Background and ObjectiveTodays, dental care is an essential need to maintenance of children's health. One of the blocker of providing a good dental care not only is the children's anxiety, but also the parents's anxiety. So the aim of this study was to comparison of the impact of mother or father anxiety also presence on children cooperation at dental care unit. Materials and MethodsThis cross-sectional study was performed among 55 mothers and 53fathers with their 4 to 10 year old children in 2012 and 2013 in city of Zanjan / Iran. The anxiety was measured by dental fear survey and DASS-21questionnaire. The chi-squared test was used to compare data from the stress scales (p ≤0.05). linear regression analyses were used for best predict the value of the study variable. ResultsProximately half of mothers and about ¾ of fathers had no anxiety in their children dental care. There was relationship between the gender of children, the education of mothers and fathers and the number of children, with children's dental care cooperation. There was difference between mother or father accompanying on children cooperation (P<0.0001). Conclusionwe must reduce mother's anxiety for providing the sufficient children dental care. Father makes more children cooperation so fathers accompany is more effective on children well behavior at dental care. We suggest father accompanying would be a solution in child dehtal caring.