Children's Dental Sealant Use and Caries Prevalence Affected by National Health Insurance Policy Change: Evidence from the Korean National Health and Nutrition Examination Survey (2007-2015)

International Journal of Environmental Research and Public Health
Minsung SohnHee-Jung Park

Abstract

We evaluated the effect of the National Health Insurance (NHI) policy including dental sealant on changes in the prevalence of sealant and caries, and examined how NHI affected sealant utilization and untreated caries in children from diverse income groups in South Korea. We used a multivariate logistic regression analysis to explore the effects of three stages of dental sealant policy (pre-policy: 2007-2009, first post-policy: 2010-2012, and second post-policy: 2013-2015) on the prevalence of dental sealant and untreated caries. Participant data (N = 8161, aged 6-14 years) were derived from the Korea National Health and Nutrition Examination Survey (2007-2015). We also conducted subgroup analysis to determine the effects of the NHI policy on dental sealant and untreated caries by income level. Implementation of dental insurance coverage was associated with higher likelihood of using dental sealant (odds ratio (OR) = 1.39 (95% confidence interval (CI): 1.18-1.63) for the first period and OR = 1.58 (95% CI: 1.33-1.87) for the second period) and lower odds of having untreated caries (OR = 0.79 (95% CI: 0.64-0.98) for the first period and OR = 0.65 (95% CI: 0.51-0.83) for the second period) after controlling for covariates. Result...Continue Reading

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Citations

Aug 14, 2019·Journal of Public Health Dentistry·Ashley M Kranz, Andrew W Dick
May 30, 2019·Canadian Journal of Public Health = Revue Canadienne De Santé Publique·Lindsay McLaren, Trevor Hancock
May 14, 2020·International Journal of Environmental Research and Public Health·Minsung SohnHee-Jung Park
Oct 30, 2020·International Journal of Environmental Research and Public Health·Ji-Eun JeonJae-In Ryu
Sep 5, 2021·The Journal of Evidence-based Dental Practice·Phoebe Py LamCynthia Ky Yiu

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