Deciduous teeth have an important role in the process of growth and development of a child, requiring guidance and mentoring from parents as first educators in early childhood. This study aims to analyze the determinants of parental behavior in maintaining deciduous teeth in early childhood. Method: This was an analytic study with a cross sectional design. The study was conducted on parents of students in PAUD Gandul Sub-Distric, Cinere District, Depok City, with a total sample of 90 respondents. Collecting data using a questionnaire that has been tested for validity with product moment correlation and reliability with Cronbach Alpha Coefficient. Data analysis using Chi-Square and Logistic Regression. Results: The determinant variables that had a significant relationship with parental behavior were attitudes towards dental health with p value 0.000, access to information p value 0.033 and teacher influence p value 0.037. The variable that has the greatest influence on parental behavior is attitudes towards dental health with an OR value of 5.636. Conclusion: Parents' attitudes have the greatest influence on behavior to maintain deciduous teeth in early childhood.