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Should I wear my old retainer if it hurts?

Author

Matthew Barrera

Updated on May 31, 2026

Old retainers may still be usable

If the retainer is tight, we recommend wearing it anyway, even if it makes your teeth a little sore at first. After a few successive nights of wear, patients will find that their retainer fits much better and isn't as uncomfortable.

Can wearing an old retainer hurt your teeth?

Call your orthodontist to see if it's safe to wear it. A few months or years: Don't even attempt to wear an old retainer if it's been several months or years! It's very unlikely to fit, and it could become stuck, cause pain, and even potentially damage your teeth and tissues.

Should I keep wearing my retainer if it hurts?

As long as your retainer doesn't hurt and still fits over your teeth, you can wear it even if it feels tight. This probably means that your teeth have shifted. In this case, you should wear your retainer longer each day to prevent your teeth from moving further.

Does wearing an old retainer help?

In most cases, wearing an old retainer can realign your smile so long as your teeth have not shifted into an entirely new position. As a rule of thumb, wearing an old retainer should not be an issue so long as it still fits without needing to apply any force while inserting it over your teeth.

Will wearing old retainer move teeth back?

Theoretically using an existing retainer may be able to move the teeth back into alignment. However, it has to fit accurately (perfectly), forcing it to fit may cause damage to your teeth or restorations on your teeth, not to mention the possibility of getting it stuck or causing pain to your teeth.

wearing my retainers for the first time in 2 years

Can I force my old retainers to fit?

Never try to force your old retainer in your mouth. This can not only damage your retainer, but damage your smile too. If you have to exert any force to fit your retainer, see your orthodontist first and do not put it in your mouth.

Should I force my retainer to fit?

If you have to force your retainer to fit, you shouldn't wear it: forcing a retainer that doesn't fit could damage your teeth or the retainer. Try gently putting the retainer back in your mouth: if you have to force it, then it no longer fits and you should not try to put it in your mouth.

Can wearing an old retainer straighten teeth?

Does wearing an old retainer to straighten teeth work? As it turns out, yes, it can. Retainers don't just keep your teeth in place, after all. Because they are custom made, they can also help improve any minor oral issues you might find years after having your braces removed.

Can I wear my retainer after 2 years?

If your teeth seem like they're trying to shift or move back during the day then you should consider wearing your retainers during the day as well. Once you've made it past the two year mark, you can consider yourself out of the danger zone for immediate relapse.

Can I wear my retainer after not wearing it for months?

Not wearing a retainer for a month can result in your teeth beginning to shift back to their natural position. In as little as a week, depending on how recent you've had orthodontic work, your teeth will start to shift.

What helps a sore tooth from a retainer?

Ice-cream, frozen yoghurt, smoothies and chilled soups are your best friends when it comes to fighting temporary retainer pain. Saltwater gargle. A simple saltwater gargle is a natural antiseptic, helping heal any tiny cuts or scratches inside your mouth and providing effective temporary pain relief. Cold pack.

What do you do if you haven't worn your retainer for a long time?

If you haven't worn your retainer for a long time, the best thing you can do is start using it as soon as possible! This will prevent your teeth from relapsing further. Ideally, your retainer should still fit even though your teeth have likely moved.

What do you do if your retainer hurts your teeth?

If you are experiencing discomfort due to your retainer or aligner always contact your dentist first. If the pain is minor, over the counter pain relivers such as acetaminophen or ibuprofen may help. Always consult your dentist before taking any medication.

Can I wear my retainer after 10 years?

You've probably heard of traditional and plastic retainers before. But permanent retainers might seem a little unusual to you. Retainers keep your smile in place when active treatment is complete and adults need to wear their retainers for life, but adolescents may be able to stop wearing them after about 10 years.

How long does it take for teeth to shift without retainer?

The first three months are critical, and the teeth are most likely to shift during this stage. During this time, a week without your retainer may cause some minor shifting. Your retainer may feel a bit tighter on your teeth when you place it back in again.

How often should you get a new retainer?

A retainer is in the mouth for 6-8 hours nightly. Therefore, we recommend you replace your retainer as often as your toothbrush. Retainer Club offers plans to replace your retainers every 4,6, or 12 months. For the best performance and cleanliness, you should replace your retainers as often as your toothbrush.

Can I boil my retainer to make it fit?

Washing or boiling the retainer in a hot water can cause the plastic to loose its original shape. Your local Concord orthodontist recommends that these retainers only be washed or rinsed in lukewarm water. Once your retainer has lost its original shape, it should be adjusted or replaced.

Why does my retainer hurt every night?

When a patient returns to our office with a retainer that hurts when they wear it, there are only two possible explanations. Either the retainer has changed, or the teeth have moved. Generally, it is simple to determine which has occurred. In some cases, retainers are damaged, distorted, or “wear out” with daily use.

Does hot water ruin retainers?

Never soak your retainer in HOT/boiling water or run it through the dishwasher ; it can melt it and distort it. Never soak your retainer in mouthwash, rubbing alcohol, or bleach; the chemicals will distort it.

Can retainers melt in your mouth?

Your retainer can melt, so don't microwave it, put it in the dishwasher, washer, or dryer, leave it in a hot car, or leave it in direct sunlight. If you are a fire-breather, your retainer should be removed before performing. If your retainer melts partially or softens, it may lose shape.

Can I still wear my cracked retainer?

To put pressure on your teeth, the integrity of a retainer should be without faults. If the retainer is severely cracked or split in half, it won't function properly. Hence, wearing a broken retainer won't bring you any benefits. The best course of action would be to wait until your new retainer is made.

Do the orthodontists keep retainer mold?

Do Orthodontist Keep Retainer Molds? In the case of removable retainers, patients can call their orthodontist and ask that a new one be made, as all good orthodontist will keep patients molds over the period of treatment, something that can not always be said for online providers.

How long do clear plastic retainers last?

Essix retainers (removable clear retainers, similar to Invisalign®) typically last about 3 years before they need to be replaced.

Can you wear your retainer after not wearing it?

Will My Teeth Shift If I Don't Wear My Retainer for a Week? If you try and put in your retainer after not wearing it for a week, you may notice it might feel a little tight. After a few hours of wear, it will feel less tight as your teeth will begin to move into position.