How is “Lefort 1” supposed to fix my recessed maxilla

[CookieGuy]

My Face profile is FLAT. Remember that now.. won’t bringing the tooth area forward only make my upper half look even more recessed?

Can someone explain why lefort 1 is suggested to people with recessed maxillas

 

[NoaA99]

You can never fully replicate proper development.
Lefort 1 is a compromise between functional/ visual improvement and risk profie