In this webinar professor Dahl goes in depth about external and internal tooth bleaching. He talks about why bleaching agents work, and how to avoid adverse effects.

In NIOM’s newest webinar, professor Jon E. Dahl talks about tooth bleaching. Available on NIOM’s YouTube channel @NIOM_Biomaterials from February 18th.

If you have any questions after watching the webinar, you may email them to

Norwegian dentists may collect continuing education points by answering the question in the notes and email it to before March 18th. (By mistake an inactive email was listed in the newsletter. This is the right one).

The webinar is available via direct link: