Midline smile correction; what can I do about the misalignment of my arches? (Photos)

I had braces in my 20s. They used an upper arch expander and closed a space on the left where I was missing a molar by pushing adjacent teeth together. Even before then I had an off center midline but maybe closing the gap made it worse? I have somewhat strangely formed arches, probably genetic (my sister's are similar). My teeth are very healthy and they close with no jaw pain. However, I'd like know what I can do about the misalignment of my midline and the odd shape of my arches.

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