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HomeFacial BoneASO (Bi-Maxillary Protrusion)


Mouth Surgery

Anterior Segmental Osteotomy (ASO)
Three-jaw Surgery

Improving protruded mouth that are difficult for calibration alone

Grand technology of ASO


Improve function and aesthetic role
at the same time

Improves aesthetic as well as functional roles due to teeth alignment during protrusion surgery.


Precise diagnosis of
face structure with 3D-CT

3D-CT accurately identifies the structure of the face and establishes surgery plans.


Delicate design to
find the perfect ratio

Delicate surgery is performed at the ratio that best suits the overall balance of the face.


Whole face slimming effect in alignment with
the Axis of the face

Alignment of the centerline of the face can promote the balanced reduction of the entire face.

Adjust only the gums to improve the protrusion when occlusal fits well

Grand Anterior Segmental Osteotomy(ASO)

  • Surgery duration2 – 2.5 hour

  • Types of anesthesiaGeneral Anesthesia

  • Hospitalization2 days

  • Stitch removalNot needed
    (dissolves within 1-2 weeks)

After the surgery

The most common method of ASO surgery is performed if the teeth do not get stiffened and the gums themselves are protruding.

  • STEP 01

    Through 3D-CT, the degree of the protrusion is precisely diagnosed.

  • STEP 02

    Extract the teeth from behind the fang and restrain the chisel as much as the made space.

  • STEP 03

    Correct protrusions by repositioning the mouth that protrude as much as the restrained space.

What makes Grand
ASO Protruding Mouth Surgery

  • 01Improves aesthetic and functional roles

    During the recovery period, the aesthetic role as well as the occlusion may be corrected and improve the functional role

  • 02Fast recovery, minor swelling

    It has less swelling and faster recovery than Two-Jaw Surgery.

  • 03Shortens the period of braces/invisalign

    Can shorten the period of orthodontic from 2 years to 6~12 months.

ASO Protruding Mouth Surgery is suitable for those

  • Who has protruding mouth with relatively even teeth
  • Who has teeth that are evenly arranged by braces, but the protrusion has not improved

Grand Plastic Surgery

Safe ASO Surgery System

Precise Pre-Op Diagnosis through 3D CT

Precise surgery plan is set by implementing 3D CT to grasp and analyze the structure of the face in three dimensions. Also, safety is reinforced by diagnosing nerve damage, excessive bleeding, and free airway in advance.

Safety Reinforcement With Collaboration Of Each Filed Of Medical Specialists

Patient's safety is reinforced during two jaw surgery by up to date medical devices with collaboration of plastic surgeons, anesthesiologists, physicians and dermatologists.

Systematic cooperation between medical specialists

Up to date medical facilities


before & after
prev next

Move your fingers side to side

‘Better Together’

Grand Protruding Mouth Surgery Package


Severe protruded
mouth with square jaw

Protruding Mouth Surgery

V-line Jaw Reduction


Chubby face
with protruded mouth

Mouth Surgery

Accusculpt Laser

Completed system with the latest
medical equipments

GRAND offers the most
advanced techniques

CCTV Observation

The guardians who have agreed in advance can observe the entire operation process in real time at CCTV observation room.


Anesthesiologists who were former university professor is present during the surgery and real-time monitoring system is equipped to check all possible situation during general anesthesia.

Surgery real-name

All the medical staffs at Grand Plastic Surgery are conscientious. Patient's surgeon will be in charge of the entire process from consultation to surgery and post-operative care to prevent damage from ghost surgery and substitute surgeon.

Emergency system fully

Grand Plastic Surgery operating rooms are fully equipped with a University hospital-level safety system, including a cardiac defibrillator for emergencies, an emergency kit, and a UPS self-generating power system in case of a power outage.

Air circulator

Air circulator that can supply clean air, elimination of dust and germs, is fully equipped in OR to prevent infection.

Management of
medical tools

All medical tools that can be easily contaminated are thoroughly sanitized and sterilized for prevention of infection.

Management of

Professional laundry services are used for patient gowns, scrubs, OP drapes, etc. to aim the sanitized laundry through strict monitoring of infection or inflammation.

