Surgery for Lantern Jaw | Korean Facial Bone Surgery

 

[WATCH: Surgery For Lantern Jaw Cases] 

What Causes a Lantern Jaw?

There are several factors that may contribute to skeletal deformities, causing a lantern jaw. Factors include:

-Genetics

-Shape of the bones

-Size and alignment of the teeth

-Movement of the jaw muscles

-Lifestyle habits such as thumbsucking

Types of Lantern Jaw

Not all cases of lantern jaw are the same. In general, the main signs to look for are when the lower jaw is longer than the upper jaw. When seen from the side, the lower jaw will look protruded. If the issue is purely due to the teeth and there are no skeletal deformities, orthodontic treatment may be enough to treat it. However, if there is a problem in the bone structure, surgery will be needed.

Example #1: Case of lantern jaw where the jaw protrudes, accompanied with malocclusion (underbite).

Example #2: Case of lantern jaw where both the upper and lower teeth protrude, accompanied with malocclusion. 

Example #3: Case of lantern jaw where only the chin protrudes, teeth occlusion is stable.

Surgery for Lantern Jaw

The surgery method to treat a lantern jaw depends on each individual's case. 

Examination of each patient's occlusion and skeletal structure of their jaw is needed. Either double jaw surgery or lower jaw surgery may be needed. 

For example, if the distance between the upper canine and lower canine is small, the lower jaw alone cannot be pushed back too much. This means proceeding with only lower jaw surgery is difficult, so double jaw surgery is needed to push both of the jaws into a better position. In contrast, if the position of the upper canine and lower canine are far apart, the lower jaw can be pushed in more. Lower jaw surgery may be appropriate in this case. However, a precise diagnosis and examination are needed by an expert to determine the best surgical method.

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