%0 Journal Article %T Prevalencia de h¨¢bitos orales infantiles y su influencia en la dentici¨®n temporal %A Franco Varas %A V. %A Gorritxo Gil %A B. %A Garc¨ªa Izquierdo %A F. %J Pediatr¨ªa Atenci¨®n Primaria %D 2012 %I Asociaci¨®n Espa?ola de Pediatr¨ªa de Atenci¨®n Primaria (AEPap) %R 10.4321/S1139-76322012000100002 %X abstract objectives: to assess the prevalence of anomalous oral habits and the influence of nonnutritive (pacifier and digit) sucking habits on primary dentition in a sample of preschool-age children. materials and methods: design: cross-sectional, descriptive, observational epidemiological study; location: three schools of the basque country; participants: 225 children of ages ranging from two to six years with fully erupted primary teeth. main measurements: the data were obtained through a habit questionnaire given to the parents, and clinical examinations performed on the children during which occlusal abnormalities such as anterior open bites, increased overjets and posterior crossbites were recorded. results: the prevalence of deleterious oral habits in the studied sample of children was very high (90.7%). nonnutritive sucking habits (of pacifier, digits) were shown to be the most frequent among them (85.3%). we found a significant increase in the studied malocclusions when the sucking habit persisted. conclusions: nonnutritive sucking habits influence the development of teeth, and therefore we recommend that such habits be discontinued early (before two years of age) to prevent the development of dental malocclusions. %K nonnutritive sucking %K primary dentition %K malocclusion. %U http://scielo.isciii.es/scielo.php?script=sci_abstract&pid=S1139-76322012000100002&lng=en&nrm=iso&tlng=en