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Changes in bleached enamel microhardness after application of fluoride and CPP-ACP
2012
unpublished
and Aim: Tooth bleaching decreases enamel microhardness. The aim of this study was to evaluate the changes in microhardness of bleached enamel after ap plying fluoride and CPP-ACP (casein phosphopeptide-amorphous calcium phos phate). Materials and Methods: In this in vitro experimental study, sixty extracted human molars were divided into six groups. The flatted occlusal surface was covered with nail varnish. Group 1 and 2 served as positive and negative control groups. Group 2, 3 and 4
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