Estudo das características morfofuncionais da dentição decídua de pré-escolares das escolas municipais de educação infantil de Canoas - RS.

Abstract

The aim of the present study was to evaluate the primary dentition morphofunctional characteristics of 3 to 5 years of age children, from both genders, matriculated in the Municipal Nursery Schools of Canoas, Brazil. 923 children were examined and the data assessment was supported by the visual clinic examination, done in the schools. According to the obtained results, arch type II showed a significant greater proportion, either in the superior or inferior arch, and 90,3% of the examined children presented primate spaces. The Class I canine relation and the flush terminal plane of the second primary molars were more frequent, in both sides. Related with overjet, the accentuated was more frequent (61,6%), so was the negative overbite (37,9%). The anterior open bite was verified in 37,9% of children, and its presence decreased with age. The posterior crossbite was observed in 15,3% of children, without significant association with age.