1 Department of Pediatric Dentistry and Orthodontics, School of Dentistry, Federal University of Minas Gerais, Minas Gerais, Brazil. paulaonofri@hotmail.com.
2 Department of Pediatric Dentistry and Orthodontics, School of Dentistry, Federal University of Minas Gerais, Minas Gerais, Brazil.
3 Department of Restorative Dentistry, School of Dentistry, Federal University of Minas Gerais, Minas Gerais, Brazil.