). Monofilament floss doesn’t fray and a wax-coated variety, like Oral-B Satin Floss, should slide between teeth more easily. These features increase the cost, but only slightly.

If the gaps between your teeth are particularly small you may get on better with a dental tape, which is wider but thinner than the string version.


If you struggle with the dexterity required to use string wound around your fingers, you may try using a dental floss stick, also known as a ‘pick’ or ‘wand’. These disposable items consist of a short piece of floss suspended between two plastic prongs on a handle. Often the handle is shaped into a point which can be used as a toothpick.

While they certainly make it easier to reach the back teeth, they don’t offer the same range of motion and they may miss the area below the gum line. They’re also not the best option if you’re conscious of the amount of plastic you throw away. You might find this device more hygienic though, as you aren’t touching the bacteria-covered string during use.

Interdental (interproximal) brushes

tepe interdental brushes mixed
TePe is a popular brand of interproximal brush in a variety of sizes

Another effective way to remove place from between teeth is with interdental brushes. These very small brushes are designed to fit in the spaces between teeth and dislodge any plaque or food particles stuck there. 

Interdental brushes can be less fiddly than dental floss, and you can read more about the different brands, sizes and types of interdental brush in our full guide. One potential downside is the amount of plastic waste they produce, since these little brushes only last 1-2 weeks at most with regular use. However, there are various eco-friendly options which we cover in our guide as well.

Oral irrigators (water jets)

ways to floss
New technology has made dental hygiene easier

For a more technological approach to cleaning between your teeth and under your gums, you could consider a water or air flosser. These hand-held devices, also known as oral irrigators, deliver a pressurised burst of air and/or water between each set of teeth.

Waterpik and Philips Sonicare AirFloss are two of the biggest names in this market, although many other brands are available. The AirFloss combines air and water in short bursts to “take the hassle out of flossing”. It uses only about a teaspoon of water per session, compared to the Waterpik which uses a lot more.

The general consensus among dentists is that water jets are not as effective as traditional string floss which physically scrapes plaque from teeth. And of course, they are much more pricey.

However, if you have trouble using regular techniques then a water flosser may be the next best thing. They also carry comparatively little risk of damage to gum tissue, and are much easier to use if you’re wearing braces. If you’re considering investing in an electric flosser, check out our guide to the different models available in the UK.

Product summary

Dental floss/tape Sticks/Picks Philips Sonicare AirFloss HX8212/02 Waterpik WP-660UK Ultra
Cost £1 - £2 for a 10-50m roll 4-5p each in a multipack Check with retailer Check with retailer
Cleaning method Scrapes plaque from teeth Scrapes plaque from teeth Microburst technology (pressurised air and water) Pulsing water jet with 10 pressure settings
Features May be flavoured or waxed for smoother movement Plastic handle; may be waxed or flavoured Angled nozzle; cordless; guidance tip for proper positioning Pacer and timer; separate water reservoir
Pros Cheap; most effective Easy to reach back of mouth; hygienic Easy to use with braces; gentle on gums; fits Sonicare toothbrush chargers Easy to use with braces; gentle on gums
Cons Fiddly/difficult to use; may damage gums if not used properly Disposable plastic; doesn't achieve full range of motion; may damage gums High cost; not as effective as normal flossing High cost; not as effective as normal flossing; lots of water can be messy

Keeping your teeth healthy

Cleaning your teeth well is just one part of maintaining good oral health. In addition, you should:

  • Use a fluoride toothpaste
  • Limit your consumption of sugary foods and drinks, and avoid snacking on them throughout the day
  • Get regular dental checkups and cleanings

If you have any concerns about the state of your teeth, don’t put off going to the dentist. The longer you leave it, the worse the problem is likely to get. You’ll feel much better once any issues have been treated!

A Guide to Flossing Properly and the Best Products to Use
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