Study: Teeth whitening does not damage enamel surface

A new in vivo study in the current Journal of the American Dental Association (June 2012, Vol. 143:6, pp. 580-586) showed that teeth whitening gels do not alter calcium and phosphorus concentrations on the surface of enamel.

Researchers from São Leopoldo Mandic Institute and Research Center in Brazil examined the changes in calcium and phosphorus concentrations in enamel after the use of home-use and in-office teeth bleaching treatments inside the …