I can't close my lips naturally? (Photos)

Hello this is really bothering me.I am 22 years old and i cant close my lips naturally.i had this problem was from beginning itself when i was a child and my teeth were out and crooked.and i did undergo an ortho treatment and my teeth did go inside but my lips still dont come to rest naturally.i have an overbite and a gummy smile but my teeth are inside.what should i do to make my profile straight?do i have to push my teeth more inside or go through some oral surgery?plz rply soon.i m vry sad.

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