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일부 학교구강보건실 운영 초등학생들의 구강보건지식도 및 실천에 관한 조사
정호진 ( Ho Jin Jeong ),김혜진 ( Hye Jin Kim ),이민경 ( Min Kyung Lee ),윤현서 ( Hyun Seo Yoon ),오상환 ( Sang Hwan Oh ),이정화 ( Jung Hwa Lee ) 한국치위생학회(구 한국치위생교육학회) 2013 한국치위생학회지 Vol.13 No.6
Objectives: The purpose of this study was to evaluate the overall oral health knowledge and toothbrushing pattern of school dental clinic students in school dental clinics and to provide the basic data for the oral health. Methods: The subjects were 290 elementary school students visiting school dental clinics in Busan Metropolitan city. The data were collected from July 3, 2012 to July 19, 2013.Results: The visit rate of school dental clinics was 40.3%. Girl students brushing three times a day accounted for 47.3% and boy students brushing twice a day accounted for 58.5%(p<0.05). Students using rolling brushing method accounted for 35.4% and 8% of the students did not know the rolling method. Brushing method response consisted of circular motion(21.6%) and rolling method(30.8%). Brushing more than 3 minutes accounted for 46.5%(p<0.001) and 30.8% of the students chose rotation brushing method(p<0.001). Conclusions: It is very important for the elementary school students to learn the right oral health education and oral health knowledge.
한국 성인의 전신건강과 구강건강행동 및 상태가 삶의 질에 미치는 영향
정호진 ( Ho Jin Jeong ),김예황 ( Ye Hwang Kim ),윤정원 ( Jung Won Yun ),오상환 ( Sang Hwan Oh ),윤현서 ( Hyun Seo Yoon ),이민경 ( Min Kyung Lee ),이정화 ( Jung Hwa Lee ) 대한예방치과·구강보건학회 2020 大韓口腔保健學會誌 Vol.44 No.3
Objectives: The purpose of this study was to analyze the relations between general health status, oral health behavior, oral health status, and quality of life, as well as the mediating effects of oral health behavior and oral health status. Methods: Subjects aged ≥19 years participated in a health questionnaire in the third year of the Japanese National Health and Nutrition Examination Survey (2015). Results: Analysis of the overall path of periodontal disease showed that respiratory and circulatory diseases and oral health behaviors had statistically significant indirect effects on quality of life through the mediation of oral health behavior and oral health conditions, while analysis of the overall trend of the decayed, missing, and filled teeth (DMFT) index showed significant indirect effects on quality of life through mediation between oral and oral health conditions. As a result of these analyses, the association of general health status with quality of life, and its effect thereon, were confirmed through the intermediary of oral health behaviors and oral health conditions. Conclusions: Therefore, further research is needed on the relation of general diseases to oral health management. Special oral health departments need to be established in both general and university hospitals, and dental hygienists in charge of oral care need to be deployed to improve oral health for general diseases. Manuals and systems for oral health management and oral health promotion need to be developed for certified dental hygienists in Japan, specifically for each systemic disease. For example, hygienists should have guidance on the oral health practices that help in the prevention of diabetes.
양측성 신동맥 협착증에서 발생한 급성 비대상성 심부전과 급성 신손상
정호진 ( Ho Jin Jung ),최원석 ( Won Suk Choi ),강현재 ( Hyun Jae Kang ),정병천 ( Byung Chun Jung ),이봉렬 ( Bong Ryeol Lee ),이종주 ( Jong Joo Lee ),이준영 ( Jun Young Lee ) 영남대학교 의과대학 2015 Yeungnam University Journal of Medicine Vol.32 No.2
Atherosclerotic renal artery stenosis (RAS) may result in hypertension, azotemia, and acute pulmonary edema. We report on a renal angioplasty with stent placement for bilateral RAS in a patient with acute decompensated heart failure and acute kidney injury. A 67-year-old female patient was admitted to our hospital with acute shortness of breath and generalized edema. Echocardiography showed left ventricular wall motion abnormality and the follow up electrocardiography showed T wave inversion in the precordial leads. We performed a coronary angiography to differentiate ischemic heart disease from non-cardiac origin for the cause of the heart failure. The coronary angiography showed no significant luminal narrowing, but bilateral RAS was confirmed on the renal artery angiography, therefore, we performed renal artery revascularization. After the procedure, the pulmonary edema was improved and the serum creatinine was decreased. Two weeks later, an echocardiography showed improvement of the left ventricular systolic function.
