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Abstract
Dental and oral health in children is an important factor that must be considered, because tooth decay that occurs at the age of children can affect further tooth growth. Objectives: This study is a quasi-experimental with a pre-post-test group design with aims to analyze the effect of using interactive audiovisual media on the level of knowledge and attitudes of children in improving children's dental and oral health. The sample of this study was 30 grade III elementary school students who were divided into 3 groups, namely group I (whatsapp group media), group II (lecture + video) and group III (control). Data analysis used the dependent T test, independent T test, and one way ANOVA test with a significance of p <0.05. The results showed that the level of knowledge of children before and after the intervention experienced a more significant difference (p<0.000), compared to the attitude variable (p>0.05). The average difference between pre and post intervention based on knowledge, attitude and dental plaque index variables showed that group II had the highest average difference. Conclusion: The conclusion in this study is that the use of lectures accompanied by videos is better in increasing children's knowledge and attitudes in maintaining dental and oral health than audiovisual media What's up group.