How can I fix my shifted midline without braces? (Photo)

Hi! Sooo I have a missing lateral incisor that has cause my teeth to shift, I did get braces because my teeth were crooked bc of it. He said that it would be hard to fix the midline because of certain teeth that would need to be extracted causing me to have gaps and suggested that I shouldn't do it because of the time it would take. Is there any other way? I really don't want to want braces again, but i am very self cautious about my mid line! Your advice is appreciated thanks!

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