After V-line surgery, chin is reduced and jaw has no angles. Can reconstruction help?

It would be very difficult to give you meaningful advise without in person consultation. Second opinion consultation with a board certified plastic surgeon with good reputation in face/neck surgery is recommended. Good luck.

There are only two procedures that can visibly decrease the length of the face, vertical chin and forehead reduction. As least for the lower face you don't need V line surgery you need vertical wedge reduction bony genioplasty.

I think that V-line surgery is not indicated in your case. Your chin may be a bit long which may benefit from a reduction procedure. Profile photos would be helpful.

It is a common misconception that a LeFort I osteotomy (impaction) will shorten the midface. What it accomplishes is to create less visible tooth show but it can not change the amount of overlying midfacial soft tissue cover. ( lip/philtral length) This can change the total vertical facial...

Hello ilovemacaroons, It's not possible to completely predict how much sagging you would have. A useful piece information is the amount of bone that will be removed. More or excessive bone removal would lean things towards more sagging. Your soft tissue is stripped off of the bone in the V line...

You do have a short chin that is round as most short chins are. From a bony standpoint a t-shaped genioplasty is needed to being it forward and narrow it. Another option is the v-shaped anatomic chin implant if one prefers a non-bone moving approach.