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I'm undergoing jaw surgery next month for my mild underbite and I want to get the best aesthetic result out of it. My biggest fear is the current plan shortening my lower jaw too much and making my forehead look bigger since its already big.

There is still some room for change in the plan so I wanted to ask your opinion on it and then I can bring it up with my surgeon. I'm thinking that maybe there should be more advancement.

Video of the plan: https://www.youtube.com/shorts/7TD81H3EIis

Pictures of my face: https://imgur.com/a/opeZrtW

X-rays: https://imgur.com/a/BHiY4XE

Thanks in advance!

Alright I got new information. Apparently Sinn called the procedure: "zygomatic bone advancement" he developed it in conjunction with some surgeon in Australia. I think he might be the only one that does it in the US. The surgeon from Australia he developed it with, if I had to guess would be Heggie since he also has written and made papers on it.

That makes sense but remember it's a 2 part operation that also requires lefort 1 to not advance the jaw is what I understood. Varbrah was right when he mentioned Modified lefort 3 isn't exactly the right name for it I guess, but now a days there isn't much distinction.

Thank you for the link GJ. Yeah I read that one some weeks/days ago in my research.
What surprised me a TON is how both Earl and him refere to it as "milder than DJS" WHAT? Also this thread was how I learned it was two separate surgeries. I thought they were both done at the same time in one go but apparently not. What absolutely CONFUSES me a ton is that they keep refering it as recovery being "milder than Djs" and basically that it was not a big deal recovery wise. The cuts seem to be two, infraorbital area and lefort 1 area, apparently done at different times. This is insane to me I'd think it all would be on the same go. Today I'm contacting Sinn's team to see if he thought this to someone ever. I will be careful how I talk about it but I must try.

Thank you for messaging him and linking the thread to him. I tried messaging him some days/weeks ago but he did not answer yet. Let's hope there is more luck this time around.

Is the step off you mentioned the one in the picture I posted?

That's where, in my mind's eye, I pictured a step off being a risk. Definitely ask about shaving down the bone and/or grafting to soften that. I'd imagine the eye sockets appear more depressed after the procedure, too, since you're advancing everything around it, and any asymmetry will be exaggerated as you move things forward.

I know we all think this is an esoteric and risky procedure. I still think that, fwiw, but after reading Earl's emails, Sinn didn't feel that way. I don't know if that's because Sinn's confidence in his ability, his experience, etc, but that was his feeling about it. In rereading the emails, that stood out.