1. Department of Paediatric Dentistry and Orthodontics, School of Dentistry, Federal University of Rio de Janeiro, Rio de Janeiro, 21941-901/RJ, Brazil
2. Department of Clinics and Pediatric Dentistry, Fluminense Federal University (UFF), Niterói, Brazil
3. Caixa Postal 68066 Cidade Universitária (CCS), Rio de Janeiro
RJ, CEP: 21941-971, Brazil