Initial and pulp chamber concentration of hydrogen peroxide using different bleaching products
Braz. dent. sci; 23 (2), 2020
Objective: This study’s aim was to quantify the hydrogen peroxide (HP) penetration into the pulp chamber of teeth submitted to different protocols of bleaching. Material and Methods: Ninety premolars were randomly divided into nine groups according to the bleaching agent protocol (n = 10): control (no ...