I have a mild-ish cross bite, where my bottom mid-line is in the right place, but my top mid-line is 1/4 inch to my right. I also have some teeth that have shifted due to my unaligned bite.
I recently went to an orthodontist who said a simple treatment of Invisalign would fix my problem. I went to go get a second opinion, and that orthodontist said he would definitely recommend getting an expander and braces at the same time.
I'm a college student, and while I realize this time isn't as crucial as my adult years where having braces is less appropriate, I am extremely vain (at least I admit it

The orthodontist who said I needed an expander and braces also said that he wouldn't recommend Invisalign for my case. But when I asked why, he just said it may not turn out as well as it would with conventional braces. And when I asked what the difference would be, he says he doesn't know.
I'm extremely torn because while I want the best thing for my teeth in order to achieve the most perfect smile (vain, I know...), I also want something like Invisalign where no one can see that I have something on.
Has anyone else gone from the expander & braces route to the Invisalign route? Or possibly even expander & Invisalign route? What could the differences be between getting braces and Invisalign in terms of differing results?
Thanks!!