[Association between overweight and early childhood caries].

Objective: To determine whether overweight is a risk factor for the development of early childhood caries (ECC) in preschoolers.

Patients And Method: An observational retrospective cohort study was performed in 196 children under 2 years of age at Calbuco Hospital, Los Lagos Region, Chile, who were admitted between 2007 and 2009. Patients were grouped based on their nutritional status at admission in the two following categories: eutrophic and overweighed children as a result of excessive intake.