The prevalence of dental and oral problems in Indonesia is still very large. Based on the 2018 Basic Health Research (Riskesdas), 57.6% of Indonesians have dental and oral problems. According to Riskesdas 2018, children who have dental problems reached 93%. The strategy to overcome this problem is through a dental health education approach. The success of health education is influenced by attractive media so that the delivery of material is more effective. Media education that is currently developing among elementary school students is technology-based media. Objective: Producing an android-based Yani'S DH EDU model with a proper design and application can improve changes in dental health maintenance behavior of elementary school students. Methods: Research and Development (R&D) and expert validation, model testing using a quasi-experimental design with a pre and post-test design with control group design. The number of respondents was 84 elementary school students who were divided into the intervention group (Yani's DH EDU model) and control group (dental health education booklet). The instrument in this study is a questionnaire that has been tested for validity and reliability

Keywords : Elementary School Students; Yani'S DH EDU; Android; Behavior.