Effect analysis of topical fluoride varnish in preventing primary caries among 3-5 years old children in Nanning

• Main Authors: WU Wei, QIU Rong-min, ZENG Xiao-juan
• Format: Article
• Language: zho
• Published: Editorial Department of Journal of Prevention and Treatment for Stomatological Diseases 2016-05-01
• Series: 口腔疾病防治
• Subjects: Duraphat，; Intervention trial ，; Primary teeth，; Dental caries，; Oral health，
• Online Access: http://manu45.magtech.com.cn/Jwk3_kqjbfz/EN/volumn/volumn_4.shtml

Objective To investigate the effectiveness of fluoride varnish in preventing primary caries in 3-5 years old children in the kindergarten collective environment and provide necessary information for oral health care plans. Methods Children aged 3-5 years old were randomly assigned into two study groups. The test group was treated with fluoride varnish and given oral hygiene instruction semi-annually for 4 times; the control group was only given oral hygiene instruction semi-annually. Follow-up examinations were conducted after 4 interventions to monitor primary caries increment among these children. Results After intervention, the caries prevalence of test group raised from 51.61% to 59.14%, with incidence of 7.53% at last. In the control group, the prevalence before and after was 52.61% and 73.93%, with the incidence of 21.33%. The differences of the prevalence, the dmft value and the incidence between the test group and control group were significant. Conclusion Semi-annual application of fluoride varnish is effective in the prevention of dental caries in primary teeth of children and can improve the oral health of children.