How can I fix my crooked smile? (photos)

I used to chew on plastic bottle caps for a long time, so I feel like I could have worked one side of the muscles more than the other side. The questions I have: 1. Is this bone asymmetry 2. Facial muscle asymmetry? 3. What side looks like I should build more muscle on (focus on shewing on that side more) I know my nose is slightly crooked. So it throws me off with the rest of my face.

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