Why teeth move after braces, how long retainers are worn (for life, nightly), what to do when one is lost or broken, what replacements cost, and how the Never Stop Smiling…Ever program covers replacements for ten years.
Medically reviewed by Dr. Andy Higham, DDS, MS, orthodontist — East Idaho Orthodontics. Last reviewed October 2026.
How Long Do You Have to Wear a Retainer?
Indefinitely — every night. At East Idaho Orthodontics, retainers are worn every night from the day braces or aligners come off; there is no full-time phase. Nightly wear for life is the standard recommendation, because teeth keep shifting throughout adult life whether or not a person ever had orthodontic treatment. A bonded wire retainer behind the lower front teeth stays in place permanently. East Idaho Orthodontics includes a first set of retainers with every treatment and covers replacements for ten years through the Never Stop Smiling…Ever program.
Key takeaways
- Every night from the day treatment ends — indefinitely.
- Teeth shift throughout adult life whether or not you had braces.
- First retainers are included here; replacements are covered for ten years under the program.
The typical retention schedule
| PERIOD | WEAR |
|---|---|
| From the day treatment ends | Every night, all night |
| The first year | Every night — this is when teeth are most likely to shift |
| Year 2 onward | Every night, indefinitely. Some patients drop to 3–4 nights a week after several years if the retainer still fits easily — ask first. |
| Bonded lower retainer | Permanent, checked at dental visits |
Why "for life"
Teeth sit in a ligament that keeps a memory of their old position for years, and the lower jaw narrows slightly with age in everyone. Without a retainer, some shifting is close to certain — often slowly enough that it is not noticed until a photo, and by then the retainer no longer fits. Nightly wear is a small habit that prevents a second course of treatment.
What happens when people stop
Lower front teeth crowd first, then a closed gap reopens or a rotated tooth turns back. Relapse is treatable — usually a limited aligner case of 6–12 months at $2,500–$4,000 — but it is entirely avoidable.
Frequently asked questions
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After a few years, if it still slides on easily, sometimes. If it feels tight, teeth have moved — go back to nightly.
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Usually yes — the wire holds the lower front teeth only. A removable retainer covers the whole arch.
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A tight or sore feeling the next night means teeth moved. That is the retainer working.
Lost Your Retainer? Here’s What to Do
Call your orthodontist within a day or two. Teeth can begin shifting within days of stopping retainer wear, and the sooner a replacement is made, the more likely your existing scan can still be used without a new impression. If you have an older retainer that still fits, wear it in the meantime. Patients of East Idaho Orthodontics in Idaho Falls get a priority appointment and, under the Never Stop Smiling…Ever program, a replacement clear retainer for a $30 copay.
Key takeaways
- Call within a day or two — teeth can start shifting within days.
- Wear any older retainer that still fits in the meantime.
- A replacement clear retainer is $30 under the program, or $250 without it.
The first 48 hours
Check the usual places: napkins, lunch bags, gym bags, the car, the dog.
Wear any previous retainer that fits, even if it is old.
Call — (208) 524-0644 or (208) 932-0433 — and say it is a lost retainer. Retainer issues get priority scheduling.
Do not order a mail-order retainer from a photograph. Without a current scan it will not fit correctly and can move teeth the wrong way.
How long can you go without a retainer?
A few days rarely matters. A few weeks usually produces measurable movement, especially in the first year after treatment. Beyond a month, a new retainer may not fit and a short course of aligners may be needed to recapture the position.
What a replacement costs
Under the ten-year program: $30 per clear retainer, no yearly maximum. Without the program: $250 per arch at East Idaho Orthodontics. The program itself is $600 and pays for itself by the third replacement.
Frequently asked questions
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Often, if your teeth have not moved since your last scan. We check the fit against the scan on file.
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Usually within a few business days — ask when you call. If your last scan is still usable, we can often skip the appointment altogether.
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Yes. A new scan is needed; the cost is $250 per arch.
Broken or Cracked Retainer? What to Do
A cracked clear retainer can usually be worn until it is replaced, as long as it still fits fully and is not cutting your gum; a badly distorted one should not be, because it can move teeth the wrong way. A bonded wire retainer that has come loose on one tooth should be seen within a week — the loose end can move that tooth and can poke. East Idaho Orthodontics patients in Idaho Falls get priority appointments for retainer problems; under the Never Stop Smiling…Ever program a clear retainer replacement is $30, a bonded retainer repair $50, and a complete bonded retainer replacement $100.
Key takeaways
- A slightly cracked clear retainer that still fits can be worn until replaced; a warped one should not.
- A loose bonded wire should be seen within a week.
- Repairs and replacements are $30–$100 under the ten-year program.
