Pulp Calcification in Traumatized Primary Teeth: Prevalence and Associated Factors - Mello-Moura, A. C. V; Bonini, G. A. V. C; Zardetto, C. G. D. C; Rodrigues, Célia Regina Martins Delgado; Wanderley, Márcia Turolla (The Journal of Clinical Pediatric Dentistry, 2011)