Orthognathic Surgery? (photo)

I have always been very insecure about my appearance, but lately I have been struggling with it more than usual. I am only 22, but have had nasolabial creases probably since I was 14, and recently I have noticed I have noticeable marionette lines. I was wondering if, aside from genetics, these things could be attributed to having a small jaw? My dentist mentioned I had a small jaw growing up, and I was wondering if orthognathic surgery would improve my appearance? Would cheek implants also help?

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