Background The pandemic situation was that the lack of oral hygiene care can cause several problems. Children aged 3-6 years found cavities with a proportion of 70%. The high prevalence caused by several factors and children's bad habits, as well as the limitations of children in maintaining hygiene and dental health.Objective This study was to identify dental and oral health data for preschool aged children aged 3-6 years during the COVID-19 pandemic at SPS Nusa Indah.Method Analytic observational with cross-sectional design. The population was all students of SPS Nusa Indah. The inclusion criteria were ages 3 to 6 years, male and female, and their parents/guardians gave informed consent. Test validity and reliability with questionnaires about oral health during the COVID-19 pandemic. Analytical method data analysis in the form of frequency distribution. Ethics permit was 321/EC-KEPK FKIK UMY/XII/2021. ResultsThe results of this study consisted of 40% boys and 60% girls. The sociodemographic of parents' education and occupations that 85% high school, and 50% self-employed. The distribution of dental and oral health was 2.22 + 0.54. The average dental and oral health score of all subjects was 1.76 + 2.71. Measuring the overall health of men 3 + 1.08; women 3.37 + 1.55. Early childhood caries showed boys with rampant caries 4 + 1.03 and 3.3 + 1.55 for girls.Conclusion Research on the dental and oral health of children aged 3-6 years during the pandemic shown was classified as low with an average of 2.22 ± 0.54.