SITUATION OF DENTAL CARIES AND GINGIVITIS AMONG ETHNIC MINORITY STUDENTS AT BOARDING SECONDARY SCHOOLS IN TUYEN QUANG PROVINCE IN 2017

Tóm tắt

Objectives: To describe the current status of dental caries and gingivitis among ethnic minority students at boarding secondary schools in Tuyen Quang province in 2017. Methods: A cross-sectional descriptive study on 1,665 ethnic minority students at 6 boarding secondary schools in Tuyen Quang Province. The characteristics of the incidence of dental caries and gingivitis were evaluated according to gender; the rates of caries of primary and permanent teeth were evaluated according to school; the rates of caries and the index of lost fillings of primary and permanent teeth, dental caries, the prevalence of tartar, and bleeding gums were evaluated according to school. Results: The rate of dental caries accounted for 59.3%, of which the rate of permanent tooth decay accounted for 52.3%; the rate of baby tooth decay was 44.6%. Among students with tooth decay, 44.4% had enamel caries; dentin caries rate accounted for 34.2%, and 21.5% had complicated caries. The index of decayed, missing, filled, teeth (DMFT) was 1.93, of which permanent teeth were 1.61, lost teeth were 0.20, and filling teeth were 0.11. The index of DMFT of milk teeth was 1.48, the index of decayed teeth was 1.21, the missing teeth were 0.15, and the filling teeth were 0.13. Gum disease accounted for 46.3% of the students studied. The rate of students with tartar was 34.1%. The average rate of students with bleeding gums was 12.3%. Conclusion: Dental caries, gingivitis, and tartar accounted for a relatively high rate among ethnic minority students at boarding secondary schools in Tuyen Quang Province.