Dental bleaching is an initial step in the analysis and reproduction of a smile, so it is mandatory that the dentist knows how to diagnose the causes of color change and indicate whitening before administering the appropriate dental procedure. With technological advancements, dental bleaching techniques have emerged to facilitate its use and improve comfort, safety, and time reduction in the execution of the technique.There are several bleaching techniques cited in the literature, with different agents such as carbamide peroxide and hydrogen peroxide, in varied concentrations. In addition to...