Can You Switch from Braces to Clear Aligners Midway? Costs and Process

Orthodontic treatment takes time, and circumstances change during it. A job changes, a wedding appears on the horizon, or the reality of fixed braces turns out to be more wearing than anticipated.

Switching to clear aligners partway through is a request clinicians hear regularly. It is technically possible in many cases.

Whether it is a good idea is a separate question, and it depends almost entirely on what tooth movements are still outstanding.

Is it possible to change to aligners partway through?

Yes, in many cases, though it requires new records, a fresh treatment plan, and fabrication of a new appliance system. The important consideration is whether the remaining movements suit aligners. Fixed braces and aligners are not interchangeable tools — each handles certain movements more predictably. If what remains is largely alignment and minor finishing, the switch is often straightforward. If substantial root movement, significant rotations of round-rooted teeth, extraction space closure, or vertical bite correction remains, aligners may achieve it less predictably and the treatment could take longer or fall short. It should be a clinical decision informed by what is left to do, not simply a preference.

Appearance. The most common reason. Fixed appliances are visible, and for some people this becomes more of an issue than anticipated, particularly in professional or public-facing roles.

Comfort and lifestyle. Brackets and wires can irritate the lips and cheeks, and food restrictions are real. Aligners are removed for eating, which many find considerably easier.

Oral hygiene. Cleaning around brackets and wires is genuinely more difficult, and some people develop gum inflammation or white spot lesions during fixed appliance treatment. See gingivitis and white spot lesions.

Changed circumstances. A wedding, a new job, relocation, or a change in availability for regular adjustment appointments.

Sporting or musical activities. Wind instruments in particular can be difficult with fixed appliances.

Emergencies and breakages. Repeated bracket failures or wire problems can be wearing over time.

These are all legitimate reasons to ask. Whether they outweigh the clinical considerations is the discussion to have.

What movements remain. Aligners handle tipping, alignment, and modest expansion well. They are less predictable for bodily root movement, extrusion of teeth, significant rotation of canines and premolars, and closure of large extraction spaces.

Stage of treatment. Switching close to the end, for finishing and detailing, is generally more straightforward than switching early with the bulk of the work outstanding.

Bite correction requirements. Where anteroposterior correction is needed, elastics can be used with either system, but the mechanics differ and some corrections are more predictable with fixed appliances. See overbite and overjet.

Attachment requirements. Aligners rely on composite attachments bonded to teeth to grip and deliver certain forces. These are visible, though less so than brackets, and their placement is central to whether the plan works.

Compliance. Aligners must be worn for the great majority of each day. Someone who found fixed appliances burdensome may or may not find the discipline of aligner wear easier. Fixed appliances work regardless of motivation; aligners do not.

Overall dental health. Untreated decay or active gum disease should be stabilised before any orthodontic treatment continues.

See ProAligner treatment.

1. Assessment and discussion of what movements remain and whether aligners can deliver them

2. New records — photographs, radiographs, and a digital scan or impressions

3. Treatment planning, including a digital simulation of the proposed movements

4. Removal of the fixed appliance and cleaning of residual adhesive from the teeth

5. A short interim period, sometimes with a temporary retainer, while aligners are fabricated

6. Fitting, including bonding of composite attachments and any interproximal reduction

7. Regular review through the aligner sequence, with refinements as needed

8. Retention at completion — see fixed retainer

The interim period matters. Teeth begin moving as soon as the appliance is removed, so a retainer is normally provided to hold positions while aligners are made. Without it, the aligners may not fit properly on arrival.

Switching mid-treatment generally means additional cost, because a new appliance system has to be planned and fabricated. How this is handled varies between practices, and some of the fee already paid may or may not be transferable.

Ask specifically about:

• Whether any part of the original fee applies to the new plan

• What the total remaining cost will be

• Whether refinement aligners are included

• What happens if the plan does not achieve the intended result

• Whether returning to fixed appliances would incur further cost

• What retainers are included at the end

You should receive a written treatment plan and cost estimate before agreeing to proceed. This is a reasonable expectation in any circumstance and particularly where a plan is being changed midway.

• Where substantial root movement remains, which fixed appliances deliver more predictably

• Where extraction spaces are still open and need closing bodily

• Where significant vertical correction is required, such as closing an open bite — see open bite

• Where treatment is close to completion anyway, and the remaining months are shorter than the switching process

• Where compliance is uncertain, since aligners rely on it entirely

• Where complex rotations of canines or premolars remain

There is no failure in being advised to finish what has been started. In many cases the remaining period is shorter than the time and cost involved in changing systems.

Arrange a discussion if:

• You are struggling with fixed appliances and want to know your options

• Repeated breakages are disrupting treatment

• You have developed gum inflammation or white marks around brackets

• Your circumstances have changed significantly

• You are unhappy with progress and want it reviewed

• You have discomfort that is not settling — see toothache

Raise it with your treating clinician first. They know the plan, what has been achieved, and what remains, which is information any second opinion would need anyway.

The NHS provides general information about orthodontics at nhs.uk/conditions/orthodontics/.

• Switching is often possible but depends on remaining movements

• Aligners handle alignment well and root movement less predictably

• Switching late in treatment is more straightforward than switching early

• New records, planning, and fabrication are all required

• A retainer is needed during the interim while aligners are made

• Aligners depend entirely on consistent wear

• Additional cost is usual, and should be set out in writing

Switching from fixed braces to aligners partway through is a reasonable thing to ask about, and in many cases it is achievable. The determining factor is not preference but what movements remain outstanding.

Where the remaining work is alignment and finishing, aligners can complete it well. Where substantial root movement or space closure is still needed, finishing in braces is usually the shorter and more predictable route. A frank conversation with your treating clinician about exactly what is left to do is the most useful starting point.

If you would like to discuss your options, you are welcome to arrange an appointment at Wimpole Dental, 22 Wimpole St, London W1G 8GQ, or call 020 7183 0692.

Dental symptoms and treatment options should always be assessed individually during a clinical examination.

This article is for general educational information only and is not professional dental advice, diagnosis, or a treatment recommendation. Information here is general and cannot replace an in-person assessment by a qualified, GDC-registered dental professional. Symptoms, suitability, fees, timelines, and outcomes vary according to individual clinical circumstances. If you have pain, swelling, or other concerning symptoms, seek prompt professional dental care. Always request a written treatment plan and cost estimate before proceeding with treatment.

Written Date: 14 August 2026

Next Review Date: 14 August 2027