Clear retainer: cracked, warped or split
Small crack, still fits: keep wearing it and call for a replacement.
Warped (left in a hot car, run through the dishwasher): stop wearing it. A warped retainer applies uneven pressure.
Split in two: stop wearing it; call the same day.
Bonded (permanent) retainer: loose or broken
Loose on one tooth: call within a week. Wear your clear retainer nightly meanwhile.
Wire poking: cover it with orthodontic wax and call.
Wire completely off: keep it if you can, wear your clear retainer, and call — a re-bond is $50 and a complete new wire $100 under the program.
Why retainers break
Clear retainers wear thin over 1–3 years of nightly use, and crack at the thinnest points; grinding accelerates it. Bonded wires come loose from hard foods, from the bond wearing over years, or from a dental cleaning. Neither is a sign anything was done wrong; both are why a replacement program exists.
Frequently asked questions
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No. Household adhesives are not safe in the mouth and a repaired retainer will not fit precisely.
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Often 10–20 years, with occasional re-bonding.
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Not if your teeth have not moved. We check your scan on file.
How Much Does a Replacement Retainer Cost?
A replacement clear retainer in Idaho Falls costs $250 per arch at East Idaho Orthodontics; a Hawley (wire-and-acrylic) retainer $300; and re-bonding a loose permanent retainer $100–$200. Patients enrolled in East Idaho Orthodontics’ Never Stop Smiling…Ever program pay $30 for a clear retainer, $50 for a bonded repair or $100 for a complete bonded replacement, for ten years, with no yearly maximum. Mail-order retainers cost less but are made from a home impression with no check of fit or tooth position.
Key takeaways
- A replacement clear retainer costs $250 per arch here; a Hawley $300; a bonded re-attach $100–$200.
- Under the ten-year program: $30 clear, $50 bonded repair, $100 full bonded replacement.
- Ten years of replacements costs about $750 with the program versus $1,250 or more without it.
Replacement retainer prices
| RETAINER TYPE | FULL PRICE HERE | UNDER PROGRAM | TYPICAL LIFESPAN |
|---|---|---|---|
| Clear (Essix-type), per arch | $250 | $30 | 1–3 years |
| Hawley (wire and acrylic) | $300 | $30 | 5–10 years |
| Bonded wire re-attach | $100–$200 | $50 | — |
| Bonded wire, complete replacement | $250 | $100 | 10–20 years |
| Program enrolment, 10 years | $600 (introductory rate) | — | — |
Prices last reviewed October 2026.
What the program saves over ten years
Forty percent of patients replace a retainer in the first year alone. A patient who replaces three clear retainers in ten years at full price ($750) has already spent more than the program costs ($600); one who replaces one a year — not unusual for teenagers — saves roughly $1,600.
Why mail-order retainers are cheaper
Online retainer companies charge $100–$200 because you take your own impression and nobody checks whether your teeth are still where they were when treatment ended. If they have moved, a retainer made to the new position locks in the relapse. A retainer from your orthodontist is made against your last scan and checked at pickup.
Frequently asked questions
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Rarely. Some plans cover the first set as part of orthodontic treatment; replacements are almost always out of pocket, which is what the program is for.
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Yes.
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Each has trade-offs: Hawley’s last longer and are adjustable; clear retainers are invisible and hold the front teeth more precisely. We recommend based on the case.
Why Do Teeth Move After Braces?
Teeth move after braces for three reasons: the ligament around each tooth keeps a memory of its old position for years and pulls it back; the jaws keep changing shape slowly throughout adult life, narrowing the lower front; and habits such as grinding and tongue pressure push on the teeth every day. None of this means treatment failed. It means retention has to be permanent — which is why East Idaho Orthodontics includes retainers with every case and covers replacements for ten years.
Key takeaways
- Three causes: ligament memory, lifelong jaw change, and daily forces like grinding.
- Slight settling is normal; visible crowding or a reopening gap is relapse.
- If the retainer still seats with pressure, wear it full time for a week; if not, call.
The three causes
Ligament memory. The periodontal ligament fibers are stretched and reorganized during treatment and take years to fully adapt. Rotated teeth are the most likely to turn back.
Growth and aging. The lower jaw continues to change into the twenties and slowly thereafter, the lower incisors crowd with age in treated and untreated people alike.
Daily forces. Tongue thrust, lip pressure, clenching and grinding all nudge teeth over thousands of repetitions.
How much movement is normal?
A slight settling of the bite in the first months after braces is expected and desirable — the teeth find their best fit. Visible crowding, a reopening gap or a rotating tooth is relapse, and it is a sign the retainer is not being worn or no longer fits.
