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울산광역시 장애인 구강건강증진을 위한 자원봉사 중심의 지속적 치과진료사업의 사례
김진범(Jin-Bom Kim),김병재(Byung-Jae Kim),한동헌(Dong-Hun Han),전은주(Eun-Joo Jun),김한나(Han-Na Kim),김민지(Min-Ji Kim) 대한치과의사협회 2015 대한치과의사협회지 Vol.53 No.11
The purpose of this study was to evaluate the oral health promotion of the disabled persons by voluntary dental services in Ulsan Metropolitan City. Two dentists taken a calibration training for national oral health survey examined the oral health status of 473 disabled persons from two special schools for the disabled children and adolescents, a residential facility and a gymnasium for the disabled persons in 2009-2010. The surveyed disabled persons in the age range was from 7 to 74 years old. Voluntary dentists, oral hygienists and other civilian volunteers had supplied with the oral health care services to the disabled persons at dental clinics of special schools for the disabled children and adolescents, and a dental clinic supported from Nam-Gu Public Health Center in Ulsan Metropolitan City since 1997. The obtained data from these surveys were analyzed with the SPSS statistical package. Among subjects aged 12-14 years, subjects with decayed, missing and filled teeth (DMFT) in permanent dentition was 46.9%; subjects with untreated decayed teeth, 17.2%. The number of decayed, missing and filled teeth in permanent dentition was 1.36. The proportion of decayed components of DMFT score was 28.00%; proportion of missing components of DMFT score, 1.43%; proportion of filled components of DMFT score, 70.57%. The proportion of filled components of DMFT score among disabled persons of all age group in Ulsan were evaluated to be a similar level to non-disabled citizens in Ulsan from 2010 Korean National Survey. The oral health care programs for disabled persons by voluntary services of dental professionals and other civilians are evaluated to be effective for the oral health promotion of disabled persons in Ulsan.
진주시 수돗물 불소농도조정사업의 11년간 비용편익 분석
김만경 ( Man Kyong Kim ),정지인 ( Ji In Jung ),김민지 ( Min Ji Kim ),전은주 ( Eun Joo Jun ),김한나 ( Han Na Kim ),김세연 ( Se Yeon Kim ),한동헌 ( Dong Hun Han ),정승화 ( Seung Hwa Jeong ),김진범 ( Jin Bom Kim ) 대한예방치과·구강보건학회 2014 大韓口腔保健學會誌 Vol.38 No.2
Objectives: The aim of this study was to estimate the economic costs and benefits of a water fluoridation program in the city of Jinju, Korea. Methods: In 2009, dental surveys were conducted on 2,315 children aged 6-12 years in Jinju, which had been fluoridated for 11 years. The decayed/missing/filled teeth (DMFT) scores of children in Jinju were compared to the DMFT scores of same-aged children in non-fluoridated small- and mediumsized cities in the fourth Korean National Health and Nutrition Examination Survey conducted from 2007 to 2009 by the Korea Centers for Disease Control and Prevention. The reduced number of decayed permanent teeth by the water fluoridation program was estimated as the difference between the DMFT scores of children in Jinju and those in non-fluoridated small- and medium-sized cities. The economic benefits were estimated by the savings from reduced dental treatment costs by using the reduced number of decayed permanent teeth from the water fluoridation program. All annual costs and benefits were calculated from 1998 to 2009. The social rate and untreated rate of decayed teeth were applied as 3% and 20%, respectively. The annual benefit-cost ratio was estimated by using the annual benefits and cumulative program costs. Results: The economic benefit in 2009 from a water fluoridation program was estimated as 57,496,000,000 Korean Won (KRW), and the cumulative cost in 2009 was estimated as 1,387,000,000 KRW. The net present value in 2009 from a water fluoridation program was 56,109,000,000 KRW. The benefit-cost ratio in 2009 was estimated as 41.4. Conclusions: The economic benefit of a water fluoridation program in Jinju city was evaluated as excellent.
