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김아현 ( Ah Hyeon Kim ),한선영 ( Sun Young Han ),김형규 ( Hyung Gyoo Kim ),권호근 ( Ho Keun Kwon ),김백일 ( Baek Il Kim ) 대한예방치과·구강보건학회 2010 大韓口腔保健學會誌 Vol.34 No.2
Objectives. This study examined the characteristics of a high caries risk group of 12-year-old children in Korea. Methods. The oral health status and interview data were collected from 1,755 children (888 males, 867 females), aged 12 years, who participated in the Korea National Oral Health Survey in 2006. The DMFT values of the subjects were sorted. The upper one third was selected as the high risk caries group (N=585) and the other two thirds were classified as the low risk caries group (N=1,170). This study used the demographic and social variables, such as gender, area of residence and governmental support for lunch in school. The variables for the oral health status, oral health related-consciousness and behavior were the number of dental sealants of the first molar, self-perceived oral health, tooth brushing after lunch, average frequencies of tooth brushing per day and the mean frequency of daily snack consumption. The associations between the demographic and social variables, oral health status, oral health related-consciousness and behavior and high risk group were evaluated by logistic regression analysis. Results. Most of the high caries risk group had less than 2 sealant teeth on the first molar (94.2%) and lived mainly in metropolitan areas (46.8%, p<0.05). They had a poorer self-perceived oral health (41.8%) than the low risk group and more 2∼3 times the snack intake per day (p<0.05). The determinants of the high risk group were whether the first molar was sealed (‘under 2’, OR=6.05), self-perceived oral health (‘good’, OR=1.77, ‘poor’, OR=2.67), mean frequency of daily snack intake (‘2∼3 time’, OR=1.31, ‘more than 4’, OR=2.34) and area of residence (‘city’, OR=0.79). Conclusions. The characteristics of the high caries risk group in Korean 12-year-old children were less than 2 sealant teeth on the first molar, poor self-perceived oral health, high snack intake per day and living in metropolitan areas.
머신러닝 기술을 활용한 손해보험사 현장조사 의뢰에 대한 효용 극대화
김아현(Kim, Ah-Hyeon),이보미(Lee, Bomi),양승철(Yang, Seungchul),곽한빈(Kwak, Hanbin),김대원(Kim, Daewon),이승권(Lee, Seungkwon) 대한산업공학회 2020 대한산업공학회 추계학술대회논문집 Vol.2020 No.11
보험사기 적발 금액이 지속해서 증가하는 요즘, 고객 보호 및 기업 손실 최소화를 위해 현장조사가 필요한 건을 적시에 의뢰하는 것은 굉장히 중요하다. 이를 위해 본 연구는 한 국내 손해 보험사의 보험금 청구 데이터를 이용하여, Boosting tree 알고리즘 기반으로 하는 다양한 알고리즘을 활용하여 현장조사 의뢰 필요 여부를 예측하고, 그 효용을 극대화하고자 하였다. 그 결과 현장조사 여부만을 Target 으로 하는 단일 모델이 아닌 여러 모델을 결합하는 3 가지 고도화 기법을 제시하였고 이를 통해 효용이 있는 현장조사 필요 건들을 더 많이 찾을 수 있었다.
식품과 축산물 HACCP의 차이점 분석 및 일원화 방안 도출
조아현(Ah-Hyeon Jo ),강주영(Ju-Yeong Kang),박은지(Eun-Ji Park),이한철(Han-Cheol Lee),이철수(Cheol-Soo Lee),김중범(Jung-Beom Kim) 한국식품과학회 2020 식품과학과 산업 Vol.53 No.1
Korea has been managed HACCP with food and livestock products separately, but it was incorporated into food and livestock product safety management certification standard in 2015. Currently, the notification is unified, but food sanitation act and the livestock products sanitary control act are not unified. These differences are leading to complaints from food and livestock corporation. In this review, the food sanitation act, enforcement regulations of the food sanitation act, the livestock products sanitary control act and enforcement regulations of the livestock products sanitary control act were compared and analyzed to identify the part which requires unification. As a result of the survey, the thirteen clauses were proposed to unify in the food sanitation act and the livestock products sanitary control act. The nineteen clauses were proposed to unify in enforcement regulations of the food sanitation act and enforcement regulations of the livestock products sanitary control act.
