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AB Plastic Surgery Double Jaw + Facial Contouring Surgery (Square Jaw, Chin) Case Review

AB Plastic Surgery · 에이비성형외과의원 · December 26, 2025

Hello, this is AB Plastic Surgery. Today, we will look at the before-and-after photos of a 7-month postoperative patient who underwent facial contouring surgery at our AB Plastic S...

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This page is an English translation of a Korean Naver Blog archive entry. For exact wording and source context, verify against the Korean archive original and the original Naver post.

Clinic: AB Plastic Surgery

Original post date: December 26, 2025

Translated at: April 22, 2026 at 2:07 PM

Medical note: This translation does not guarantee medical accuracy or suitability for treatment decisions.

Hello, this is AB Plastic Surgery.

Today, we will look at the before-and-after photos of a 7-month postoperative patient who underwent facial contouring surgery at our AB Plastic Surgery,

a case of contouring surgery considered together with three-part facial contouring and double jaw surgery.

AB Plastic Surgery Double Jaw + Facial Contouring Surgery (Square Jaw, Chin) Case Review image 1

AB Plastic Surgery Double Jaw + Facial Contouring Surgery (Square Jaw, Chin) Case Review image 2

*Surgical results may vary depending on the individual’s circumstances.

Facial shape has a greater impact on daily life than you might think. The patient had a strong impression of a generally long face, and their Class III malocclusion had already been corrected through previous orthodontic treatment.

Therefore, rather than a typical double jaw surgery aimed at functionally improving the bite, we proceeded with contouring surgery to improve facial proportions and lines while maintaining the already stable bite. (However, because there were areas where adjustment of the upper and lower jaw positions was needed, the plan was carried out as contouring surgery based on double jaw surgery.)

In particular, the chin was long and projected significantly forward, so the lower jaw appeared prominent like a square jaw, and this made the midface look relatively short, creating an impression of reduced facial three-dimensionality.

AB Plastic Surgery Double Jaw + Facial Contouring Surgery (Square Jaw, Chin) Case Review image 3

*Surgical results may vary depending on the individual’s circumstances.

AB Plastic Surgery Double Jaw + Facial Contouring Surgery (Square Jaw, Chin) Case Review image 4

*Surgical results may vary depending on the individual’s circumstances.

After thorough consultation, we maintained the existing stable bite and established a contouring surgery plan to improve facial proportions, considering the facial balance and proportions that are important in double jaw surgery.

✅ Upper jaw: Moved upward by 5 mm to reduce midface length and improve facial proportions

✅ Lower jaw: Moved backward by 7 mm to naturally retract the protruding lower jaw

✅ Chin: Reduced both length and width to create a more refined chin line

✅ Mandibular angle: Although not large, it was refined to soften the jawline and create smoother contours

Changes after 7 months following double jaw + facial contouring surgery for a protruding jaw and long face shape

AB Plastic Surgery Double Jaw + Facial Contouring Surgery (Square Jaw, Chin) Case Review image 5

AB Plastic Surgery Double Jaw + Facial Contouring Surgery (Square Jaw, Chin) Case Review image 6

*Surgical results may vary depending on the individual’s circumstances.

Facial contouring surgery, double jaw surgery, chin, square jaw

After surgery, the overall mandibular angle line became much softer, and the strong impression caused by the existing protruding jaw, square jaw, and long face shape was noticeably improved.

As the distinctive strong impression was softened, a more balanced proportion and greater three-dimensionality could be seen overall.

Facial contouring surgery and double jaw surgery are not simply procedures that reduce or move bone; it is important to consider bite stability, facial proportions, harmony between the front and side views, and the overall impression together.

We will continue to provide more accurate and helpful information through a variety of cases.

*The before-and-after photos used in the above post may differ from actual results due to the shooting environment, lighting, makeup, and other factors. Results vary by individual, and please confirm the procedure result that is appropriate for you through a precise consultation.

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