How do tanning beds whiten your teeth?

I was talkin to a friend of mine last night. She told me that at many tanning salons she's been to, they give you these things to put in your mouth that expose your teeth while tanning because the UV light helps to whiten your teeth? I have never heard anything like this. read more

It is actually not that tanning beds that makes your teeth white. When light is used together with a whitening gel or a bleaching agent, teeth whitening can be achieved in a shorter period of time. However, without the UV light, teeth whitening can still be achieved but you need to be patient. read more

I have never heard anything like this. I'm wondering if this is just a ploy invented by our Fake 'n Bake happy society. read more