Key takeaways
Teeth can start moving fast once your retainer is lost or broken, so it’s important to act quickly.
You have a few options for getting a replacement: your original orthodontist, a local dental clinic, or an online mail-order service.
Going through your original orthodontist usually gives the most precise fit, since they already know your bite and dental history.
Online retainer services let you take impressions at home and receive a custom-fit retainer without ever stepping into a clinic.
Make sure you know exactly what type of retainer you need, clear (Essix), Hawley, or a fixed/bonded wire, before ordering.
Never force a warped retainer onto your teeth, and avoid using generic boil-and-bite mouthguards for retention purposes.
If you’re taking impressions at home, follow the instructions carefully; accurate impressions are key to getting a retainer that fits perfectly.
While you wait for your new retainer, wear any old aligners you have, stick to softer foods, and gently massage your gums to keep teeth from shifting.
Acting quickly and following the right steps makes it much easier to protect the results of your orthodontic treatment.
Table of Content
-
Options for retainer replacement
-
Does the NHS replace retainers for free?
-
Picking the right replacement retainer
-
Common mistakes when replacing a retainer
-
How to take accurate impressions for a replacement retainer
-
What to do while waiting for a retainer replacement
-
Final steps to protecting your smile
-
FAQs
Lost your retainer?
Your teeth can start shifting in days. Get a custom-fit Caspersmile Retainer delivered right to your door without booking a dental visit.
Options for retainer replacement
It is quite surprising how quickly teeth can start to move once the pressure of a retainer is removed. You might assume a few days without it will not make much difference, but the ligaments around your teeth naturally try to pull them back toward their previous positions. This is especially true if you only finished your orthodontic treatment recently. You have a few options, differing in their cost and timeline, to replace your retainer. If you don't choose wisely, you might end up having to deal with a retainer that is too tight or loose.
Ordering a replacement retainer for teeth online

If you have broken or lost your retainer, the most convenient and budget-friendly way to get a replacement is through a mail-order service. Companies like Caspersmile have refined the process so that you no longer have to spend hours in waiting rooms for a retainer.
Home impressions
This process of getting a new retainer is designed to be foolproof for use at home. After your order has been placed, they'll send an impression kit to your house containing putty and trays. By following the instructions, you will take your own dental impressions. All you need to do is fill the trays with putty and seat them over your teeth for a few minutes. You then ship those moulds back in the post.
Professional dental technicians there use those impressions to craft a custom retainer that is just as accurate as one from a clinic. It is delivered right to your door. It not only saves you money but also time that you would have spent in a dental chair.
Get a replacement retainer without the clinic visit
Caspersmile offers a streamlined way to get individually made, custom-fit replacement retainers for just .
Ordering a replacement from your original orthodontist
The most straightforward and traditional path to getting a replacement retainer for teeth is by calling the dental clinic where you had your treatment. They will already have your dental history on file, including digital dental scans or physical impressions of your teeth. Because they know exactly how your teeth looked on the day your braces came off, they can often order a replacement without you even having to go in for a new scan or guide you on how to get a new retainer.
Accuracy, cost, and scheduling
With an original provider, the accuracy of the replacement retainers will be spot on. They are already familiar with your specific bite. But keep in mind that this convenience sometimes comes with a premium price tag. In the UK, private dental charges for a single replacement can be quite steep. You also have to consider their schedule. If your dentist is booked up for three weeks, that record on file doesn't help you much while your teeth are actively drifting.
Using a local private clinic for retainer replacement
If you have moved away from your original dentist or they simply can't see you fast enough, looking for and visiting a local private orthodontist is a great alternative. You'll now find digital intraoral scanners at many modern clinics. You can think of them as tiny cameras that create a 3D map of your mouth in minutes. This is different from the old-school trays filled with putty to make impressions.
Quick turnaround
With private clinics, you can expect a very quick turnaround. Some even have in-house labs where they can 3D print your models and vacuum-form a new Essix retainer while you go grab a coffee. If you are in a situation where your teeth feel like they are moving by the hour, paying the extra fee for a local private appointment is well worth it.
While you wait for the appointment, if you happen to have any old clear aligners from the end of your treatment, wearing those can act as a temporary placeholder to keep your teeth from moving even slightly.
Does the NHS replace retainers for free?

