Birth weight and pregnancy complications associated with the enamel defects
A cross-sectional representative study aimed to assess the association between birth weight and severity of defects development of enamel (DDE) in the primary dentition. The sample was comprised 1,309 children five years of age, enrolled in kindergarten in the city of Belo Horizonte, MG, Brazil. The children were examined at school for the diagnosis of DDE. The mothers answered a questionnaire containing information of complications during pregnancy. The response variable was dichotomized in greater and lesser gravity of developmental defects of enamel, depending on the location of the DDE, when in the previous sector was considered minor and when he was in the posterior region or both, greater severity. The covariates were child gender, birth weight, prematurity, age of the mother during pregnancy and complications during pregnancy.