리튬이온 배터리용 다층박판 금속의 초음파 용착시 용착강도
김진범(Jin-Bom Kim),서지원(Ji-Won Seo),박동삼(Dong-Sam Park) 한국기계가공학회 2021 한국기계가공학회지 Vol.20 No.6
As a significant technology in the smartization era promoted by the Fourth Industrial Revolution, the secondary battery industry has recently attracted significant attention. The demand for lithium-ion batteries (LIBs), which exhibit excellent performance, is considerably increasing in different industrial fields. During the manufacturing process of LIBs, it is necessary to join the cathode and anode sheets with thicknesses of several tens of micrometers to lead taps of the cathode and anode with thicknesses of several hundreds of micrometers. Ultrasonic welding exhibits excellent bonding when bonded with very thin plates, such as negative and positive electrodes of LIBs, and dissimilar and highly conductive materials. In addition, ultrasonic welding has a small heat-affected zone. In LIBs, Cu is mainly used as the negative electrode sheet, whereas Cu or Ni is used as the negative electrode tab. In this study, one or two electrode sheets (t0.025 ㎜ Cu) were welded to one lead tab (t0.1 ㎜ Cu). The welding energy and pressure were used as welding parameters to determine the welding strength of the interface between two or three welded materials. Finally, the effects of these welding parameters on the welding strength were investigated.
김진범(Jin-Bom Kim),정승화(Seung-Hwa Jeong),양정강(Joung-Kang Yang) 대한치과보험학회 2010 대한치과보험학회지 Vol.1 No.1
Objectives: The purpose of this study was to obtain the data for the strengthening of dentists" competency on the management of the National Health Insurance Program in Korea. Methods: Questionnaires designed by authors were distributed to eleven dental colleges or graduate schools of dentistry in December of 2007 year. Results: Exclusive educational subjects related to National Health Insurance are offered at seven among nine universities. Eight among nine universities open educational subjects related to National Health Insurance at grade 3 or 4. Five among nine universities educate educational subjects related to National Health Insurance for 6-8 hours and over. Universities opening exclusive educational subjects related to National Health Insurance or educating subjects related to National Health Insurance four 6-8 hours and over were estimated to educate the practical training related to the reimbursement claims for the patients of National Health Insurance considerably. Nine among ten universities responded educational time related to National Health Insurance was insufficient. Conclusions: To enhance the operational competencies managing the National Health Insurance, there is a need to establish the exclusive educational subject related to National Health Insurance and to strengthen the educational time related to National Health Insurance.
창원시 초,중학생들의 구강진료공포 관련요인 및 공포수준에 따른 치아우식경험실태
조현진 ( Hyun Jin Cho ),김민지 ( Min Ji Kim ),하정은 ( Jung Eun Ha ),배광학 ( Kwang Hak Bae ),한동헌 ( Dong Hun Han ),김진범 ( Jin Bom Kim ) 대한예방치과·구강보건학회 2010 大韓口腔保健學會誌 Vol.34 No.1
Objectives. The purposes of this study were to measure the dental anxiety, to analyze the factors associated with dental anxiety and to investigate the caries prevalence according to the level of dental anxiety among the adolescents in Changwon city. Methods. The subjects were 4,143 elementary (5th and 6th grades) and middle school students. Among them, the number of male students was 2,246 (54.2%). All the subjects gave the responses of the questionnaire composed of a 4-item dental anxiety scale and questions on gender, age, the first dental visit and the experiences with primary prevention of dental caries. They also received an oral examination. The association of dental anxiety with demographic factors and oral behavioral factors was analyzed by the chi square method and multivariate logistic regression analysis. The differences of caries prevalence between the high and low dental anxiety groups were analyzed by Student`s t-test. Results. The prevalence of high dental anxiety might be 2.2 times higher in the female students than that in the males, 1.4 times higher in the middle school students than that in the elementary school students, 1.7 times higher in the subjects who visited dental clinic before entering elementary school than that in the subjects who had not experienced a dental visit and 1.4 times higher in the subjects who had not experienced primary oral prevention than that in the subjects who had. The subjects who felt high dental anxiety had more decayed teeth than those who felt low dental anxiety. Conclusions. The present study suggested that the dental anxiety could be reduced by primary oral prevention of caries.