Seoul Cheil Plastic Surgery – Redefining Facial Harmony with Surgical Precision
At Seoul Cheil Plastic Surgery Clinic, we specialize in advanced facial contouring and bone surgery, delivering natural, balanced results through a personalized, patient-centered approach. With over 25 years of experience and a dedicated team led by board-certified specialists, we provide world-class care to help you achieve the look that reflects your true self.
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Take the first step toward a balanced, confident profile. Whether you’re considering ASO surgery, chin contouring, or facial harmony procedures, our specialists are here to help.
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25 years of Experience
Specializing Exclusively in Facial Surgery
Led by Seoul National University Graduate Dr. Sang Baek Han.
About
Seoul Cheil Plastic Surgery
Korea’s Leading Clinic for Facial Bone Contouring
Located near Apgujeong Station in Gangnam, Seoul Cheil Plastic Surgery is led by Dr. Sang-Baek Han, a board-certified plastic surgeon with over 25 years of experience. The clinic is renowned for its excellence in facial bone surgery and protruding mouth correction (ASO), performed through a specialized team-based system that includes collaboration with an experienced orthodontic expert.
Our commitment to precision and safety is supported by extensive clinical research and international recognition, including publication in the SCIE-indexed journal Plastic and Reconstructive Surgery.
Beyond surgical procedures, we also provide a comprehensive range of aesthetic treatments—including eye surgery, rhinoplasty, facelifts, botox, and fillers—to help every patient achieve natural beauty, balanced harmony, and lasting confidence.
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📞+82-10-9289-9919 (WhatsApp & Text)
English-Speaking & Foreigner-Friendly We’re Here for You!
SEOUL CHEIL
Medical Team Introduction
Sang-Baek Han, M.D., Ph.D.
Director, Medical Doctor, Philosophical Doctor, Korean Board-Certified Plastic Surgeon
Educational Background
- Graduate of Seoul National University Medical College
- Korean License of Medical Doctor license since 1994 (certified by the Ministry of Health and Social Affairs, Republic of Korea)
- Master's degree at Seoul National University Postgraduate Medical School
- Doctoral degree at Seoul National University Postgraduate Medical School
- Internship & residentship at Seoul National University Hospital, Department of Plastic and Reconstructive Surgery
- Korean Board-Certified Plastic Surgeon since 1999 (Ministry of Health and Welfare, Republic of Korea)
Professional Experience
- Fellowship of the plastic surgery department at Seoul National University Hospital
- Instructive Professor of plastic surgery at Inje University, Paik Hospital
- Visiting Professor of plastic and reconstructive surgery of Seoul National University Hospital
- Current Director of Seoul Cheil (Seoul-the First) Plastic Surgery Clinic
Sunjin Yim, D.D.S., Ph.D.
(one team dentist for co-work treatment of protruding mouth)
Educational Background
- Orthodontics Specialist (Certified by the Ministry of Health and Welfare),
- Comprehensive Dentistry Specialist (Certified by the Ministry of Health and Welfare)
- Certified Orthodontist (Recognized by the Korean Association of Orthodontists)
- Graduated from KAIST (Korea Advanced Institute of Science and Technology), Department of Chemical and Biomolecular Engineering
- Graduated with honors from Seoul National University, School of Dentistry (Recipient of the Seoul National University Alumni Association Award)
- Earned a Ph.D. in Orthodontics from Seoul National University, Graduate School of Dentistry
- Completed internship and residency in the Department of Orthodontics at Seoul National University Dental Hospital
- Awarded Outstanding Resident Recognition at Seoul National University Dental Hospital
- Presented posters at the European Journal of Orthodontics (EJO) and the Asia Pacific Orthodontic Conference (APOC)
Protruding Mouth Surgery by Korean Dr. Han
Protruding Mouth Surgery
What is protruding mouth?
Protruding mouth is “bimaxillary dentoalveolar protrusion” in medical terminology, which is characterized by unsightly, forward positioned profile line of protruding lips (commonly with receding chins) when compared to the ideal reference line of lower face.
Mild protruding mouth cases may be improved by mere orthodontic treatment.
However, Moderate or severe skeletal protrusion of the alveolar (gum) bone itself must be treated by surgery, i.e. ASO(Anterior Segmental Osteotomy)
What is ASO?
ASO(Anterior Segmental Osteotomy) surgery is performed for the patients with protruding mouth of moderate to severe grade.
ASO is a surgery that moves the maxillary and mandibular alveolar bone & six teeth complex backwards at once following extracting the (upper and lower) four premolar teeth, under general anesthesia. The surgery time of ASO is only about one hour or less.
Preoperative Examination & Planning
At SeoulCheil Plastic Surgery, a one-stop visit includes a full evaluation by our orthodontic and surgical team.
