Adding laser energy to in-office teeth whitening does not improve the whitening effect, according to a study in Lasers in Medical Science (July 2010, Vol. 25:4, pp. 503-509). Researchers from Aachen ...

I traveled to Mexico and decided to get my teeth whitened with a laser. It cost $200, which was cheaper than in the US, and I liked the results. Still, the experience left me wondering if I was going ...

When used to activate bleaching gel, low-level laser energy increases the effectiveness of teeth whitening, according to a study in the Journal of Esthetic and Restorative Dentistry (June 15, 2011).

The popularity of teeth whitening procedures stimulated the development of professional teeth whitening technologies and OTC (over-the-counter) products. Discoloration and dental staining can happen ...