Article on the bbc website about a which survey
http://news.bbc.co.uk/1/hi/health/7881865.stm (http://news.bbc.co.uk/1/hi/health/7881865.stm)
Personally I agree with the Chief Dental Officer who says "These findings come from an online multiple choice survey that has no statistical credibility. It is ludicrous to suggest that three million people are doing DIY dentistry."
Do that many people really resort to DIY dentistry

If you have tried it or know someone else that has then please let us know.