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초점집단연구와 비급여점유율 실증 분석에 근거한 민간보험 도입 검토
배광학 ( Kwang Hak Bae ),하정은 ( Jung Eun Ha ),진보형 ( Bo Hyoung Jin ) 대한예방치과·구강보건학회 2010 大韓口腔保健學會誌 Vol.34 No.2
Objectives. We surveyed dentist opinions and provide information on a proper private enterprise insurance system. Methods. Using a proportional quota system, we surveyed total 15 dentists from 2008 list of Korean Dental Association members. The quotas were composed of 8 metropolitan, 5 medium-sized cities, and 2 Eup-Myun areas (small towns). Qualitative research methods, including focus group interviews, were used to identify dentist opinions on the introduction of a private enterprise insurance system, key elements of private enterprise insurance (such as benefits of the insurance, payment, etc), other considerations of dental care service, and clinical dental ethics in private enterprise insurance. To estimate the proportion of uninsured benefits, data from dental clinics were collected by a self-recorded check list for dental treatment in January and September, 2009. Results. Most participants were concerned about patient adverse selection and moral hazard through the introduction of a private enterprise insurance system. General dentists think they must reflect specialist opinions on the developments of private insurance. Most participants think that political intervention and management are needed to develop the appropriate private enterprise insurance system. Results from private dental clinics show that the number of uninsured benefits was almost double insured benefits. Conclusions. The proper development of private enterprise insurance requires improvement of insurance qualifications, the right and duty of insured persons, and insurance management.
배광학 ( Kwang Hak Bae ),하정은 ( Jung Eun Ha ),전은주 ( Eun Ju Jun ),한동헌 ( Dong Hun Han ),백대일 ( Dai Il Paik ),김진범 ( Jin Bom Kim ) 대한예방치과·구강보건학회 2009 大韓口腔保健學會誌 Vol.33 No.3
Objectives: This study examined the effects of newly developed water-soluble reduced chitosan on the volatile sulfur compounds induced by 4-day plaque regrowth. Methods: 1.0% water-soluble reduced chitosan with a pH ranging from 6.0 to 6.5, a molecular weight between 3,000 and 5,000 Da, and a 70% of degree of deacetylation was used. The amounts of volatile sulfur compounds in the mouth air were measured in vivo. Twelve dental students volunteered to participate in this double blind, randomized, 4-day plaque regrowth study. The subjects were divided into three groups and asked to rinse with the allocated mouthrinse solution and refraining from all mechanical oral hygiene measures. Results: The chitosan mouthwash reduced significantly the amounts of hydrogen sulfide in the mouth air compared to DW. Conclusions: The water-soluble reduced chitosan exhibited significant malodor-reducing activity during the 4-day plaque regrowth experiment.
국민건강보험 요양급여자료를 이용한 한국 성인의 영구치 발거원인 구강상병 비중
하정은 ( Jung Eun Ha ),배광학 ( Kwang Hak Bae ) 대한예방치과·구강보건학회 2012 大韓口腔保健學會誌 Vol.36 No.1
Objectives: The object of this study was to determine the reasons for tooth extractions of permanent teeth in Korea. Methods: 2009 National patient samples (NPS) data were obtained for patients from the Health Insurance Review and Assessment (HIRA). We conducted a frequency analysis of the reasons for 93,176 permanent teeth extraction. Results: Overall, periodontal disease was the most frequent reason for tooth extraction (54.9%), followed by dental caries (38.4%). The males lost more teeth, due to periodontal disease than the females. In the below 30 age groups, caries was the main reason for tooth extraction. However, periodontal disease was remarkably increasing in those aged that were 30 year old and over. Conclusions: Most of the permanent teeth are extracted, due to caries and periodontal disease. Furthermore, there has been no efficient way of prevention for periodontal disease in public health activities, which targeted the population of the middle age group. Such method might be required.