As malocclusionsare a health problem in the population and as there is a close relationshipbetween them and the persistence of deforming oral habits, an educative interventionwas carried out in children aged 5-6 affected by them. A longitudinal, prospectiveand descriptive study was undertaken in a primary school of the health areaof Santa Martha, Varadero municipality, province of Matanzas, during the academiccourse 2005-2006. The study group was composed of 120 children of kindergartenand first grade. A sample of 87 school children with oral deforming habits wasobtained. The use of nursing bottle prevailed in children at these ages (65.6%) compared with the rest of the studied habits. It was observed a reductionof these habits at the end of the intervention.
