What can I do to fix my jaw? I hate the way I look. Can someone also tell me about my gummy smile? (Photo)

For as long as I can remember I've always been sad cause I knew my jaw was not like everyone else's , my orthodontist said I would need orthognathic surgery to fix it but I'm scared cause I've read that the lower jaw has a higher risk of complications... And I'm also scared to get double jaw surgery or jaw surgery in general but i wanna get a better jaw it hurting my self esteem and I also get headaches and neck pains and sometimes jaw pains how long will I need braces ??

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