Fao tooth975 - adult orthognathic surgery or functional orthodontics, can you tell me?

No: We can't advise you sight unseen and without a proper diagnostic Orthodontic workup. If Orthognathic surgery is determined necessary, "functional" Orthodontics would unlikely get you the same results. Consult at least one if not two or more Orthodontic specialists. Surgery in addition to Orthodontics usually go hand in hand in these types of cases.

See orthodontist: A healthy bite and good looking smile is important at any age. A variety of orthodontic treatments are available today for all ages and all situations. Check with your Board Certified orthodontist about the best way to achieve your treatment goals. The cephalometric analysis will support your diagnosis and the decision will be made. It is almost always recommended to start with conservative.

Depends on growth: Functional Orthodontics is most effective in growing children. If there is a large jaw discrepancy in a non-growing person it typically requires Orthognathic surgery for proper correction.