1. Sanders AE, Spencer AJ, Slade GD. 2006; Evaluating the role of dental behaviour in oral health inequalities. Community Dent Oral Epidemiol. 34:71–79. DOI:
10.1111/j.1600-0528.2006.00261.x. PMID:
16423034.

2. Sabbah W, Tsakos G, Sheiham A, Watt RG. 2009; The role health-related behaviors in the socioeconomic disparities in oral health. Social Science & Medicine. 68:298–303. DOI:
10.1016/j.socscimed.2008.10.030.

4. Wamala S, Merlo J, Bostrom G. 2006; Inequity in access to dental care services explains current socioeconomic disparities in oral health: The Swedish national surveys of public health 2004-2005. J Epidemiol Community Health. 60:1027–1033. DOI:
10.1136/jech.2006.046896. PMID:
17108297. PMCID:
PMC2465506.

5. Petersen PE, Baez RJ. World Health Oragnization. 2013. Oral health surveys: basic methods. 5th ed. World Health Organization;Geneva: p. 5–10. DOI:
10.1034/j.1600-0528.2000.028006399.x.
7. Jung SH, Song YH, Choi JS. 2021. A study for developing the 2nd national oral health plan 2022-2026 in Korea. Ministry of Health and Welfare, Gangneung-Wonju National University Industry Academy Cooperation Group;p. 27–37. p. 55–77. p. 97–120. DOI:
10.1034/j.1600-0528.2000.028006399.x.
9. Korea Disease Control and Prevention Agency. 2021. April. Guidebook for data users of Korea National Health & Nutrition Examination Survey, 7th wave(2016-2018). National statistics No.117002. DOI:
10.1034/j.1600-0528.2000.028006399.x.
11. Kim MJ, Lim CY, Son JL. 2020; Comparison of study affecting the use of dental sealant in consequence of its inclusion in the National Health Insurance coverage: Using data from the 5th-7th National Health and Nutrition Examination Survey(KNHANES). Journal of the Korea Academia-Industrial cooperation Society. 21(12):798–806.
12. Kang HK, Kim YR. 2019; Comparison of the oral health status before and after preventive scaling using the provision of national health insurance: THE 5th-6th Korean National Health and Nutrition Examination Survey. Journal of Korean Society of Dental Hygiene. 19(5):765–776. DOI:
10.13065/jksdh.20190065.
13. Lim JY, Nam HS. 2021; Comparison of oral health conditions according to the practice of brushing before sleeping in adults using the 7th Korean National Health and Nutrition Survey(KNHANES VII-2) data. Journal of the Korea Academia-Industrial cooperation Society. 22(10):379–386. DOI:
10.5762/KAIS.2021.22.10.379.

14. Shin GS, Choi SE. 2020; The impact of preventive dental check-up on the oral health: Based on the 7th(2016-2018) Korean National Health and Nutrition Examination Survey. Health & Welfare. 22(4):53–78. DOI:
10.23948/kshw.2020.12.22.4.53.

15. Han DH, Ryu JI, Kim MS, Ghang HY, Jung SH, Kim SJ, et al. 2021. Analyzing the performance of expanding dental health insurance coverage and a mid- to long-term planning for expanding the coverage. p. 3–5.
16. Kim MJ, Lim CY, Son JL. 2021; Comparison of study affecting the use of dental sealant in consequence of its inclusion in the National Health Insurance coverage: Using data from the 5th-7th National Health and Nutrition Examination Survey(KNHANES). Journal of the Korea Academia-Industrial cooperation Society. 21(12):798–806.
17. Kim YT, Lee JH, Kweon HI, Lee JS, Choi JK, Kim DW, et al. 2016; Evaluation of national health insurance coverage of periodontal scaling: A nationalwide cohort study in Korea. Journal of the Korean Dental Association. 54(8):
18. Choi YE. 2017. A study on the national health insurance coverage extension implant and denture for elderly people [master's thesis]. Konyang University;Daejeon: 44–46. [Korean].