Lima, R. F. .; Magalhães, M. B. P. .; Oliveira, D. V. .; Freitas, D. A. S. .; Ferreira, E. F. .; Martins, R. C. . Pain Perception Before Endodontic Treatment: From Primary Care to Specialized Care. Pesqui Bras Odontopediatria Clin Integr 2022, 22, e200183.