The socio-economic level is used to discriminate social, political, educational, consumption of products and media; Caries is a disease that occurs in all social strata. Objective. To determine the prevalence of caries with respect to the socio-economic level at university clinics. Methodology. Descriptive-transversal study. By compiling identification forms, AMAI questionnaire (8x7), CPOD. Results. 1416 patients were interviewed, with caries distributed: 74.7% UAZ, 89.1% UV, 60.4% UAS, 19.6% BUAP, 39.5% UATLX. Regarding the Socio-economic Level: in the UAZ level A/B with 34.7%, level C+ in UV, UAS, BUAP with 27.4% for UATLx level D 25.3%. Finding significance in stadistics related to CPOD with Universities. Conclusion: It was determined a high prevalence of caries on patients from different Socio-economiclevels.
