In general scars, do not go away. They become less noticeable. It depends where the scars are placed and the extent to the procedure that is chosen to correct the jaw.

Any type of any scar irrespective of where it is takes time to mature and heal. Unfortunately, a scar is always a scar, and it will depend on how you heal where it is, and many other factors which can contribute to it. This is a very difficult Question to answer. Sometimes you can hide them so you can’t see them, but a scar will always be a scar and never the type of tissue that it was prior.