Antonia María Lamorú-PardoYousemy Álvarez RomeroDarianna Rubio-DíazAliannys González-AlvarezLauren Pérez RoqueLuisa Sucel Vargas-Labrada2026-03-222026-03-22202310.62486/agodonto202308https://doi.org/10.62486/agodonto202308https://andeanlibrary.org/handle/123456789/58771Citaciones: 1Introduction: dental caries is the most common disease in children. Obesity is a worrisome disease in children. Objective: determining the relationship between dental caries, nutritional status and oral hygiene in primary schoolchildren. Method: a study with a non-experimental cross-correlational design was carried out in elementary school students from La Demajagua, Isle of Youth, in 2022. The sample was 100 children, being the same probabilistic and random. Results: the male sex represented 52%, 81% had a high risk of caries involvement and the age group 9-11 was the most affected with 42%. 81% presented deficient oral hygiene and 41% were overweight or obese. Conclusions: no significant relationship between nutritional status and the degree of involvement of dental caries, but there is, between the latter and oral hygieneenHygieneOral hygieneMedicineDentistryDental hygieneEnvironmental healtharticle