The stomatognathic system is constituted by interconnected anatomical elements, its functions are chewing, swallowing, breathing and speaking. During these the mandibular closure occurs, contacting the arcades, (occlusal relationship). Occlusal abnormalities begin at an early age, causing dentofacial deformities that interfere with overall well-being, affect aesthetics, chewing, respiratory, speech or physical and psychological balance functions. Dental malocclusion is any deviation from the ideal occlusion, alters the intercuspidation of the teeth. In Mexico, 60% of the population presents some malocclusion, placing as a health problem, associated with oral habits. In Veracruz there is no documented evidence of this problem.
Objective: To evaluate the prevalence of malocclusion in children in Veracruz.
Material and Methods: Epidemiological, observational, cross-sectional, comparative and retrospective clinical study in 85 patients aged 6 to 11 years, served in CAE during 2011-2015.
Results: Obtaining that 53.95% presented Class I, 37.8% Class II and 8.2% Class III, 38 of the cases (43.7%) presented oral habits with a higher prevalence in the male sex, being the lingual projection the most frequent, 21.1% in ages of 6 to 7 years.