If your orthodontic treatment was carried out under the NHS, you might assume replacement retainers are covered too. Unfortunately, that's not usually the case. Once you have been discharged from treatment, any lost or broken retainers are typically charged for.
In some cases, a faulty retainer during the supervised retention period may be replaced, but if it has been misplaced, you will almost certainly need to pay. For many patients, this means turning to private clinics or online providers for a faster solution.
Picking the right replacement retainer
Before you order, you need to know exactly what you are replacing. Most people today use clear (Essix) retainers, which are the clear plastic trays that look like clear aligners. They are popular because they are invisible and cover the entire biting surface of the teeth. If you had a more traditional treatment, you might have a Hawley retainer, which consists of a metal wire attached to a plastic plate that sits against the roof of your mouth.
If you have a permanent wire glued to the back of your teeth and it has snapped or come loose, you cannot fix this at home. You must see a dentist to have the wire rebonded. A broken fixed retainer is actually quite dangerous because it can put unintended pressure on a single tooth. This, in turn, can cause it to move rapidly out of alignment while the others stay still. In many cases, dentists recommend having a clear removable retainer to wear over your fixed wire as a secondary backup.
What if your replacement retainer does not fit?
If your replacement retainer for teeth, made to the same specifications as your previous one, does not fit at all, it is a sign that your teeth have shifted beyond what passive retention can now correct. In that case, minor orthodontic refinement with clear aligners may be the safest way to gently guide them back into position before starting retention. After all, trying to force a tight tray can do more harm than good.
Retainers don't fit anymore?
If your teeth have moved too far for a replacement retainer, Caspersmile Clear Aligners can help move them back.
Common mistakes when replacing a retainer
One of the biggest errors people make is trying to stretch the life of a broken or warped retainer. If you accidentally run your tray under hot water and it warps, forcing it onto your teeth can actually cause them to shift into the wrong position. It is better to leave it off for a day or two while you wait for a replacement than to wear something that is pulling your teeth the wrong way.
Another mistake is assuming that a boil-and-bite mouthguard from a sports shop will work. These are designed to protect against impact, not to keep teeth in place. They are too bulky and do not provide the precise tension needed to prevent orthodontic relapse. Only a custom-moulded device made from a dental impression can do the job effectively.
How to take accurate impressions for a replacement retainer

If you decide that the online route is the best way for you to get a retainer replacement, the success of the new retainer you get depends entirely on the quality of your impression. To create accurate dental impressions at home, don't rush the process. Make sure you have a timer ready, and your teeth are perfectly clean. You want to capture the gum line clearly because that is where the retainer gets its grip.
When you push the tray onto your teeth, do it in one smooth motion. Wiggling the tray or biting down too hard can create drag in the putty, which leads to a loose-fitting retainer. Most kits come with extra putty just in case you mess up the first try. If you aren't sure if your mould is good, most companies allow you to send a photo to their technicians for a quick digital check before you post the physical item back.
What to do while waiting for a retainer replacement
The waiting period when replacing a retainer is the most stressful part of the process. During the wait, try to avoid eating very hard or chewy foods that might put extra pressure on your teeth. Some people find that gently massaging their gums can help relieve the tension. If you still have your very last set of clear aligners, you can wear them. They might be slightly different from a dedicated retainer, but they are generally better than wearing nothing at all.
Final steps to protecting your smile
The road to a perfect smile is a long one, and the retention phase is the longest part. It requires a bit of discipline and knowing how to get retainers when needed, but the reward is a smile that lasts your entire life. If you have lost or broken your retainer, it is quite easy to get a retainer replacement. The difference between those who keep their straight teeth and those who don't is simply how fast they act.
Frequently asked questions
References
Retainers - British Orthodontic Society (BOS). (2023, April 24). British Orthodontic
Society (BOS).
https://bos.org.uk/patients/retainers
Website, N. (2023, April 18). Orthodontic treatments.
nhs.uk.
http://www.nhs.uk/tests-and-treatments/orthodontics/treatments/
Inchingolo, F., Inchingolo, A. M.,
Ceci, S., Carpentiere, V., Garibaldi, M., Riccaldo, L., Di Venere, D., Inchingolo, A.
D., Malcangi, G., Palermo, A., Tartaglia, F. C., & Dipalma, G. (2023). Orthodontic relapse after fixed or
removable
retention devices: A systematic review. Applied Sciences, 13(20), 11442.
https://doi.org/10.3390/app132011442
Subscribe our newsletter
By clicking subscribe, you agree to our Privacy Policy and opt in to receive communications from Caspersmile. You can unsubscribe at any time.