Abstract: PURPOSE: In regard to the current problems and deficiencies of preschool children's oral health, diversity of health education intervention was carried out, and the effect was evaluated. METHODS: Three kindergartens in Pudong New District were randomly selected. The children's age ranged from 4 to 5 years old. One hundred and ten children from one kindergarten were randomly selected as the intervention group, executing special health training and various related health education activities for a period of 1 year. Another 220 children from 2 kindergartens were chosen as control group, no special health education and behavior intervention were given. After the interventional period, the situation of children with suffering from dental caries in the intervention group and the control group, scores of oral health knowledge, and the improvement of behavior were compared. SPSS19.0 software package was used for statistical analysis. RESULTS: After 1 year of health education intervention, scores of oral knowledge and oral health behaviors in the interventional group increased significantly. However, caries prevalence and the average number of caries had no significant differences between the 2 groups. CONCLUSIONS: The diversity of oral health education plays a positive role in the kindergarten for pre-school children's oral health knowledge, attitude and behavior change.

Key words: Pre-school children, Oral healthcare, Health education