Reversal of Lefort I and BSSO?

Based on these photos, you seem to be a good candidate for rhinoplasty. beside small chin asymmetry on frontal view, it is impossible to notice other irregularities of the chin. In person consultation with a board certified plastic surgeon (or teleconference), expert in rhinoplasty, will give...

In most cases the mentalis muscle reinserts into the bone and function is normal. The risks of problems is diminished when the the bone reduction/ burring is done from a submental incision. Ptosis of the chin is a potential complication and this may require chin resuspension. It is not common...

This answer requires a very detailed examination, however, it is possible theoretically that you could benefit from Buccal Fat Removal or Botox injections to the Masseter.

Providing that your chin mass is entirely fibrous, scar tissue, it can be treated with injection of corticosteroid (Kenalog) until it is significantly reduced. In person consultation with a board certified plastic surgeon is recommended.

Loss of weight can have an effect on the appearance of the face and the neck where loss of volume can create drooping of the skin and loss of definition of the jawline. The gold standard of improving this would be a Lower Face and Neck Lift, however at your age, non-surgical tightening...