I had braces for 9 years. I recently got them off on sept 2. Those invisaligns may work, but i think they would be more expensive. Just get normal braces, I have the clear plastic retainers right now to keep my teeth from moving, which i have to wear all the time, and it's annoying if i want to eat something, especially if i don't have something to put them in after taking them out. They do change the way i sound, i have a little lisp and as a resault take them out when in english cause i can't talk 100% right.
So just get normal braces and stop worrying about how you look and shi like that. If it's really gonna affect your self esteem that much then get the invisaligns, but I think they were targeted more for girls.