Oliveira, Maria Antonieta Veloso Carvalho de, et al. “Effects of Bleaching Agents and Adhesive Systems in Dental Pulp: A Literature Review”. Brazilian Journal of Oral Sciences, vol. 11, no. 4, Oct. 2015, pp. 428-32, https://periodicos.sbu.unicamp.br/ojs/index.php/bjos/article/view/8641164.