Remineralizing agents have limited effect after whitening
Using remineralizing agents following in-office teeth whitening with 35% to 38% hydrogen peroxide does not help tooth enamel fully recover its microhardness over time, according to a new study in Acta Odontologica Scandinavica (March 2013, Vol. 71:2, pp. 343-348). Previous studies have shown that bleaching with high amounts of hydrogen peroxide can alter enamel morphology and mineral content, according to the study authors, from the University of Pernambuco and Potiguar