Management of
inpatient rooms

Comfortable inpatient rooms are available to ease the whole surgery process of foreign patients. Professional, detailed care services are offered during their stay.

Collaboration of specialists in various fields for professional, high-quality customized solution for each patient

Grand Plastic Surgery has a systematic care system consisted of various specialists such as plastic surgeon, dermatologist, oral & maxillofacial surgeon, and anesthesiologist.
Improvement in patient’s appearance in most ideal, beautiful way is possible as 1:1 customized surgery is planed through detailed examination.

No. 1 in Plastic Surgery - Brand Award

2019 Medical Korea Awards

2019 Medical Korea Awards
- Grand Prize in Plastic Surgery

No. 1 in Anti-Aging Plastic Surgery

2019 Healthy Life Forum

Sponsored by Russian Ministry of Health
Healthy Life Forum: Towards 80+
Invited Speaker Speech Rhee Sewhan, M.D.

No. 1 in Anti-Aging Brand Awards

2018 KCAI

2018 KCAI (Korean Consumer Appraisal Index)
- Grand Prize in Anti-Aging Surgery

Giving & Sharing - Social Contribution Activity

2016 Mongolian Red Cross

Mongolian Red Cross Appreciation Plaque
Surgery and treatment volunteer for
disadvantaged group

Grand Plastic Surgery
Special Service
for International Patients


Airport Transfer Service

Professional driver is assigned for patients from other countries to assist them from/to the airport to clinic.

Grand Plastic Surgery
Special Service
for International Patients


Hotel Reservation Service

We provide hotel reservation service for patient's comfort before and after surgery.

Grand Plastic Surgery
Special Service
for International Patients


24-hour Direct Consulting Service

24-hour direct consulting service is possible for patients residing outside of Korea. Consultation will be arranged to be at the time upon patient requests.

Grand Plastic Surgery
Special Service
for International Patients


1:1 Translator Service

Consultants in English, Chinese, Russian, Japanese, Mongolian, Vietnamese and Thai assist patients throughout the whole process of Consultation-Surgery-Recovery-Post-operative care-Discharge.

Grand Plastic Surgery
Special Service
for International Patients


Multilingual Website

We provide accurate information about plastic surgery by operating our website in multiple languages for international patients. Please request an online consultation for a prompt reply.

Please follow the instructions for
the best results of the surgery!

Before and after
surgery guide

Before surgery
  • 1On the day of surgery, it’s recommended to dress comfortably and to bring a hat, sunglasses, glasses, scarves, etc.
  • 2If you are taking any medication, please tell your doctor in advance. You have to stop taking your medication from 7 to 10 days before the surgery. (Aspirin, painkillers, etc.)
  • 3If you have symptoms of cold and flu, high fever, severe phlegm or cough, it is recommended to postpone the surgery.
  • 4Please stop smoking and drinking three days before the surgery.
  • 5Please do not eat or drink anything from 6 hours before the operation.(Including candy, gum, beverage, coffee, water)
  • 6Driving immediately after surgery is dangerous, so please use public transportation or come with your guardian.
After surgery
  • 1Fast for a day after surgery and eat soft food (liquid food such as thin rice gruel, juice, milk) for 7 days.
  • 2Wear compression garment on the face for 3-4 days after surgery.
  • 3Maintain oral hygiene by gargling after every meal to prevent inflammation or infection.
  • 4Be aware of the strong impact during the recovery. 
  • 5Avoid laying face down while sleeping and keep head 20-30 degrees higher than heart by having 2-3 pillows under the head to help with swelling and pain relief.
  • 6You may experience most swelling up to 48 hours after surgery. Use an ice pack for 3 days and a warm pack from the 4th day.
  • 7Avoid drinking and smoking for faster recovery. If unavoidable, they can be done 3-4 weeks after surgery.

Postoperative swelling and bruising may vary depending on the individual's constitution


Our consultant will contact you shortly if you leave your inquiry here.

num">1Avoid going to the sauna or hot spring for 3 weeks after surgery.