Consultation with X-rays (cephalometric, panoramic) and CT scans
1. Pre-op tests (blood work, EKG) in about 15 minutes
2. Surgery typically scheduled within 2–3 days (same-day possible)
3. ASO movement is precisely planned, often in 3D
4. Chin position is analyzed and adjusted if needed
5. Final facial contour is refined during surgery for optimal results
Why you can trust SeoulCheil Plastic Surgery?
1. Safe and Routine Procedure
ASO surgery is not considered a major or complex operation here, thanks to 25+ years of surgical experience.
2. Efficient Surgery Time
Most surgeries are completed within 1 hour (record: 33 minutes). While speed isn’t the goal, efficient technique ensures minimal tissue damage. No IMF (rubber band fixation) is needed—patients can breathe, drink, and speak comfortably right after surgery.
3. Quick Recovery
Patients typically resume daily life within 3–4 days, proving that precise, clean surgery supports fast healing.
4. Proven Expertise
Decades of clinical and academic experience allow for detailed, artistic refinement during surgery—balancing function and aesthetics in every case.
Seoul Cheil Plastic Surgery Clinic
Seoul Cheil Plastic Surgery Clinic in Gangnam is widely recognized for its excellence in facial bone contouring and protruding mouth (ASO) surgery. With over 25 years of specialized experience, the clinic offers highly personalized treatment plans based on each patient’s facial anatomy and aesthetic goals. Led by board-certified plastic surgeon Dr. Sang-Baek Han, Seoul Cheil combines advanced surgical precision with a deep understanding of facial balance to deliver natural and harmonious results. Whether you require ASO surgery, chin contouring, or comprehensive facial refinement, Seoul Cheil is trusted for achieving transformative yet subtle improvements in facial structure.
Before & After Gallery
Let’s Chat Today!
📞+82-10-9289-9919
(WhatsApp & Text)
English-Speaking & Foreigner-Friendly We’re Here for You!
What Our Patients Say About SEOUL CHEIL
The doctors at Seoul Cheil Plastic Surgery are incredibly skilled and detail-oriented. They explained every step clearly and made me feel confident throughout the process. My results look natural, and the recovery was faster than I expected.
Jane Faber
3 months ago
I underwent a facelift at Seoul Cheil, and the outcome exceeded my expectations. My facial lines are smoother, and the overall balance feels very natural. The surgical team’s precision and post-care support truly stand out.
Jane Faber
8 months ago
As an international patient, I appreciated how accommodating and friendly the staff were. They spoke fluent English and guided me through each step. The clinic environment is clean, modern, and very professional.
Jane Faber
1 months ago
Dr. Han and his team focus on achieving harmony rather than overcorrection. My face looks refreshed, not artificial. I’m extremely satisfied with the results and would highly recommend Seoul Cheil Plastic Surgery to anyone seeking trusted anti-aging or facial surgery in Korea.
Jane Faber
5 months ago
FAQs about Protruding Mouth Surgery
1. What is protruding mouth surgery (ASO)?
Protruding mouth surgery, also known as ASO (Anterior Segmental Osteotomy), is a surgical procedure that repositions the front portions of the upper and lower jaws to correct an excessively forward lip and gum position. It’s often used to improve facial balance, side profile, and lip closure.
2. Who is a good candidate for ASO surgery?
Ideal candidates have moderate to severe bimaxillary dentoalveolar protrusion—meaning the upper and lower jaws and teeth are pushed forward. Common signs include lips that do not close naturally, a gummy smile, and a protruding philtrum.
3. Is orthodontic treatment alone enough to fix a protruding mouth?
In mild cases, orthodontics may help. However, for skeletal-level protrusion, orthodontics cannot move the underlying bone structure back. In such cases, ASO surgery is necessary for full correction.
4. How is ASO surgery different from double jaw (two-jaw) surgery?
ASO focuses on moving only the anterior (front) segments of the jawbone, whereas double jaw surgery involves repositioning the entire upper and lower jaw. ASO is less invasive, has shorter recovery, and avoids intermaxillary fixation (rubber bands holding jaws shut).
5. How long does the surgery take?
Typically, ASO surgery takes around 1 hour. If chin surgery (genioplasty) is performed together, it may take an additional 20–30 minutes.
6. Will I be able to speak and eat after surgery?
Yes. Since ASO does not require jaw fixation with rubber bands, patients can speak, drink, and breathe normally right after surgery. A soft diet is recommended during early recovery.
7. How long is the recovery period?
Most patients can return to daily activities within 3–4 days. Swelling and mild bruising may last for 1–2 weeks. Final results are typically visible after 1–2 months.
8. Are there any scars after ASO surgery?
No. All incisions are made inside the mouth, so there are no visible external scars.
9. Can ASO surgery be combined with other procedures?
Yes. ASO is often combined with genioplasty (chin surgery) to improve overall facial harmony. Some patients also undergo eye or nose procedures for full-profile refinement.
10. Is the result permanent?
Yes. Once the bone segments heal in their new position, the result is permanent. With proper care and follow-up, there is no risk of the bones returning to their previous position.
Clinic Overview
