@article{article38c080ce,
title   = {Bleaching of severely darkened nonvital tooth case report: 48 months clinical control},
author = {Machado, Alana Cristina and Braga, Sheila Regina Maia and Ferreira, Daniele and Scaramucci, Taís and Jacintho, Felipe Fernandes and Sobral, Maria Ângela Pita},
year = {2020},
doi = {10.1111/jerd.12609},
journal   = {Journal of Esthetic and Restorative Dentistry}
}