Dental erosion in a group of 12- and 16-year-old brazilian schoolchildren - Gurgel, Carla Vecchione; Rios, Daniela; Buzalaf, Marilia Afonso Rabelo; Silva, Salete Moura Bonifácio da; Araújo, Juliana Julianelli; Pauletto, Adriana Regina Colombo; Machado, Maria Aparecida de Andrade Moreira (Pediatric Dentristy, 2011)