Flossing With Braces UK

Why interdental cleaning is harder but essential with braces

Fixed braces cover much of the visible tooth surface and the archwire runs across all teeth, making the normal flossing motion impossible. Yet the spaces between teeth remain the highest-risk sites for plaque accumulation, acid damage, and early decay during orthodontic treatment. Failing to clean between teeth throughout treatment significantly increases the chance of developing cavities, white spot lesions, and gum inflammation that may require treatment after braces are removed. The good news is that several effective alternatives to standard flossing exist and, once a routine is established, interdental cleaning with braces takes only a few minutes per day.

Floss threaders

A floss threader is a simple plastic loop — similar to a needle eye — that allows a length of standard floss to be passed under the archwire and between teeth. Cut a piece of waxed floss about 45 cm long, thread one end through the loop, then pass the threader loop under the archwire between two brackets. Once the floss is through, use the standard C-shape flossing technique: curve the floss around one tooth and slide it gently up and down below the gumline, then repeat on the adjacent tooth. Remove the floss, re-thread, and move to the next gap. Floss threaders are inexpensive and available at pharmacies across the UK. The main disadvantage is time — threading 12 to 14 gaps individually can take 10 to 15 minutes for beginners, though this reduces significantly with practice.

Oral-B Superfloss

Oral-B Superfloss is a pre-cut length of floss with three distinct sections: a stiff reinforced end (acting as a built-in threader), a spongy middle section, and standard floss. The stiff end is passed under the archwire without a separate threader, which saves time. The spongy section cleans along the archwire and around brackets, while the standard floss section cleans between the teeth below the gumline. Superfloss is widely available in UK supermarkets and pharmacies. It is particularly popular with orthodontic patients because it combines bracket cleaning and interdental cleaning in a single product. It works best for patients with average-to-wide gaps between teeth; very tight contacts may require standard floss for full effectiveness.

Interdental brushes — sizes and technique

Interdental brushes (also known as TePe brushes or interspace brushes) are small, bottle-brush-shaped tools that clean between teeth and around brackets without needing to pass under the wire. They are particularly effective for cleaning the triangular spaces at the gumline and for removing debris from around bracket bases. TePe, the leading brand in the UK, produces brushes in colour-coded sizes ranging from 0.4 mm (pink, extra small) to 1.5 mm and beyond. For patients in fixed braces, sizes 0.4 mm to 0.8 mm are most commonly used between teeth, while slightly larger sizes may clean effectively around brackets. Your orthodontic nurse can advise on the correct size for your tooth gaps. Insert the brush gently and move it back and forth a few times without applying excessive force; bending the wire at the neck of the brush helps reach back teeth. Rinse the brush between uses and replace when the wire is bent or bristles are worn, typically every few days with regular use.

Water flossers

Water flossers (oral irrigators) use a pulsed stream of water to dislodge food and plaque from between teeth and around brackets. The Waterpik brand offers an orthodontic-specific tip (the OD-100E Orthodontic Tip) designed with a tapered end and brush bristles to clean around brackets while irrigating. Water flossers do not replace mechanical flossing — they are less effective at removing interdental plaque than floss or interdental brushes — but they are excellent at flushing food debris from around brackets and reducing gum inflammation. They are also significantly faster than threading floss and easier for patients who find manual dexterity challenging. A water flosser used after brushing and before or after interdental brushing provides a meaningful improvement in overall cleanliness. Start at a low pressure setting, as gums can be sensitive, and gradually increase as comfort allows.

Building a daily routine

The most effective routine combines two or more tools. A practical approach for patients in fixed braces is: brush thoroughly with fluoride toothpaste morning and evening (two minutes minimum, spit do not rinse); use interdental brushes every evening to clean between all teeth and around brackets; and add a water flosser after evening brushing for a thorough rinse of the bracket and archwire surfaces. Superfloss or floss threaders can be substituted for interdental brushes on evenings when more time is available, or used alternately. A fluoride mouthwash used at a separate time from brushing — for example at midday — completes the daily regime. Consistency matters more than perfection; even a slightly rushed nightly interdental clean is vastly better than no interdental cleaning at all.

Common mistakes to avoid

Several common errors reduce the effectiveness of interdental cleaning with braces. Using force to push an interdental brush through a space that is too small damages gum tissue and may dislodge brackets — always select the correct size. Rushing the process and skipping back teeth, where most food traps occur, is a frequent source of decay. Using standard floss without a threader is impossible with an archwire in place and should not be attempted. Neglecting to clean the gumline — focusing only on the bracket surface — misses the most decay-prone areas. Skipping interdental cleaning entirely because it feels difficult is the most significant mistake; even an imperfect technique repeated daily produces far better outcomes than a thorough clean once a week.

Useful related pages

This guide is for general information only. It is not a diagnosis, treatment plan, or substitute for advice from a registered dentist or orthodontist.