I had braces for almost 2 years from 7th to 9th grade, but they became very crooked again on both the top and bottom by young adulthood. I am pretty "old" for braces and didn't want to go through that again. I chose to try Invisalign, which I've had now for about 6 months. Although I'm not quite finished with treatment, both my upper and lower teeth look very straight. My husband, friends, family and I can't believe how FAST they worked! Also, they are not at ALL painful like the braces I remember from years ago. I wish I had done this a long time ago. The folks at Carlson are super friendly!