The recent issue with Menaflex (knee medical device) has arisen a lot of questions about the fast-track processes 510(k) and pressure from Congress. For more information:
http://online.wsj.com/article/SB125382260933538517.html

How healthy is your mouth?

September 28, 2009

If you are not sure whether your teeth are ok, take a look at the following link, which shows some of the most common abnormalities: http://www.invisalign.co.uk/en/WillWork/Pages/Orthodontic-Treatment.aspx
and the benefit of having a healthy mouth:
http://www.invisalign.co.uk/en/WillFit/Pages/Health-Benefits.aspx
80% of orthodontic treatments are now possible with clear aligners: http://www.invisalign.co.uk/en/what-is-invisalign/Pages/What-Is.aspx
For some scientific and clinical evidence, refer to: http://www.aligntechinstitute.com/ClinicalEvidence/Pages/Overview.aspx