What to do if your teeth have shifted
If the retainer still goes on with pressure, wear it full time for a week and it will often recapture the position. If it will not seat, do not force it; call. Minor relapse is usually a limited Spark aligner case of 6–12 months at $2,500–$4,000.
Frequently asked questions
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Very little. Nightly wear holds the position; the bite settles slightly but the alignment stays.
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Yes — the biology is the same regardless of the appliance.
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Yes, at any age. That is why retention is lifelong.
Permanent vs. Removable Retainers: Which Is Better?
They do different jobs, and many patients finish treatment with both. A permanent (bonded) retainer is a thin wire glued behind the lower front teeth; it holds the area most prone to relapse without relying on memory, and lasts 10–20 years. A removable retainer — clear or Hawley — covers the whole arch and is easier to clean, but only works when worn. East Idaho Orthodontics places a bonded lower retainer and clear upper and lower retainers at the end of most cases.
Key takeaways
- A bonded wire protects the lower front teeth without relying on memory; a clear retainer covers the whole arch.
- Most patients finish with both.
- Bonded wires last 10–20 years; clear retainers 1–3.
Side by side
| BONDED (PERMANENT) | CLEAR REMOVABLE | HAWLEY REMOVABLE | |
|---|---|---|---|
| Where | Behind lower (sometimes upper) front teeth | Whole arch | Whole arch |
| Relies on wearing it | No | Yes | Yes |
| Visibility | Invisible | Nearly invisible | Wire visible across front teeth |
| Cleaning | Floss threaders needed | Remove and brush | Remove and brush |
| Lifespan | 10–20 years | 1–3 years | 5–10 years |
| Adjustable | No | No | Yes |
| Typical failure | Wire comes loose | Cracks, gets lost | Wire bends, acrylic cracks |
| Cost to replace here | $100–$200 re-bond; $100 full replacement in program | $250; $30 in program | $300; not covered by the program |
Why we usually place both
The bonded wire protects the lower incisors — the teeth that crowd first and most — every hour of every day. The clear retainer holds everything else, including the upper arch, closed gaps and corrected rotations, and gives a backup if the wire ever fails.
Living with a bonded retainer
Floss with a threader or a water flosser. Avoid biting directly into very hard foods with the front teeth. Have it checked at dental cleanings. If it comes loose on one tooth, wear your clear retainer and call within a week.
Frequently asked questions
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Yes, at any time, in a few minutes. Most people keep it indefinitely.
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Not by themselves. Poor cleaning around them does; a floss threader or water flosser prevents it.
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Usually a clear removable retainer. Bonded upper retainers can interfere with the bite.
How Often Should You Replace a Retainer?
Clear retainers typically need replacing every 1–3 years — sooner for grinders. Hawley retainers last 5–10 years. Bonded wire retainers last 10–20 years with occasional re-bonding. Replace a retainer when it cracks, no longer seats fully, feels loose, is visibly cloudy or worn thin, or after any period without wearing it. Under the Never Stop Smiling…Ever program at East Idaho Orthodontics, replacements are $30–$100 for ten years with no yearly maximum, so there is no reason to keep wearing a worn-out one.
Key takeaways
- Clear retainers: every 1–3 years. Hawley: 5–10. Bonded: 10–20.
- Replace at the first crack, loose fit or cloudiness — not when it fails.
- The program makes replacing a worn retainer a $30 decision.
Signs a retainer needs replacing
A crack or split, however small
It no longer clicks fully into place, or feels loose
Cloudy, yellowed or rough plastic that no longer cleans
Visible thinning or a hole from grinding
A bonded wire that is loose on any tooth, or that has been off for more than a week
Making retainers last longer
Rinse with cool water and brush gently with a soft brush — no toothpaste, which scratches
Never hot water, the dishwasher, or a hot car
Store in the case, not a napkin or a pocket
Keep it away from pets
Grinders: ask about a thicker retainer material
How the program changes the maths
At $250 per clear retainer, replacing one every two years for a decade costs $1,250. At $30 each under the program, the same decade costs $150 plus the $600 enrolment — $750. It also removes the temptation to keep wearing a cracked retainer to save money — which is how relapse starts.
Frequently asked questions
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A good idea, especially for students and travelers. Under the program a spare is $30.
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If they are intact and clean, no. Fit is the test.
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Soak in a retainer cleaning tablet or diluted white vinegar; brush gently. If it stays cloudy, replace it.
Ready to talk it through?
Consultations at East Idaho Orthodontics are free, take about an hour, and end with a written plan and an exact price. Request a free consultation.
Related: Retainers & the Never Stop Smiling…Ever program · Orthodontic Resource Center