Objective: To review current models and scientific evidence on the influence of mother’s knowledge of oral health behaviors on their preschool children’s oral health.Method: MEDLINE, EMBASE and Scopus databases were searched for articles published between January 2009 and December 2019 on mother’s oral health behavior.Results: A total of 324 citations were retrieved, with 17 articles finally included in the analysis. The studies utilized various methods, including text messaging, phone conversation, of which motivational interviewing method was more effective in their knowledge and behaviors about their preschool child’s oral health.Conclusion: Mother’s knowledge has a direct effect influence on their preschool children’s oral health. Oral health education programs aimed at preventive actions are needed to provide children not only with adequate oral health, but better quality of life. Special attention should be given to the entire family, concerning their lifestyle and oral health habits.