Do braces change your face shape? They can, but the change is usually limited to your lips, smile and side profile. Braces move teeth and correct the bite. They don't reshape an adult's cheekbones or main jaw bones. Large skeletal changes in adults usually require jaw surgery, not braces alone.
What braces can actually change
The British Orthodontic Society's 2024 adult guide describes braces as straightening teeth and correcting how the bite closes. When front teeth move, the lips may follow because they rest over those teeth. Bite correction can also change how the lips meet and how much tooth shows.
These are changes in facial appearance, not a new underlying face. Your broad outline may still read as round, oval, square or oblong. Our guide to face shape versus facial proportions explains why a profile shift may leave your face-shape label unchanged.
How large are the measured profile changes?
Konstantonis and colleagues pooled controlled studies in a 2018 European Journal of Oral Sciences review. Compared with non-extraction treatment, extraction treatment produced 1.26 mm more upper-lip retraction and 1.96 mm more lower-lip retraction. It also increased the nasolabial angle by 4.21°. This is the angle between the base of your nose and upper lip.
Those three estimates covered 1,149, 1,456 and 1,089 patients, respectively. Yet the authors rated all the evidence very low. Bias, baseline differences, inconsistent results and imprecise estimates made individual prediction unsafe.
Elias and colleagues reviewed 30 studies in The Angle Orthodontist in 2024. Twenty-nine were retrospective, and only one was randomized. The review again found lip retraction after four-premolar extraction. It found no clear difference in post-treatment smile aesthetics between extraction and non-extraction groups.
Extraction doesn't automatically flatten a face. It creates room inside the dental arch. The visible result depends on how much space closes through front-tooth retraction rather than forward movement of the back teeth. The 2018 review linked the soft-tissue response with incisor retraction, age and extraction protocol. One social-media before-and-after cannot predict your result.
Age changes the answer
Most adult facial growth has finished. The British Orthodontic Society's 2024 guide says some adult problems cannot be corrected with braces alone. They may need jaw surgery combined with orthodontics. That distinction matters if someone promises a wider jaw or a new chin from braces alone.
Growing children are different because a clinician may use a functional appliance alongside growth. Almrayati and colleagues reviewed 11 trials involving 689 young people aged 8 to 16 in 2024. With Twin Block treatment, pooled results showed 1.93 mm of upper-lip retraction versus no treatment. The nasolabial angle increased by 5.75°, while lower-lip position did not change.
Those numbers do not apply to every child. The review studied Class II bite problems and specific functional appliances, not routine braces alone. Differences among studies and risk of bias still limited confidence.
The hardware itself can alter a mid-treatment photo
Wang and colleagues photographed 40 participants immediately before and after fitting clear aligners or fixed appliances in a 2023 study. Fixed appliances caused about 0.8 to 0.9 mm of forward change at the mouth corners and lower-lip landmark.
That was an immediate appliance effect. It did not measure the final face after tooth movement. A mid-treatment selfie can mix treatment changes with the physical bulk of brackets. Compare final records after removal when you want to judge the treatment result.
A decision table for changes you notice
| What you notice | Mechanism to ask about | Useful next step | Main limit |
|---|---|---|---|
| A lip looks farther back in profile | Planned front-tooth retraction, sometimes using extraction space | Ask how far and in which direction the front teeth moved | Head position and camera angle can mimic a profile change |
| Lips look fuller soon after fitting | Brackets or aligners may push nearby soft tissue forward | Compare the baseline with a photo after appliance removal | An immediate hardware effect is not the final treatment effect |
| The smile looks wider | Alignment may show more teeth or change dental arch form | Compare standardized smiling photos and dental records | A wider-looking smile does not prove facial bones widened |
| The chin or jawline looks dramatically different | Bite posture, growth, photo conditions or jaw surgery may be involved | Ask whether the plan moved only teeth, guided growth or included surgery | A selfie cannot separate these causes |
| Your face-shape label changed | Hair, expression, pose or camera distance may have changed the outline | Retake a neutral front photo under matched conditions | A shape label does not describe bone anatomy |
How to make a fair photo comparison
Use this as an editorial check, not a medical or orthodontic test.
- Use the same camera, zoom setting, distance and eye-level height. Avoid comparing one close selfie with one distant portrait.
- Keep your head level, lips relaxed and teeth lightly together. Take front and side views under the same light.
- Compare pre-treatment photos with records taken after braces are removed. A mid-treatment photo includes the appliance effect.
- Record whether extractions, a functional appliance, jaw surgery or major growth occurred between photographs.
Phone distance and head position can change apparent proportions before treatment changes anything. Use our guide to selfie distortion and face shape when two photos seem to show different faces.
Five questions to ask before treatment
- Is my concern caused by tooth position, jaw position or both?
- Which front teeth will move, in which direction, and by about how many millimetres?
- If you recommend extractions, how will you close the spaces and what lip change do you expect?
- Is this a tooth-only plan, growth modification or a plan involving jaw surgery?
- Which parts of your prediction come from my records, and which remain uncertain?
Ask the orthodontist to explain the plan using your bite, side-view records and proposed tooth movements. A generic face simulation is not a guaranteed outcome. Get a second opinion if the explanation stays vague or promises dramatic adult bone changes.
Can a face-shape scan answer this?
No. A front-photo face-shape finder can describe your visible outline. It cannot tell whether a bite issue is dental or skeletal. It also cannot measure tooth movement or predict an orthodontic result.
If your separate next step is choosing glasses, brows, a beard or a haircut, try the on-device face-shape finder from a front photo. It works in your browser without an account or email. Use that label for grooming choices, not dental treatment. The estimate describes an outline, not your bone anatomy.
Oscar Nascimento
Editorial writer, GlowUp Face
Oscar writes about evidence-based skin care, healthcare, looksmaxxing, and the social and economic research surrounding appearance.
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