Background: Caries is a process of damage to the hard tissue of teeth from enamel, dentin, to cementum. Basic Health Research (RISKESDAS) 2018, the prevalence of dental and oral problems in the province of South Sumatra is 52,4%. The level of knowledge and behavior in maintaining dental and oral hygiene is one of the factors for the level of caries. The purpose of this study was to describe the…