1. Brazil Ministry of Health Breastfeeding prevalence in Brazilian capitals. Brasília. Annual report of health statistics in brazil; 2009 http://bvsms.saude.gov.br/bvs/publicacoes/pesquisa_prevalencia_aleitamento_materno.pdf
2. Effects of current and former pacifier use on the dentition of 24- to 59-month-old children;Adair;Pediatr Dent,1995
3. Breastfeeding patterns in relation to thumb sucking and pacifier use;Aarts;Pediatrics,1999
4. Effects of different pacifiers on the primary dentition and oral myofunctional structures of preschool children;Zardetto;Pediatr Dent,2002
5. Nonnutritive sucking habits and anterior open bite in Brazilian children: a longitudinal study;Katz;Pediatr Dent,2005