Malocclusion · facial profile

How can malocclusion affect the face and profile?

The bite, tooth position and the relationship between the upper and lower jaws contribute to the facial profile, lip support and smile. This does not mean that every facial feature is caused by malocclusion or that braces can always change facial shape. This guide explains what an orthodontist can assess and alter, where treatment limits lie and when combined care may be needed.

about 17 min readUpdated: 15 September 2026

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What really shapes the face and profile?

Facial appearance reflects bone, teeth, muscles, fat, skin, age and the individual growth pattern. Orthodontics primarily addresses tooth position, the relationship of the dental arches and jaws, and bite function. It can affect some externally visible features, but it is not a tool for freely reshaping the entire face.

Similar-looking profiles can have different causes. A retrusive chin may relate to jaw structure, incisor position, lip posture or soft-tissue proportions. A photograph or mirror view cannot establish the diagnosis; the bite, face and appropriate records must be assessed together.

The orthodontic assessment may include:

the profile at rest and when smiling
jaw and incisor position
lip support and effortless lip closure
facial, smile and midline symmetry
growth, function and expected stability

How can different bite problems appear in the face?

A Class II relationship may coexist with a retrusive lower jaw, a convex profile or difficulty closing the lips, although in some people tooth position is the main factor. A Class III relationship can be associated with a stronger chin or concave profile. An open bite may affect lip closure and incisor display, while a deep bite can alter the visible lower facial proportions.

These labels describe bite relationships, not appearance. The same diagnosis may look different in two people, so treatment effects cannot be predicted from the name alone.

Facial asymmetry and the bite — when are they related?

Small differences between the two sides of the face are normal. Assessment is particularly important when asymmetry is increasing, appeared suddenly, accompanies a sideways shift on closing, a unilateral crossbite, uneven wear or displaced dental midlines.

An orthodontist distinguishes dental, functional and skeletal asymmetry. Tooth movement may improve smile symmetry, and early treatment of a functional shift in a child may prevent an unfavourable pattern becoming established. Large adult skeletal asymmetry usually cannot be corrected with braces alone.

Do braces change the lips, smile or facial features?

Moving the incisors can alter tooth display and lip support, so the smile and profile may look different after treatment. The amount depends on the initial tooth position, planned movement, soft-tissue thickness and individual facial proportions. It is not honest to promise that braces will “slim the face”, enlarge the lips or always sharpen the jawline.

Facial and smile photographs form part of planning because a functional bite should not be considered separately from appearance. The aim is a harmonious, safe and stable relationship rather than copying one idealised facial pattern.

How does an orthodontist assess the bite and profile?

Assessment starts with the patient’s concerns and expectations. The orthodontist then examines the face from the front and side, smile, lip closure, jaw movement, tooth contacts and oral health. Scans, models, photographs and radiographs are selected when indicated; a cephalometric analysis can help describe skeletal relationships and incisor position.

A sound plan separates changes achievable through tooth movement from features caused by bone or soft tissue. Options, limits, likely profile effects and compromises should be discussed before treatment starts.

What can orthodontic treatment change — and what can it not change?

Fixed braces or aligners can move teeth, correct inclination, organise the arches and improve the bite within biological limits. In children and adolescents, selected appliances may be timed to use growth potential. The result still depends on diagnosis, cooperation and the individual growth pattern.

Adult orthodontics does not recreate the size or position of the jaw bones. Dental camouflage may be possible in selected mild or moderate discrepancies. A substantial skeletal discrepancy or asymmetry may require combined orthodontic and orthognathic treatment.

Situation	Possible orthodontic effect	Important limit
Inclined incisors	Changes in tooth position, smile and lip support	Soft-tissue response varies
Growing child	Growth guidance in selected cases	Timing, diagnosis and cooperation matter
Adult jaw discrepancy	Dental camouflage in selected cases	Braces cannot freely reposition jaw bones
Major skeletal asymmetry	Bite preparation for combined care	Surgical assessment may be needed

Do extractions before braces make the face look “sunken”?

There is no universal answer. Extractions are not automatic; they are considered when the diagnostic plan needs space, incisor correction or improved stability. The complete movement plan, starting profile and soft-tissue characteristics matter more than the word “extraction” alone.

Reviews report possible differences in lip position after extraction treatment, but the evidence and individual variation do not support one prediction for every person. The decision should follow complete records, comparison of alternatives and a clear discussion of expectations.

Orthodontics and aesthetic medicine — how can they be coordinated responsibly?

