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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 - 4 - "Patient's health always comes first"

 [Doctor's Surgery Diary] - 4 - 

"Patient's health always comes first"


I'd like to tell you the story of my patient who visited from Europe for facial contouring surgery a while ago.

Usually receiving dental treatment, she came to Korea after completing all preparations with CT scans and medical treatment before entering Korea.

After arriving at ARC clinic, she took the pre-test for the final diagnosis before surgery, and the results are as follows.



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[1]

This is the X-ray panorama and the front view of CT.


1_1


1_2

 At first glance, it can just be passed. However, if you look closely, you slightly can see that the density of the right mandible image looks different from the normal left.

So, I checked the CT image again in a different mode.



***

[2]

You can definitely see the difference between left and right.

2_1

2_2


The yellow drawing indicates the right side of the face, and the condition of the bone surface is completely different from that of the green drawing (left side), and it's slightly inflated.


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[3]

3

 In the cut-sectional picture, it is confirmed that the cortical bone, which determines the hardness of the bone, is very thin, and the status inside is also different from the normal spongy bone on the left.



***


As a result, facial contouring surgery was put on hold because normal progress seemed to be impossible.

In the cooperative dental clinic even suspected that it might be a malignant tumor, however, a professor of radiology at a university hospital strongly suspected it was a benign disease.

So, our clinic decided to proceed with taking a biopsy for her.

Eventually, she received a detailed diagnosis result and returned home safely without anxiety.

As seen in this patient, successful surgery requires comprehensive observation as well as the area and the strength of several experts.



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