Children with either the complete primary or mixed dentition who were not in dental treatment were included in the study and divided into two groups: those with bruxism and those without bruxism. For the diagnosis of bruxism, a questionnaire was administered to determine the occurrence of teeth clenching/grinding and a physical exam was performed for the determination of dental wear based on the criteria of the American Academy of Sleep Medicine. Dental caries were determined based on the criteria of the World Health Organization