Can I get away with a jaw/chin implant, or would I need orthognathic surgery? (Photos)

Hi there, I'm a 25 yo male and I was wondering if, by my pictures, you can get a general idea as to which procedure would be the most worth while. My overbite is pretty bad. I tried to measure and it looks like it's roughly 6 mm overbite and about 7-8 mm overjet. I would prefer an implant procedure but my girlfriend says I snore and stop breathing intermittently during sleep. I don't know if that matters but I haven't noticed any affective problems from my jaw. I'm cosmetically concerned.

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