aestheticdream Posted December 13, 2014 Share Posted December 13, 2014 Hi everyone, I have been researching V-line surgery for a couple years now. First just using online resources (such as forums and blogs) and then I started reading research articles and academic literature on the actual surgery types. Clinics have their own marketing names for what they offer but at the end of the day it is all just a variation of a couple major surgical techniques. I thought I would share a few things I learned from these articles: 1. Gonial Angle: this is the jaw angle visible from a 45 degree or profile view. Koreans tend to have low angles (less than 110 degree jaw angle), meaning that the "line" from the chin to the mandible angle is almost parallel to the floor. For this the V-line surgery is a mandible angle reduction. 2. Wide Jaw Angle: Imagine that you are a bird looking down at the skull. For people with a wide face the actual jaw is open at a wider angle from this bird's-eye-wide. Since the jaw cannot be broken and re-set to make a smaller angle, the only option is to thin the mandible bone. Everyone generally has the same thickness to this bone so the amount of improvement is set for everyone. The V-line surgery for this is a saggittal osteotomy or cortical osteotomy. 3. Having a gonial angle reduction if you are looking to have a smaller face will not have the intended results and the end result will be the very unnatural v-line line horror pics we have all seen. Also the face width will not change from the fontal view with just a "long curved" or "rotary" mandible contour. 4. Ramus: the ramus length is very important to consider. This is the length of the jaw bone that extends down from the ear. In koreans this is often long and thus leads to that flat gonial angle. For westerners the ramus can be short and cutting it should be carefully considered since it is small already. 5. Chin: Many articles found that patient satisfaction was highest when chin augmentation or reduction (as needed) was also included in the surgery. 6. Buccal fat and Masseter Muscles: Removal of buccal fat is generally not recommended due to risk for lumpiness and facial fat is youthful anyways. Muscle resection also seems unnecessary because the masseter will naturally atrophy (shrink) after jaw reduction due to a decrease in use. 7. Jagged Edges: The post-op CT scans show that bone will remodel and heal itself over after a few months or a year. This remodeling should even out or prevent any rough edge feeling under the skin. Attached are just 4 of the articles I read. If these are helpful to you I can upload more. Good luck to everyone in making the best choice for their PS trip. Link to comment Share on other sites More sharing options...
aestheticdream Posted December 13, 2014 Author Share Posted December 13, 2014 Also, 8. Having angle reduction AND cortical osteotomy (thinning) is the riskiest because the structural integrity of the bone is at risk and the jaw could break. This is prevented by rigid fixation post-op and fractures of the jaw seem very rare. Most articles reported none. I am also not totally clear of what they mean by rigid fixation? Does this refer to screws and plates or is it braces like what is used in two-jaw? Anyways, seems like a rare issue. Hmmm… Only the first page of each article will upload as a JPEG so if anyone is interested in the complete articles please let me know. Link to comment Share on other sites More sharing options...
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