Retainer Care: How to Look After Your Retainer After Braces

Published · 6 min read · by

The day your braces come off is one of the most satisfying moments in an orthodontic patient’s journey. But it is also the day a new responsibility begins: your retainer. Retainers are not a temporary inconvenience — they are a permanent part of maintaining your orthodontic result. Teeth have a natural tendency to drift back towards their original positions, and without a retainer to hold them, the alignment you spent months or years achieving will gradually relapse. The retainer is what keeps your result.

This guide covers everything you need to know about caring for your retainer — how to clean it, how long to wear it, how to store it, what damages it, and what to do if it breaks or no longer fits.

Key takeaway

Retainers are a lifelong commitment for the majority of orthodontic patients. The orthodontic community is increasingly clear that retention should be indefinite — not just for one or two years after treatment. Teeth continue to move throughout life, and stopping retainer wear entirely — even years after treatment — significantly increases the risk of relapse. The most common reason patients need to repeat orthodontic treatment is not wearing their retainer consistently after the first course of treatment. Keep your retainer. Wear it as prescribed. Replace it when it wears out rather than stopping retention entirely.

Types of Retainer

Most orthodontic patients are prescribed one or both of the following retainer types after treatment:

Removable clear (Essix) retainer: a thin, transparent plastic tray that fits over the teeth — similar in appearance to a clear aligner. The most commonly prescribed retainer type for the upper arch. Easy to wear and almost invisible, but can crack or warp if stored or cleaned incorrectly
Removable Hawley retainer: a wire-and-acrylic retainer with a metal wire across the front teeth. More durable than clear retainers and can be adjusted by the orthodontist if minor corrections are needed. More visible but very robust
Fixed (bonded) retainer: a thin wire bonded to the inside (tongue-side) surfaces of the front teeth, typically the lower four to six front teeth. Provides continuous retention with no compliance requirement — you cannot forget to wear it. Requires a floss threader or water flosser to clean between the teeth it covers

Many patients have a fixed retainer on the lower teeth and a removable retainer for the upper teeth. Your orthodontist will prescribe the combination most suitable for your case.

How to Clean a Removable Retainer

Rinse it every time you remove it: rinse the retainer under lukewarm (never hot) water as soon as you take it out. This removes saliva and prevents plaque from hardening on the surface
Clean it every day: use a soft toothbrush and a small amount of non-abrasive soap or a retainer cleaning tablet. Do not use standard toothpaste — it is mildly abrasive and can scratch the plastic surface, creating tiny grooves where bacteria accumulate
Retainer cleaning tablets or solutions: soak your retainer in a retainer cleaning solution or a denture tablet dissolved in cool water for 15 to 30 minutes once or twice a week. This removes built-up plaque and bacteria more thoroughly than brushing alone
Never use hot water: hot water warps clear plastic retainers — sometimes significantly enough that they no longer fit properly
Never use bleach or alcohol-based mouthwash: these damage the plastic and are not safe for a device worn in the mouth

Every day

How often a removable retainer should be cleaned — with a soft brush and mild soap

Never hot

Hot water warps clear plastic retainers — always use lukewarm or cold water

Its case

Where the retainer should always live when it is not in your mouth — not a tissue, not a pocket

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How to Store Your Retainer

Always use the case: when your retainer is not in your mouth, it should be in its case. Full stop. Retainers wrapped in tissues get thrown away. Retainers left on plates get cleared away. Retainers left on surfaces get knocked off and cracked or chewed by pets
Keep it away from heat: do not leave the retainer case in direct sunlight, on a warm radiator, or in a car on a warm day. The temperature inside a car on a sunny UK summer day is enough to warp a clear plastic retainer
Travel with a spare: if you are travelling, consider asking your orthodontist for a spare retainer. The most common time retainers are lost is during travel — left in hotel rooms, dropped at airports, forgotten at restaurants

How Long to Wear Your Retainer

First 3–6 months after braces: full-time wear — 22 hours per day, removing only to eat, drink (anything other than water), and clean your teeth. The teeth are most mobile immediately after brace removal as the bone consolidates around their new positions
After the initial period: nights only — every night, indefinitely. Most orthodontists now recommend lifelong nightly wear for removable retainers
If you stop and notice movement: contact your orthodontist immediately. If the retainer still fits (even if it feels tight), wearing it again will usually allow the teeth to settle back. If there has been significant movement and the retainer no longer fits, you may need a new retainer made from a new impression, or in some cases a short course of orthodontic retreatment

How to Clean a Fixed Retainer

Fixed (bonded) retainers require special care during your daily oral hygiene routine:

Use a floss threader to pass floss under the wire and between each pair of adjacent teeth — this is essential to prevent plaque and tartar build-up on the wire and between the bonded teeth
A water flosser (Waterpik) is a useful supplement for cleaning under and around a fixed retainer wire, though it does not fully replace physical flossing
Your dental hygienist can professionally clean around the bonded wire at your regular check-up appointments — tell them about the fixed retainer so they can include it in the clean
If a section of the fixed retainer wire comes unbonded from one tooth, contact your orthodontist — an unbonded section means that tooth is no longer being held in position

Important

Clear (Essix) retainers wear out over time and typically need replacing every one to three years, depending on how well they are cared for and how much you grind your teeth. When a retainer develops cracks, distortion, or no longer fits as it should, it is not doing its job effectively. Contact your orthodontist to have a new retainer made from a fresh impression — do not wait until the teeth have moved significantly before addressing a retainer that is no longer working. Replacement retainers are typically less expensive than retreatment.

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References

BOS patient guidance on orthodontic retainers, covering the types of retainer used after fixed and removable brace treatment, how long retainers should be worn, the current evidence on indefinite retention, how to clean and care for different retainer types, and what to do if a retainer breaks, warps, or no longer fits.

British Orthodontic Society — Retainers: patient information

Oral Health Foundation guidance on retainer care and wear compliance, including cleaning instructions for removable and fixed retainers, the importance of regular wear, guidance on storage to prevent damage and loss, and the consequences of stopping retainer wear after orthodontic treatment.

Oral Health Foundation — Looking after your retainer

Systematic review of the evidence on long-term orthodontic stability and the role of retention in maintaining treatment results, covering the rates of relapse after fixed brace treatment with and without retainer use, the types of tooth movement most and least stable without retention, and the evidence base for current long-term retention recommendations.

European Journal of Orthodontics — Long-term stability and retention after orthodontic treatment: a systematic review

BOS patient guidance on orthodontic retainers, covering the types of retainer used after fixed and removable brace treatment, how long retainers should be worn, the current evidence on indefinite retention, how to clean and care for different retainer types, and what to do if a retainer breaks, warps, or no longer fits.

British Orthodontic Society — Retainers: patient information

Oral Health Foundation guidance on retainer care and wear compliance, including cleaning instructions for removable and fixed retainers, the importance of regular wear, guidance on storage to prevent damage and loss, and the consequences of stopping retainer wear after orthodontic treatment.

Oral Health Foundation — Looking after your retainer

Systematic review of the evidence on long-term orthodontic stability and the role of retention in maintaining treatment results, covering the rates of relapse after fixed brace treatment with and without retainer use, the types of tooth movement most and least stable without retention, and the evidence base for current long-term retention recommendations.

European Journal of Orthodontics — Long-term stability and retention after orthodontic treatment: a systematic review

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