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정세환(Se-Hwan Jung) 대한치과의사협회 2016 대한치과의사협회지 Vol.54 No.11
The purpose of this study was to examine dental care utilization and expenditures among children aged 0 to 19 years using Korea Health Panel Survey (KHPS) data in 2008 - 2013. Weighted estimates were nationally representative and statistical significances were analysed by χ² test or adjusted Wald test using STATA 13 software. While dental care utilization increased steadily among children from 2008 through 2013, less than one-third the children received dental care in 2013. Compared with 2008, the proportion of restorative care, oral surgery, preventive care decreased and the proportion of orthodontic care, prosthetic care increased. While the proportion of amalgam markedly decreased, the proportion of resin increased. This study highlight socioeconomic disparities in dental utilization and expenditures among children. Especially the findings provide a baseline assessment for examining trends on dental care for children in the future.
한국의료패널의 치과외래 이용 및 의료비 지출에 대한 4년간(2008-2011)의 변화추이
정세환(Se-Hwan Jung) 대한치과의사협회 2014 대한치과의사협회지 Vol.52 No.5
Korea Health Panel Survey (KHPS) has been conducted to provide nationally representative estimates of health care use and expenditures for non-institutionalized population in Korea since 2008. The aim of this study was to present estimates from KHPS on dental utilization and expenditures from 2008 to 2011. While weighted estimates were presented for each year from 2008 to 2011, the focus of this study was on the 2011 estimates and changes in dental utilization and expenditures between 2008 and 2011. Weighted estimates were obtained using population weights and statistical significances were analysed by independent t-test or ANOVA test using SPSS version 20 for Windows. In 2011, 21.1% of Korean population obtained outpatient dental services from dentists. From 2008 to 2011, the percent of people with a dental visit in each year increased slightly. In 2011, the mean number of dental visits was 4.46. While the mean number of dental visits remained stable by 2010, it increased slightly in 2011. The total annual dental expense in 2011 for people with a visit was about 460,000 Korean Won and 10% higher in 2008. In summary, this study results highlight low rates of dental utilization and high dental expenses in Korean population.
제7기(2016-2018년) 국민건강영양조사 자료를 이용한 한국 아동·청소년의 치아우식 위험요인 분석
정세환 ( Se-hwan Jung ) 대한예방치과·구강보건학회 2023 大韓口腔保健學會誌 Vol.47 No.2
Objectives: The purpose of this study was to assess the association between the prevalence of dental caries and the risk factors using data from the 7th National Health and Nutrition Examination Survey (KNHANES) for improving the dental caries risk assessment model in child continuing care program from the registered dentists. Methods: The oral examination integrated data of the 7th wave (2016-2018) were downloaded from KNHANES website. The subjects of analysis were children ages 1 to 5 years for the primary teeth caries and children ages 6 to 18 years for permanent teeth caries. Dental caries risk factors included socio-demographic status (age, gender, region, household income), oral health behaviors (brushing teeth frequency, brushing teeth before bed, daily intake of sugar), dental care utilization (dental examination, preventive dental care, unmet dental needs), and the prevalence of dental caries in the parents. Complex samples logistic regression models were used to analyze the data. Results: While the dental caries of children and adolescents were associated with age and gender, it was not associated with region and household income. In addition, there was no association between brushing teeth and dental caries, but it was found between daily sugar intake and primary teeth caries. The association between unmet dental needs and dental caries was clear, and the primary teeth caries were associated with dental examination or preventive dental care. The prevalence of dental caries in the parents was associated with primary and permanent dental caries in their children, respectively. Conclusions: Although the results of this study were obtained from the representative data in the national level, the evidence was limited because of cross-sectional study. Therefore, it is necessary to conduct follow-up studies, such as a cohort study or clinical trial for the development of dental caries assessment model that are evidence-based.
정세환(Se-Hwan Jung),박고운(Ko-Woon Park),김철신(Cheoul-Sin Kim) 대한치과보험학회 2010 대한치과보험학회지 Vol.1 No.1
Objectves : The purpose of this study was to obtain the logical finance estimation data which was needed for National Health Insurance(NHI) coverage for Korean elderly"s denture service. Methods : For the estimation of the denture need, we used 2006 Korean National Oral Health Survey Data and estimated the finance for NHI corporation by using influenza vaccination rate (75.7%) among the elderly, contribution rate (70.0%) of NHI and custom fee (100.0% or 80.0%). Results and Conclussion : The requirements of full and partial denture for elderly people were 611,180 units and 1,645,636 units respectively. Health insurance budget needed about 1,783.4billion won in custom fee (100.0%) and 1,426.7billion won in custom fee (80.0%) for elderly over 65 year old.
한국의 구강보건의료 재정과 인력 현황 및 주요 6개국과의 비교
정세환 ( Se-hwan Jung ) 대한예방치과·구강보건학회 2021 大韓口腔保健學會誌 Vol.45 No.1
Objectives: The purpose of this study is to investigate the financial and manpower indicators of the oral health care system in Korea and to compare them with six selected countries ― the US, Japan, Germany, France, the UK, and Sweden. Methods: It used the Organisation for Economic Co-operation and Development (OECD) statistics website and official data sources of the Korean government. Results: In Korea, total oral health care expenditure (TOHCE) per capita was US $ 208, the TOHCE as a share of GDP was 0.5%, the TOHCE as a percentage of total health care spending (THCE) was 6.2%, and the percentage of out-of-pocket payments of TOHCE was 58.8% in 2019. The number of practising dentists per 1,000 population was 0.50 in 2018, and the average annual growth rate since 2000 was 3.3%. Dental specialists as a percentage of practising dentists increased from 0.4% in 2009 to 21.8% in 2020, and the allied dental personnel-to-dentist ratio in dental hospitals and clinics rose from 1.95 in 2013 to 2.34 in 2019. In addition, in 2019, the number of dentists and dental hygienists working in health care institutions or health centers differed distinctly by area; public health dentists accounted for 88% of dentists working at health centers and multiple general dentists were secured in five metropolitans/provinces. Conclusions: In the 21st century, the financial and manpower indicators of oral health care in Korea rose significantly, comparable to the six selected countries, although quality limitations remain. In the future, it is expected that these policies in Korea will be enhanced based on the indicators identified in this study.