I have wanted to get Invisalign for years but my insurance does not cover it and it was to expensive to do. Until one day when Groupon was having a special $500 for top and $500 for the bottom. So I did some research, checked out the dentist and decided to give it try. I had braces as a teenager, I am 40 now. I was never given a retainer to wear at nigh so my one front tooth and the one next to it started to shift. I didn't really take notice to it until a few years ago when the dentist told me it was getting worse. I started my first tray yesterday. It is a little uncomfortable on the to teeth that are crooked but otherwise it is fine. If I don't keep taking them in and out to eat it is fine (great way to lose weight). I will update when I get my next tray in 3 weeks.