One of the most effective factors in people's oral and dental health is their health literacy. The present study was done to determine the oral health literacy of mothers and its relationship with children's oral health status. This study was cross-sectional (descriptive-analytical). Oral and dental health literacy of mothers was determined by the oral and dental health literacy questionnaire of adults and the state of their children's teeth, and the number of decayed teeth, missing teeth, and filled teeth were recorded. The data were analyzed using SPSS23 software and by one-way analysis of variance and Pearson correlation tests. The average oral and dental health literacy of the studied mothers was 46.66 ± 21.895 and the average number of decayed teeth, filled teeth, and missing teeth in their children was 3.84 ± 1.424. There was an inverse and significant relationship between oral and dental health literacy of mothers with the overall score of the number of decayed teeth, filled teeth, and missing teeth of their children (P = 0.007). The results showed that the oral and dental health literacy of mothers has a direct and meaningful relationship with their education (P < 0.05). According to the findings obtained from the current study, there is a significant relationship between the oral health literacy of mothers and the oral and dental health status of their children. Therefore, planning to increase the oral health literacy of mothers seems necessary to improve the oral and dental health of children.
