To investigate the current status of dental caries and gingivitis of pupils from 6 secondary schools in Gialai province in 2017. Subjects and methods: A cross-sectional study was used. Data were collected from clinical examination for dental caries and gingivitis of 1,992 pupils at 6 secondary schools in Gialai province. Results: The prevalence of pupils with dental caries, gingivitis and periodontal diseases were , , and , respectively. The dental lesions were various, including advanced dental caries (S2), root present and severe dental caries (S3) were , and , respectively. The indices of detached dental caries in pupils with permanent teeth was higher than that of pupils with deciduous teeth ( compare to ). Conclusions: Prevalence of dental caries, gingivitis and periodontal disease of pupils from 6 secondary schools in Gialai province was high. | Dental caries and gingivitis of pupils from secondary schools in Gialai province in the year 2017
