How long will I need braces for jaw surgery and what type of surgery do I need?

I had my braces taken out about 7 years ago. I had an underbite but braces fixed that- kind of! They mostly just made my teeth lean back, I haven't done anything about it bc/ my jaw pain went away but That's recently came back. I'm in pain all the time I get ear aches, my jaw pops, I choke on my food like I did pre-braces. My teeth are still straight so How long will I need braces for until I can get surgery. Also I have a Tom Cruise thing going on with my upper set of teeth! Thanks!

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