The source of the concern must be identified first. Orthodontics assesses teeth, bite and jaw relationships; aesthetic medicine addresses skin, volume loss and selected soft-tissue concerns. An aesthetic procedure does not treat malocclusion, while braces do not replace care for skin quality or age-related volume change.

When both are considered, sequence matters. Tooth movement and changing lip support may alter the later assessment of proportions, so significant aesthetic decisions should be discussed in light of the orthodontic plan. The consultations can complement one another while retaining separate indications and safety criteria.

When is an orthodontic consultation worthwhile?

Seek an assessment if a retrusive or prominent chin occurs with abnormal tooth contact, the lips do not close comfortably, the jaw shifts sideways, the smile is asymmetric, incisors protrude or a change is progressing. In a child, growth direction and function deserve early attention.

Ask not only about straight teeth but also about the expected effect on the profile, lips and smile. Sometimes the correct answer is that braces will not change a feature. Knowing this prevents unrealistic expectations and supports an informed choice.

Useful questions for the orthodontist:

Is the problem dental, functional or skeletal?
Which part of my profile may change with tooth movement?
What treatment alternatives and compromises exist?
Is another clinician or surgeon likely to be involved?
How will stability and outcome be assessed?

Common questions about malocclusion and facial appearance

Can braces change facial features?

They may influence the smile, tooth display and lip support. The extent depends on planned tooth movement and whether a skeletal discrepancy is present. Growth can sometimes be used in younger patients. Braces do not freely reshape the nose, cheekbones or the entire facial oval. The expected effect must be based on individual diagnostics, not another patient’s photographs.

Do braces make the face slimmer?

Facial slimming is not a predictable or appropriate orthodontic goal. Appearance may change through tooth position, lip support, ageing or weight change, but braces are not a method of slimming the face. Incisor movement can affect the soft-tissue profile differently in each person. An orthodontist should discuss realistic effects rather than promise a sharper jawline.

Can braces bring a retrusive lower jaw forward?

In a growing child or teenager, selected approaches may be timed to use growth potential. Results vary with diagnosis and cooperation. In adults, completed growth limits skeletal change from braces alone. Dental camouflage may be possible, while a major discrepancy may require orthognathic treatment. Examination of the bite, profile and records determines the options.

Can a Class II bite cause a retrusive profile?

It can coexist with a retrusive lower jaw and less prominent chin, but this is not always the cause. In some patients the key problem is tooth inclination. The profile alone cannot diagnose the bite. Teeth, jaws, growth and soft tissue must be assessed together before the likely change can be described.

Will orthodontic treatment correct facial asymmetry?

It may improve asymmetry caused by tooth position, smile line or a functional jaw shift. Mild facial asymmetry is normal. Skeletal asymmetry, especially in an adult, may not be fully corrected with braces alone. The diagnostic task is to distinguish dental, functional and bony components. Sudden or rapidly progressing asymmetry requires medical assessment.

Do the lips change after orthodontic treatment?

Incisor movement can alter lip support, so the lip profile may change. The response depends on anatomy and the treatment plan. Braces do not enlarge or reduce the lips as an aesthetic procedure would. Profile and smile photographs help discuss expectations. Any planned aesthetic treatment should be coordinated with the orthodontic sequence.

Do premolar extractions make the profile look sunken?

The extraction itself does not predict one facial result. Initial incisor position, required space, planned movement and soft-tissue response all matter. Research reports average lip-position changes but not an identical outcome for every patient. The orthodontist should explain indications, alternatives and compromises. A decision should never be based on one online photograph.

When is jaw surgery considered?

It may be considered for a substantial jaw discrepancy or asymmetry when tooth movement alone cannot achieve safe function and the desired skeletal correction. Treatment commonly combines orthodontic preparation, surgery and bite stabilisation. Assessment is individual and multidisciplinary. Not every skeletal discrepancy requires surgery; dental camouflage can be acceptable in selected cases. Benefits, limitations and alternatives should be explained.

Can aesthetic medicine replace malocclusion treatment?

No. Aesthetic procedures may address skin, volume or selected soft tissues, but they do not move teeth or correct the bite. They can alter appearance without removing an orthodontic cause. First identify whether the concern arises from teeth, bone or soft tissue. If both types of care are relevant, they should be planned in a safe sequence.

Sources and further reading

This article is educational and cannot diagnose malocclusion from appearance. The likely effect on the profile can be assessed only after examination, appropriate records and a discussion of expectations.