A review of the effect of vital teeth bleaching on the mechanical properties of tooth enamel

摘要: Tooth whitening is considered the easiest and most cost-effective procedure for treating tooth discoloration. Contemporary bleaching agents contain hydrogen peroxide as active ingredient. It either applied directly or produced from its precursor, carbamide peroxide. A review of published literature was undertaken to investigate potential adverse effects products on dental enamel, with a focus mechanical properties influence various parameters study outcomes. There appear be considerable differences in opinion whether changes occur result whitening. However, property findings those studies related load during indentation tests. Most which used loads higher than 500mN determine enamel hardness showed no effect bleaching, whereas using lower were able detect reduction surface layer enamel. In conclusion, reduces that more readily detected instrumented low testing systems. This may arise due degradation denaturation matrix proteins by oxidation.