Socio-economic inequalities in dental pain in children: a birth cohort study - Costa, Francine dos Santos; Costa, Caroline dos Santos; Chisini, Luiz Alexandre; Wendt, Andrea; Santos, Ina da Silva dos; Manitto, Alicia Matijasevich; Correa, Marcos Britto; Demarco, Flavio Fernando (Community dentistry and oral epidemiology, 2022)