[Frequency of overjet, overbite and open bite in the deciduous dentition].

The authors studied the frequency of overjet, overbite and open bite in deciduous dentition in one hundred and twenty Brasilian white children, of both sexes, aged between 2 and 6 years old. The results showed that the deciduous dentition of that children was characterized for a moderate overjet and a light overbite and that overjet and open bite degree decrease with the increasing of the children's age.