Class II 부정교합환자의 Trainer for Kids(T4K)를 이용한 조기치료 : 증례보고
안소연,김아현,심연수,김민정,An, So-Youn,Kim, Ah-Hyeon,Shim, Youn-Soo,Kim, Min-Jeong 대한턱관절교합학회 2013 구강회복응용과학지 Vol.29 No.1
T4K는 혼합치열기의 2급 부정교합 환자에게 사용되는 기능성, 가철성 교정장치이다. 기능성 교정장치의 경우 치열과 악골의 성장에 영향을 주는 구강안면부의 근육의 부조화를 개선시키는 역할을 한다. T4K에 포함된 lip bumper는 과도한 하순의 힘을 차단하여 주고, 하순 내측 전정을 자극하는 요소가 포함되어 있다. 부적절한 혀의 위치를 교정할 수 있는 요소는 환자들이 장치를 장착하는 동안 부가적인 혀 운동을 할 필요성을 감소시킨다. 2급 부정교합 환자의 경우 하악 열성장을 동반하는 경우가 대부분을 차지한다. 이 장치는 상악 치아를 고정원으로 하여, 하악을 전방으로 성장할 수 있도록 자극하여 부족한 하악 성장을 촉진하는 역할을 하고 있다. 이와 함께 부가적으로 Labial bow와 같은 역할을 하는 요소는 상악 치열의 개선에 도움을 준다. T4K는 기성품으로 작은 부피와 부드러운 질감으로 어린 환자들의 장착 동의율을 높이는 데 장점을 가진다. 원광대학교 치과대학 산본치과병원 소아치과에 내원한 혼합치열기의 2급 부정교합 환자에서 만족스러운 결과를 얻었기에 이를 보고하는 바이다. 요약 1. T4K를 혼합치열기의 2급 부정교합 환자에게 사용하여 안모의 개선을 얻었다. 2. 과도한 수직, 수평 피개교합이 개선되었다. 3. 하악 열성장 환자에서 T4K를 장착하여 하악 성장을 촉진하는 결과를 얻었다. 4. 구호흡 등과 같은 구강악습관의 개선을 얻었다. $T4K^{TM}$(Myofunctional Research Co, Australia) is one of the myofunctional appliance developed to be used in children of mixed dentition. Myofuncitonal appliance stimulate the facial, masticatory and tongue muscle and help to balance the muscular force. Labial bow included in the device exerts strength in excessively labial inclineded upper jaw, Lip bumper blocks strength of the mouth to prevent abnormal strength exerted in lower jaw, Tongue tag secures proper position of tongue, and additional exercise is not required for child patients. For the more, simpler design and softer texture of device prmoted cooperation of patients during use. This case report is to present the satisfactory results gained by using $T4K^{TM}$ on Class II patients. Comment 1. $T4K^{TM}$ was applied in Class II malocclusion patients of mixed dentition with expected space insufficient to gain facial improvement. 2. Excessive overjet, overbite were improved. 3. Main effects are regarded to have been achieved by development of lingual slant of upper jaw, labial slant of lower jaw, and lower part of jawbone. 4. Bad habits, such as mouth breathing, can also be adjusted.
대한치과마취과학회지 게재 논문들의 핵심용어와 MeSH 용어의 일치도
심연수,김아현,유용욱,김일호,류송이,이광석,정채율,김은희,맹선우,안소연,Shim, Youn-Soo,Kim, Ah-Hyeon,You, Yong-Ouk,Kim, Il-Ho,Yu, Song-Yi,Lee, Kwang-Seok,Jeong, Chae-Yul,Kim, Eun-Hee,Maeng, Sun-Woo,An, So-Youn 대한치과마취과학회 2014 Journal of Dental Anesthesia and Pain Medicine Vol.14 No.3
Background: The purpose of this study was to analyze the equality between key words used in the Journal of Korean Dental Society of Anesthesiology and Medical Subject Headings (MeSH). Methods: A total of 666 English key words in 187 papers (average 3.5 words in a paper) from 2001 to 2014 were eligible for this study. We classified them according to matched, and non-matched terms. After descriptive analysis, we assayed patterns of errors in using MeSH, and reviewed frequently used non-MeSH terms. Results: Fifty nine point six percent (59.6%) of total key words were completely coincident with MeSH terms, 40.39% were not MeSH terms. Conclusions: The results show that the coincidence rate of key words with MeSH terms was at a moderate level. However, there is a need for us to understand MeSH more specifically and accurately. Use of proper key words aligned with the international standards such as MeSH is important to be properly cited. The authors should pay attention and be educated on correct use of MeSH as key words.
문광호,이한철,조아현,이서현,김나예슬,박은지,강주영,김중범,Mun, Kwang-Ho,Lee, Han-Cheol,Jo, Ah-Hyeon,Lee, Seo-Hyun,Kim, Na-Ye-Seul,Park, Eun-Ji,Kang, Ju-Yeong,Kim, Jung-Beom 한국식품영양학회 2019 韓國食品營養學會誌 Vol.32 No.3
The objective of this study was to evaluate the quality-based characteristics of Prunus mume fruit syrup, which is manufactured with various sugared sweeteners for suggestion of suitable alternative sweetener. Sweetener such as sucrose (MHP1), crystalline fructose (MHP2) and liquid fructo-oligosaccharide (MHP3) are used to manufacture Prunus mume fruit syrup. The sugar content of MHP1, MHP2 and MHP3 showed 53, 54 and $36^{\circ}Brix$, respectively. The total organic acid content of MHP1, MHP2 and MHP3 was 2.22, 3.07 and 3.71%. The total free sugar content of MHP1, MHP2 and MHP3 was 54.39, 47.52% and 31.62%, respectively. The appearance of MHP1 and MHP2 remained unchanged for the entire period but MHP3 had molded since the first week. This was as a result of the low total free sugar content in MHP3 sugared with liquid fructo-oligosaccharide compared to MHP1 and MHP2 sugared with solid sucrose and fructose. The sensory characteristics of MHP2 manufactured with crystalline fructose indicated an above average quality, indicating that it is difficult to manufacture Prunus mume fruit syrup using liquid sugar. It is suggested that crystalline fructose characterized solid form and lower glycemic index than sucrose be useful to manufacture Prunus mume fruit syrup as alternative sweetener.