How can I get rid of teeth problems? My upper teeth bow outward and the lower teeth are separated (Photo)

How can I treat on my teeth so that I can feel free in life ? My upper teeth bow outward and the lower teeth are separated in gap (distance) as in the picture I upload. It is also yellowish in color but i have a routinely brush evryday. Tell me some remedies to get rid of or any treatment which can solve my problem ?

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