여행사 e-Ticket 환경하에 CRS/GDS 이용 속성이 사용자 만족과 지속적 사용의도 및 추천의도에 미치는 영향
정호진(Ho Jin Jung),이계희(Gye Hee Lee),지봉구(Bong Gu Jee) 한국호텔외식관광경영학회 2009 호텔경영학연구 Vol.18 No.6
In the past, CRS(Computer Reservation System) providing information about hotels, airlines, car rental, and other trip-related services for booking was distributed to agencies in a form of closed-end dummy terminal. The technical advances in information technology facilitated the Internet booking engines` ability to facilitate travel intermediaries reserve airline tickets and book trip-related services anytime and anywhere on the Web-based systems. As the result of such advances, e-Ticket environment has been completed as of 1st of June, 2008 world-wide, and therefore, transition from paper ticketing to 100% e-ticketing is achieved. The purpose of this study is to examine the influence of key selection attributes of CRS/GDS services under Web-based e-Ticketing environment on user satisfaction, intention of continuous use, and intention to recommend a specific CRS/GSD brand to others among 236 Korean travel intermediaries, using survey method. The results indicate that the most critical factors of CRS satisfaction are ticketing service, human elements, and booking service/support. These factors exert significant influences on user satisfaction, willingness to recommend, and loyalty. In addition, the results suggest that the most valued qualities of CRS/GSD system are user-friendliness, easy ticketing functions, and diverse information provision. Some practical implications are provided in this study.
정호진(Ho Jin Jung),장우영(Woo Young Jang),조일엽(Il Youp Cho),이순혁(Soon-Hyuck Lee) 대한정형외과학회 2017 대한정형외과학회지 Vol.52 No.3
목적: 본 연구에서 현성 하지 부동으로 발달성 고관절 이형성증(developmental dysplasia of the hip, DDH)을 감별 진단하기 위해 의뢰된 영아들에서 태아기 자세성 변형의 양상을 조사해보고 이러한 태아기 자세성 변형이 DDH와 어떤 연관성이 있는지 알아보고자 하였다. 대상 및 방법: 후향적 연구로, 2013년 3월부터 2015년 3월까지 현성 하지 부동으로 DDH가 의심되어 외래에 내원한 영아 150명의 의무기록과 영상의학적 검사를 조사하였다. 결과: 현성 하지 부동은 좌측 하지가 짧은 경우가(n=86, 57.3%) 많았으며, 62명(41.3%)에서 사두증, 124명(82.7%)에서 체부 만곡이 관찰되었다. 여아의 경우 생식기 방향을 통해 간접적으로 유추하여 평가한 골반 경사(pelvic obliquity)가 62명(63.3%)에서 관찰되었다. 고관절 진찰에서 이상 소견을 보이지 않은 139명에서는 DDH가 발견되지 않았으며, 고관절 진찰에서 이상 소견을 보인 11명 중에 6명에서 DDH로 진단되었다. 결론: 태아기 자세성 변형과의 동반 여부에 상관없이, 고관절 진찰에서 이상 소견이 있는 영아에서만 DDH가 진단되었다. 따라서 일차 DDH 선별 검사 시에 고관절 진찰을 함께 시행함으로써 DDH의 추정 진단에 대해 도움을 줄 수 있음을 염두해 두어야 한다. Purpose: This study aimed to investigate the clinical features of congenital postural deformities and lower extremity asymmetry with respect to the presence of developmental dysplasia of the hip (DDH) in infants with a discrepancy of the limb length referred for suspected DDH. Materials and Methods: We retrospectively reviewed the medical records and radiographs of 150 infants who visited Korea University Anam Hospital Orthopedic Clinic for suspected DDH between March 2013 and March 2015. Results: There were greater numbers of infants with a shorter lower extremity on the left side (n=86, 57.3%) than the right. Plagiocephaly was present in 62 infants and trunk curvature in 124 infants (82.7%). Pelvic tilting—indirectly assessed by a skewed direction of the external genitalia in female infants—was present in 62 infants (63.3%). None of the 139 infants with normal physical examination of the hip were diagnosed with DDH. Of those 11 infants with abnormal findings from the hip physical examination, a total of 6 infants were diagnosed with DDH. Conclusion: Regardless of the associated findings of congenital postural deformation, all infants diagnosed with DDH had abnormal findings from the physical examination of the hip joint. Thus, we conclude that the hip examination is important as the primary clinical screening in aiding the diagnosis of DDH.
