Objective: To analyze the relationship between caries experience and social insertion in 12-year-old schoolchildren from an urban population in the Ecuadorian highlands. Materials and Methods: A cross-sectional descriptive design was conducted in 2023 with 12-year-old students in the Bellavista parish, Cuenca, Ecuador. Caries experience was measured using the severity levels of the WHO (World Health Organization) DMFT index. At the same time, social insertion was determined through the INSOC (Social Insertion) survey. The total population included 458 data points for the caries experience evaluation phase and 422 for the social insertion phase. Pearson's chi-square and Mann-Whitney U tests were applied. Results: A percentage of 60.7% of schoolchildren had current caries. Regarding caries experience, 43.7% showed a shallow level, and 11,8% a very high level. Regarding sex, no statisticall...