The vertical facial growth pattern can require a 'bite' change correction; and a 'shortening' of the chin to 'level the slope' of the jawline. Talk to a Maxillofacial surgeon who can assist and use Xray images to review with you
The left half of your facial bones is larger than the right. This is correctable by shaving the jaw bone all the way to the chin on the left side and moving the cheekbone inward on the left side as well. Most of the procedure is performed from inside your mouth. It is about a 2-3 hour procedure ...