Two-Jaw Surgery in Korea: Costs, Recovery & Serious Risks
Considering double jaw surgery in Korea? Here is how two-jaw (orthognathic) surgery works — who really needs it, the cost, the long recovery, the nerve risks, and an FAQ.
If your teeth don't meet properly, your chin sits far forward or back, or your face looks unbalanced from the side no matter what else you change, the cause may be the jaw bones themselves. Two-jaw surgery — also called double jaw or orthognathic surgery — repositions both jaws to fix the bite and balance the face. This guide explains who actually needs it, what it costs, how long the (serious) recovery takes, and the risks you must weigh first.
It's part of our pillar on Korean cosmetic procedures — two-jaw surgery is major, functional surgery, so read the overview first if you're new to facial contouring.
Important
This article is informational, not medical advice. Two-jaw surgery is a major operation with significant risks; results and risks vary from person to person, and only a licensed maxillofacial surgeon can assess your bite and bone structure. Always consult a qualified specialist first.
What two-jaw surgery actually does
Think of your bite as a lid meeting a box: if the upper jaw (maxilla) and lower jaw (mandible) don't line up, the "lid" closes crooked. Two-jaw surgery cuts and repositions both jaws so the teeth meet correctly and the profile balances. Because it moves bone that shapes the whole lower face, it can dramatically change appearance — but its core purpose is functional, not just cosmetic.
It's different from V-line surgery, which reshapes the jaw outline for looks. Two-jaw surgery moves the jaw position to fix how the jaws meet. The two are sometimes discussed together, but they solve different problems.
Is two-jaw surgery right for you?
It's typically considered when you have:
- A functional bite problem — an underbite, overbite, open bite, or significant facial asymmetry.
- A protruding or receding jaw that a cosmetic procedure alone can't correct.
- Willingness to undergo orthodontics (braces) before and usually after surgery.
It's the wrong choice if your concern is purely a cosmetic jaw outline with a normal bite — that may be contouring, not orthognathic surgery — or if you're not prepared for a hospital-level operation and months of recovery. Being told it's a quick, low-risk "face-slimming" surgery is a serious red flag.
What the surgery involves
Two-jaw surgery is done in a hospital under general anesthesia and usually takes several hours. The surgeon makes incisions inside the mouth, cuts the upper and lower jaws, moves them into a planned position, and fixes them with plates and screws. Most people stay in hospital for several days afterward. Orthodontic treatment before and after surgery is standard, so the full process spans many months, not a single trip.
Realistic cost
Two-jaw surgery is one of the most expensive facial procedures because it's a hospital operation involving both jaws, general anesthesia, an inpatient stay, and coordinated orthodontics. Rather than a single number, it helps to see what moves the price:
| Factor | Effect on price |
|---|---|
| Complexity | Larger movements/asymmetry correction cost more |
| Primary vs revision | Revision is harder and costs more |
| Orthodontics | Pre/post braces are usually a separate, added cost |
| Hospital & anesthesia | Inpatient stay and general anesthesia add cost |
| Surgeon seniority | Experienced maxillofacial surgeons command a premium |
As a rough guide, two-jaw surgery in Korea generally runs in the tens of millions of won and up — often cited around ₩15,000,000–₩25,000,000 — varying widely by case and hospital. Confirm what's included (orthodontics, hospital stay, follow-ups) and get an itemized quote before comparing.
Recovery timeline
Recovery is long and demands patience — this is not a procedure with a quick return to normal.
| Time after surgery | What to expect |
|---|---|
| Days 1–7 | Hospital stay; peak swelling around days 3–5; liquid diet |
| Weeks 2–4 | Major swelling easing; still soft diet; limited jaw function |
| Weeks 4–6 | Many return to lighter routines; solid food gradually resumes |
| ~Week 12 | Primary bone stability |
| 6–12 months | Final remodeling; nerve sensation returns (occasionally up to ~18 months) |
Tip
Numbness in the lips, chin, or cheeks is expected early on and usually fades over months. Judging your final result — or your sensation — too soon is a mistake.
Risks worth taking seriously
Two-jaw surgery is high-risk, both functional and cosmetic. Anyone downplaying that is a warning sign. Key risks include:
- Nerve injury / numbness — altered sensation in the lower lip, chin, or cheek is common early and can linger; in some cases numbness is long-lasting.
- Bite changes and the need for further orthodontics — the bite is refined with braces after surgery, and results can need adjustment.
- Relapse — bones or bite can shift over time.
- Major-surgery risks — bleeding, infection, and anesthesia-related risks that come with any hospital operation.
Warning
Long-lasting nerve numbness and bite/relapse issues are the complications that most affect quality of life and may need revision. Ask specifically about the surgeon's complication rates and how the hospital manages nerve and bite problems before you commit.
How to evaluate a clinic for two-jaw surgery
This is hospital-level maxillofacial surgery, so experience and facilities matter more than for any cosmetic tweak. Use our checklist for choosing a clinic in Korea, and ask specifically:
- Is the surgeon a specialist in orthognathic/maxillofacial surgery, and how many two-jaw cases do they do a year?
- How is orthodontics coordinated before and after surgery?
- What are your complication rates, and how do you manage nerve injury or relapse?
Frequently asked questions
Is two-jaw surgery cosmetic or medical? Both. Its primary purpose is functional — correcting the bite and jaw position — but because it moves the bones of the lower face, it also changes appearance. It's not a purely cosmetic "face-slimming" operation.
How long until I can eat and work normally? Plan for a liquid then soft diet for several weeks; many return to lighter routines around four to six weeks, with solid food resuming gradually. Full recovery spans months.
Do I really need braces too? Usually yes — orthodontics before and after surgery is standard to align the teeth with the new jaw position, which is why the whole process takes many months.
How is it different from V-line surgery? V-line surgery reshapes the jaw outline for aesthetics; two-jaw surgery repositions the jaws to fix the bite. They address different problems and aren't interchangeable.
The bottom line
Two-jaw surgery in Korea can transform both bite and facial balance, but it's major, functional, hospital-level surgery with a long recovery and real nerve and bite risks — so the surgeon's maxillofacial experience matters far more than the price. Read the clinic checklist next, and if your goal is only the jaw outline with a normal bite, compare it with V-line surgery in Korea. Then take your questions to a licensed maxillofacial surgeon for a personal assessment — that consultation, not any article, is where your decision should be made.
Editorial sources
Primary and professional references used to review this guide. They do not replace an individual consultation.
Keep learning
V-Line Surgery in Korea: Jaw & Facial Contouring Explained
You want a slimmer jawline and a clear answer — here is what V-line work in Korea actually involves: bone vs non-surgical options, realistic cost, recovery, risks, and an FAQ.
Yuna Kim6 min read
Cheekbone Reduction in Korea: Costs, Recovery & Real Risks
Want a softer, slimmer mid-face? Here is how cheekbone (zygoma) reduction in Korea works — who it suits, the method, real cost and recovery, the sagging risk, and an FAQ.
Yuna Kim4 min read
How to Choose a Cosmetic Clinic in Korea: A Safety Checklist
You have a shortlist of Korean clinics — here is how to tell the safe from the risky: surgeon credentials, ghost surgery prevention, equipment authenticity, red flags, and what a trustworthy consultation looks like.
Yuna Kim6 min read