Lately, everybody seems to be on a quest for the perfect smile. And at-home whitening procedures are a big part of that -- in fact, it's a multi-billion dollar industry. But here's a fact that you might not know: at-home teeth whitening is not a regulated industry. Why? Because the ADA feels that teeth whitening is something that should only been done after a consultation with a dental professional. But how may people have consulted their dentist before picking up a pack of Whitestrips? My guess is not many.

So it's important to consider what you're getting yourself into when you embark on a teeth-whitening program. It's also important to consider the risks and side effects.

WebMD has a great, in-depth article on teeth whitening and it's safety. The low down?

• Kids under 16 and women who are pregnant shouldn't whiten at home.
  
• Neither should those with tooth sensitivity or any sort of gum or enamel problems.
  
• Cavities need to be treated by the dentist before being whitened.
  
• If you notice increased tooth sensitivity or a change in the colour of your gums, stop whitening and see your dentist immediately

But there's more. Read the full article.