정호진(Ho-Jin Jung),김일혁(Il-Hyuk Kim) 한국생약학회 1983 생약학회지 Vol.14 No.3
Sochungryoung-Tang has been known to be used in acute edema, bronchitis, pneumonia, nephrosis, and arthritis etc. in traditional chinese medicine. In this study, it was examined on the antimicrobial and anti-inflammatory activities. The following results were obtained; 1) In the antibacterial activities, the ethanol extract of Sochungryoung-Tang showed to be more active than water extract aginst ten bacterials (Table I). Especially, antibacterial activities against Staphylococcus sp. showed the highest among the strains tested. But in the fungi, ethanol extract and water extract showed slightly significant effects (Table II). 2) The water extract showed significant anti-inflammatory effects against the rat hind paw edema induced by 1% carrageenin in the scab and carbuncle in the mice infected by Staphylococcus aureus CUCC 74371.
과산화수소 농축을 위한 투과증발공정의 정량적 위험성 분석
정호진 ( Ho Jin Jung ),윤익근 ( Ik Keun Yoon ),최수형 ( Soo Hyoung Choi ) 한국화학공학회 2014 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.52 No.6
초고농도 과산화수소 제조를 위한 투과증발 공정의 정량적 위험성 분석을 수행하였다. 잠재적 주요 사고는 분해반응에 따른 폭발 및 화재이며 실험실 규모일 때 사고결과는 카테고리 3에 속하는 것으로 판단된다. 대상공정에서 분해 반응이 일어나는 과정을 사건트리 형태로 모델링하고 사고원인들의 확률함수를 유사사건 발생빈도 자료를 근거로 설정하였다. 구축된 모델을 사용하여 사고율을 계산한 결과, 수용 가능한 위험수준, 즉 사고빈도가 10-4/yr 이하가 되려면 추가 안전장치가 필요한 것으로 파악되었다. 이를 위해 방호계층분석을 적용한 결과, 촉매반응을 막기 위한 본질적 안전설계, 과열을 막기 위한 SIF (safety instrumented function), 그리고 분해반응이 일어나더라도 폭발로 이어지지는 것을 막는 릴리프 시스템이 요구되었다. 제안된 방법은 과산화수소 농축을 포함한 다양한 화학공정의 안전관리시스템 개발에 기여할 수 있을 것으로 기대된다. Quantitative risk analysis has been performed for a pervaporation process for production of high test peroxide. Potential main accidents are explosion and fire caused by a decomposition reaction. As the target process has a laboratory scale, the consequence is considered to belong to Category 3. An event tree has been developed as a model for occurrence of a decomposition reaction in the target process. The probability functions of the accident causes have been established based on the frequency data of similar events. Using the constructed model, the failure rate has been calculated. The result indicates that additional safety devices are required in order to achieve an acceptable risk level, i.e. an accident frequency less than 10-4/yr. Therefore, a layer of protection analysis has been applied. As a result, it is suggested to introduce inherently safer design to avoid catalytic reaction, a safety instrumented function to prevent overheating, and a relief system that prevents explosion even if a decomposition reaction occurs. The proposed method is expected to contribute to developing safety management systems for various chemical processes including concentration of hydrogen peroxide.