Introduction: Many patients wearing orthodontic appliances request alterations in the shade of their teeth during orthodontic treatment.
Objective: This study aimed to evaluate the efficacy of different products for bleaching and whitening under orthodontic brackets.
Methods: Seventy bovine incisors were randomly divided into five groups (n = 14): C) non-whitening toothpaste (control); WTsi) hydrated silica whitening toothpaste; WThp) 2% hydrogen peroxide whitening toothpaste; OB) in-office bleaching; and HB) at-home bleaching.