Scientific Studies

Here are links to several scientific studies undertaken at research centers and universities. These studies mostly demonstrate how hydrogen peroxide is much superior to carbamide peroxide, and that light-activated teeth whitening really works.

• Light enhances the tooth-whitening effect of peroxide:
  http://jada.ada.org/cgi/content/abstract/134/2/167   

• Light enhances the tooth-whitening activity of bleaching kits:
  http://iadr.confex.com/iadr/2006Orld/techprogram/abstract_72887.htm

• Hydrogen peroxide gives better results than carbamide peroxide:
  http://iadr.confex.com/iadr/2003Goteborg/techprogram/abstract_36990.htm

• Hydrogen peroxide safe, even when used over a long period of time:
  http://iadr.confex.com/iadr/2006Orld/techprogram/abstract_75233.htm

• Hydrogen peroxide effective:
  http://iadr.confex.com/iadr/2006Orld/techprogram/abstract_75244.htm

• Hydrogen peroxide effective, even in low concentrations:
  http://iadr.confex.com/iadr/2006Orld/techprogram/abstract_76356.htm