The side of my teeth go inward and touch? Do I have crossbite AND underbite? (photos)

It is hard to explain so I will have a photo and I know I have an underbite, and I'm seeking treatment for that. Although my teeth are aligned so weird the side set of teeth both go inward and they touch each other, but the front set of my teeth don't touch (underbite) do I have a mixture of a cross bite or something, and how long would you estimate I have to stay in braces because I had them when I was younger and don't want them again

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