So FI and I both want to whiten our teeth leading up to our wedding (which is a long ways away, but might as well get the ball rolling!). I've tried various whitestrips when I was younger, but I could never seem to stick with them long enough to make a difference. We are both coffee and tea lovers (it's an illness, really) so especially his teeth need some serious whitening.
Here are my questions- do the "super fast working" ones actually work? Is it worth the money for whitestrips or should we do the dentist thing? Are trays better? And do the kits frequently on sale on Groupon actually work? Because I feel like those would be a good choice...
Expertise or experience appreciated!