Everyone's experience is going to be different. Here is what I think.. If you wore braces as a kid, then I think that you will have better results and be a whole lot happier with the invisalign than those that didn't wear braces.. The reason is that your jaw has already been moved, your teeth are set in place and probably don't need that much movement. Also, I think closing gaps is easier and has better results that trying to uncrowd teeth that are laying on top of one another.
Does it hurt? Yes, your teeth and bones have to move. The first trays are the worst, then after that it hurts for the first few days.
Are the bottons noticeable? Yes, if they are on your front teeth.
Are the buttons rough? They shouldn't be, if they are go back to the ortho and have them smoothed out.
Do the bottons fall off? They shouldn't, and if they do, then the ortho didn't put them on securely.
Will my teeth be perfect at the end? Who knows.. mine aren't. I am on my last tray on the bottom #14 and the one tooth I was trying to correct, is still crooked. I have 2 more trays on top and they are nowhere near straight. The ortho told me a month ago that 25% of all patients need more trays. Wish I knew that upfront.
My trays made me lisp, dried out my mouth and made my lips dry and cracked.
I found the trays to be claustrophobic, plastic in your mouth 24/7 isn't fun. I found it annoying to go out to dinner, and I definitely think it was a hassle overall to always have a toothbrush and paste in my purse.
Do I think they are better than traditional braces? Probably, since I have nothing to compare them too and I did choose them. Am I completely satisfied? Not at this point, but I am sure I will be after the next set of impressions and trays. The end result will be straight teeth, which is what I wanted, doesn't really matter how I got there.
Overall, I think wearing braces sucks, whether they are metal, clear of invisalign.