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[ARTICLE] Square Jaw Surgery: Facial Bone Structure and Lower-Face Balance Matter More Than the Amount of Bone Reduction

A square jaw may be a concern when the lower part of the face appears wide from the front or when the angle of the jawbone below the ear is prominent from the side. This facial shape can be influenced by various factors, including not only the size and shape of the mandible, but also the development of the masseter muscles used for chewing and the amount of fat beneath the chin. Square jaw surgery is a type of facial contouring surgery that aims to improve the contour of the lower face by adjusting the shape and width of the mandible. However, the surgical outcome is not determined simply by removing a large amount of bone. It is important to determine the appropriate extent and location of bone reduction based on each individual’s skeletal structure and overall facial proportions. In particular, excessive reduction of the mandibular angle located below the ear may result in an unnatural side profile. On the other hand, reducing only the prominent area visible from the side may not ...

*Surgery Diary - 8 - "If you are concerned with a double chin and protruding mouth"

  [Doctor's Surgery Diary]

- 8 -

"If you are concerned with a double chin and protruding mouth"


Since our clinic performs facial contouring surgery, many people naturally ask about liposuction.

In particular, many people want to solve the double chin problem. Technically, the double chin is not just a matter of "fat."

For those with a small lower face, especially a more severe weak chin, the more the double chin comes along regardless of their body weight.

The weaker the chin is like the picture below, the chin tip is closer to the neck. 

As there is not much space for skin tension, it looks more severe double chin even only putting the head down just a little bit.


Pre-Op

In the case of the male patient, he has a severely recessed chin as there is almost no curve under the lips.

For those like this patient, of course, their mandibular angle doesn't stand out because their bone itself is recessed backward and hidden inside the flesh.


Pre-Op


In the case of the female patient, she has a quite severe weak chin but the double chin doesn't seem to outstand because of the lengthy chin.
However, her mouth looks relatively protruded and the side profile balance doesn't seem to be good.


***

With the advancement genioplasty, there's a sense of distance between the tip of the chin and the neck, so the impression looks much more three-dimensional, the overall balance of the profile is improved, and the mouth is less protruding.

Pre-Op    VS    Post-Op

Of course, we shouldn't make a jutting chin as we aim for weak chin improvement.

However, it is relatively better for male patients to make the chin a little more advanced.


Pre-Op    VS    Post-Op


***

For those who have a double chin problem or have a protruding mouth, it is recommended to consult a specialist to find out the exact reason.





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