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Study: Bleaching does not Damage Enamel surface

June 15, 2012 -- Bleaching gels do not alter calcium and phosphorus concentrations on the enamel surface, according to an in vivo study in the current Journal of the American Dental Association (June 2012, Vol. 143:6, pp. 580-586).

Researchers from Sao 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 bleaching treatments inside the mouth.

"A lot has been said about the effects of dental bleaching on enamel, and we need to clarify such effects in vivo," said study author Flavia Lucisano Botelho do Amaral, DDS, in a interview.

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By Rabia Mughal, via