How can I fix my facial asymmetry? Also, what is causing it? (Photos)

I have had noticeable facial asymmetry for a few years now. I'm not sure if it is getting worse or if it is just getting to me, but since I'm only 20 years old, I suppose anything is possible. As you can tell from the photos, the right side of my face is clearly larger than the left, from my scalp to my chin. I'm very self-conscious about this and I want it fixed, but I have no health insurance and I'm scared of plastic surgery because of the accidents and infections I've heard about. Help?

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