1. The effects of seven carbamide peroxide bleaching agents on enamel microhardness over time;Basting;JADA,2003
2. Enamel microhardness and shear bond strength after treatment with an 18 percent carbamide peroxide bleaching varnish;Sasaki;Am J Dent,2007
3. Micromorphology and microhardness of enamel after treatment with home-use bleaching agents containing 10 percent carbamide peroxide and 7.5 percent hydrogen peroxide;Sasaki;J Appl Oral Sci,2009
4. Effect of various tooth-whitening products on enamel microhardness;Grobler;SADJ,2009
5. Changes in surface morphology and mineralization level of human enamel following in-office bleaching with 35 percent hydrogen peroxide and light irradiation;Berger;Gen Dent,2010