It is not uncommon to see patients where the upper bicuspids have been removed to treat an overbite. It does 'collapse' the upper lip inwards in many cases and leaves a smaller looking lower jaw. Double jaw advancement is possible but there are other masking approaches which can be less surgery; it depends upon your tissue type and even the nasal prominence. Consult a surgeon at this stage.
what I suggest is seeing an Orthognathic surgeon immediately and not wait until ortho is done. There may be a different set up in teeth that the surgeon requires.