I'm not going to be much help. I had a major underbite until I was in my mid-20s, but then I had complete orthodontic work and a mandible reduction while I was in the USAF. Unfortunately, that happened during a long period when I was not playing. However, when I started playing again, it was like I had never left off. Martin Cochran can testify what my embouchure is like now, but I don't know how to tag him. I doubt that your experience will be significantly different.
David Bjornstad
1923 Conn New Wonder 86I, Bach 6 1/2 AL
2018 Wessex EP100 Dolce, Denis Wick 4ABL
2013 Jinbao JBEP-1111L, Denis Wick 4AM
2015 Jinbao JBBR-1240, Denis Wick clone mouthpiece of unknown designation
Cullman (AL) Community Band (Euph Section Leader)
Brass Band of Huntsville (2nd Bari)