Background Caries and persistence of teeth are vulnerable in 9-10 years because the students knowledge about oral and dental health is still low leading to mouth and tooth problems. Dental and oral health education using SOGI (Gosok Gigi) needs to be given as an effort to improve the maintenance of oral health. SOGI is an educational media in the form of a flipchart containing information on how to brush teeth properly as well as a place to write school schedules. Objective This research aims to find out the effects of dental and oral health education using educational media of lesson schedule SOGI on students knowledge of oral and dental health aged 9-10 years in SDN Ngebel Ngede I Sleman Yogyakarta. Research Method This is a quasi-experiment research with one group of pretestposttest design. This research was done in SDN Ngebel Gede 1 Sleman Yogyakarta with 37 respondents as the research sample selected through non random sampling namelu purposive sampling technique. Result After the analysis using Wilcoxon test, it is found that p < 0,05. It means that there are a differences on students knowledge before and after given educational media of lesson schedule SOGI. Conclusion There are effects before and after using educational media of lesson schedule SOGI on students knowledge aged 9-10 in SDN Ngebel Gede 1 Sleman Yogyakarta.