Can I fix my slanted front teeth without braces? (Photo)

I'm really self conscious about my smile and I really want to do something about it. The bottom row don't bother me, it's my two front teeth that I hate. They slant to one side and make my smile look crooked. I did have braces when I was younger which fixed an overlap but I couldn't stand the tight retainer as I'm claustrophobic so I didn't wear it as much as I should have. Can I fix this without braces?

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