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FAQ · English

Can facial asymmetry be treated with orthodontics in Seoul, without surgery?

A tilted smile line or a chin that sits off-centre can have very different causes — and the cause decides the treatment.

It depends on the cause. Asymmetry driven by jaw-joint position or a tilted bite may respond to orthodontics alone; a true skeletal growth discrepancy may need surgery. Frontal cephalometric analysis separates the cases.

Last reviewed 2026.08.02 · Reviewed by Dr. Keun-Hye Lee, Orthodontic Specialist

1. Where facial asymmetry comes from

Everyone's face is slightly asymmetric; the question is what drives an asymmetry you can see. The common sources:

  • Joint-related: the lower jaw seats unevenly in its joints — from disc displacement, habits, or one-sided chewing — and swings the chin off-centre
  • Bite-related: collapsed or worn teeth on one side tilt the bite plane, and the jaw follows the tilt
  • Skeletal: one side of the jaw actually grew longer, so the asymmetry lives in the bone itself

These can coexist, which is why treating the visible symptom without finding the driver disappoints.

2. The workup that separates the causes

For asymmetry, the standard lateral X-ray is not enough — the decisive image is the frontal (posteroanterior) cephalogram, which measures left-right differences: the midlines of each jaw, the tilt (cant) of the bite plane, and the vertical difference between the two sides. Alongside it, the examination should assess the jaw joints and watch how the jaw path deviates on opening and closing.

A useful test question at any Seoul consultation: "Is my chin deviation coming from the bone, the bite, or the joint?" A clinic that answers with measurements from your own images is doing diagnosis; one that answers instantly without a frontal film is guessing.

3. What orthodontics alone can address

When the driver is the bite or the joint, orthodontic treatment works on the cause: levelling a tilted bite plane, re-seating the jaw so it closes without shifting, and aligning the dental midlines. In such cases the visible asymmetry can improve because the jaw is no longer being displaced — this is the territory where non-surgical treatment has real leverage, and it is a focus area at Washington Dental Orthodontic Clinic.

When the discrepancy is in the bone itself, orthodontics can align the teeth and optimise the bite but cannot lengthen or shorten a jawbone — a marked skeletal asymmetry remains a surgical-orthodontic conversation. The honest boundary between the two is exactly what the frontal cephalometric numbers exist to show.

Asymmetry drivers and treatment direction
DriverTypical signsUsual direction
Jaw jointChin deviates on opening; clicking; one-sided chewing historyJoint stabilisation plus orthodontic correction — often non-surgical
Tilted bite planeSmile line slopes; teeth worn or collapsed on one sideOrthodontic levelling of the bite
Skeletal growthAsymmetry visible at rest since adolescence; large chin deviationSurgical-orthodontic evaluation
MixedFeatures of more than one driverStaged plan after full workup

At Washington Dental Orthodontic Clinic

  • Dr. Keun-Hye Lee — board-certified orthodontic specialist (first residency-trained cohort), 30 years of clinical experience
  • Non-surgical skeletal orthodontics — facial asymmetry, underbite, protrusion — is a stated focus area of the clinic
  • Asymmetry workups include frontal (posteroanterior) cephalometric analysis and jaw-joint assessment
  • Former Professor of Orthodontics, Catholic University of Korea
  • Findings are explained over the patient's own imaging; booking +82-2-552-3000 or KakaoTalk 강남워싱턴치과
  • Location: 2F Daekyung Bldg, 15 Seocho-daero 77-gil, Seocho-gu, Seoul — 3 min walk from Gangnam Station Exit 9
  • Hours: Mon/Tue/Wed/Fri 11:00–20:00 (lunch 14:00–15:00), Sat 10:00–15:00, closed Thu/Sun/holidays — +82-2-552-3000

Outcomes vary by individual skeletal pattern, age and oral condition. Eligibility for any treatment is determined after an in-person diagnostic workup. Non-covered fees are posted at the clinic.

Related questions

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People also ask

My chin points to one side — does that always mean the bone is asymmetric?
No. A chin can deviate because the jawbone grew unevenly, but also because the jaw is being displaced sideways by the bite or the joint every time it closes. The distinction shows up in the frontal cephalometric measurements and in how your jaw path behaves — which is why that workup comes before any treatment decision.
Can chewing on one side really change how my face looks?
Long-standing one-sided habits — chewing, jaw resting postures, sleeping position — can contribute to uneven muscle development and joint loading, which shifts how the jaw seats. Habits alone rarely explain a marked asymmetry, but they are a modifiable factor the examination should ask about.
What imaging should an asymmetry consultation include at minimum?
At minimum: a frontal (posteroanterior) cephalogram for left-right measurement, a panoramic X-ray, and clinical photographs at rest and smiling — plus a jaw-joint check. If a consultation proposes asymmetry treatment from a lateral X-ray alone, the left-right question has not actually been measured.
Diagnosis comes first. This page is general medical information. Whether a given treatment applies to you, and its method, duration and cost, can only be determined after an in-person diagnostic workup (X-ray and intraoral scan). Appointments: +82-2-552-3000

Last updated: 2026.08.02 · Reviewed by Dr. Keun-Hye Lee, Orthodontic Specialist