A descriptive and cross-sectional study of eighty six 5 -11 years children with deforming oral habits who belonged to the health area from "René Vallejo Ortiz" No.3 University Polyclinic, Granma was carried out in the period from January to June, 2013, in order to identify these noxious habits and their oral manifestations in this age group, for which the variables: age, sex, main habits and clinical characteristics were considered; that were statistically related and analyzed. Among the excellent results there were the female sex, 9 years age and the habits digital suction and protractile tongue; likewise, males presented more frequently more than one deforming oral habit, mainly in the 9 years, and the predominant clinical characteristic in both sexes was the vestibular version of the upper incisors. [ABSTRACT FROM AUTHOR]