위에 발생한 사구종양 3예

윤현아 ( Hyun Ah Yoon ),최석렬 ( Seok Reyol Choi ),이종훈 ( Jong Hun Lee ),장진석 ( Jin Seok Jang ),백양현 ( Yang Hyun Baek ),이정민 ( Jeong Min Lee ),김민식 ( Min Sik Kim ) 대한내과학회 2011 대한내과학회지 Vol.80 No.5

Glomus tumors originate in modified vascular smooth muscle cells and are most commonly found in the dermis or subcutis but are rarely observed in the stomach. We report three cases of patients who presented with incidental findings of subepithelial tumors in the stomach. One patient showed a positive cushion sign, and the others showed negative cushion signs. Endoscopic ultrasonography (EUS) demonstrated sharply demarcated hypoechoic tumors with internal hyperechoic spots in the fourth layer of the gastric wall and several hypoechoic halos around the tumors. Contrast-enhanced abdominal computerized tomography (CT) showed homogeneous high enhancement of tumors up to the delayed scan, and one case showed calcification in the tumor. For treatment, laparoscopic wedge resections were performed. Histological and immunochemical analysis of the tumor cells were compatible with glomus tumors. These characteristic findings in EUS and CT seem to be useful for the diagnosis of gastric glomus tumors.

치주상태에 따른 임플란트 식립분포에 대한 조사 연구

윤현서 ( Hyun Seo Yoon ),이미옥 ( Mi Ok Lee ) 한국위생과학회 2009 한국위생과학회지 Vol.15 No.2

일부지역 대학생의 구강보건지식과 구강건강인식에 대한 조사

윤현서(Hyun-Seo Yoon),남유영(You-Young Nam),유현아( Hyun-A Ryu),김혜진(Hye-Jin Kim),이민경(Min-Kyung Lee),이정화(Jung-Hwa Lee) 한국구강보건과학회 2013 한국구강보건과학회지 Vol.1 No.1

The purpose of this study was to survey the oral health knowledge and the oral health perception of university students in some districts. It divided it into by department for one month in March of 2013, surveyed totally 310 people, and then finally analyzed 302 people. The results are as follows. In the oral health care knowledge, a percentage of correct answers as saying of needing to receive regular check-up once per 6 months was the highest with 97.7%. A percentage of correct answers as saying that food of containing lots of sugar is good for health of teeth was the lowest with 10.9%. The oral health knowledge according to general characteristics was high in women(p=0.036). The age was the highest in 21-22 years old and was the lowest in 25-27 years old(p=0.001). In department, the health department was indicated to be the highest. The natural-science department was indicated to be low, thereby having shown difference(p<0.001). In academic year, sophomore was the highest. Senior was indicated to be the lowest(p=0.030). A case of non-smoking was high in knowledge level(p=0.027). A case of not having part-time job was indicated to be high in knowledge level(p=0.032). A case of recognizing that the whole health status is very healthy was low in oral health perception level(p<0.001). The more perception as saying that the oral health status is very healthy led to the lower even in the oral health perception level(p<0.001). To improve the oral health of college students develop a systematic curriculum and teaching methods are needed for the distressed people.

산업장 근로자들의 구강건강 행위에 따른 행복지수

윤현서(Hyun-Seo Yoon) 한국콘텐츠학회 2013 한국콘텐츠학회논문지 Vol.13 No.11

본 연구는 경북지역 294명의 근로자들을 대상으로 행복지수에 구강건강 행위와, 주관적 구강건강인식의 영향을 파악하여 이를 바탕으로 산업장 근로자들을 위한 구강보건계획을 수립하는 기초자료로 활용하고자 하였다. 구강건강 행위에 따른 행복지수를 살펴보면 1년 내 정기검진여부에서는 정기검진을 받는 경우 단일문항 행복지수(p=0.002), 5문항 행복지수(0.012)에서 모두 높게 나타났고, 1년 내 스켈링을 받은 경우 단일문항 행복지수(p<0.001), 5문항 행복지수(p=0.003)모두 높게 나타났다. 칫솔질 횟수에서는 칫솔질 횟수가 많은 경우 단일문항 행복지수(p<0.001), 5문항 행복지수(p=0.023)으로 높았으며, 구강보건교육을 받은 경험이 있는 경우 단일문항 행복지수(p=0.041), 5문항 행복지수 모두에서 높게 나타났다. 근무지에 칫솔을 보관하는 경우에는 단일문항 행복지수(p=0.001), 5문항 행복지수(p<0.001) 모두에서 높게 나타났으며, 아플 때 즉시 치과방문이 가능한 경우 단일문항 행복지수(p<0.001), 5문항 행복지수(p<0.001)모두에서 높게 나타났다. 이상의 결과에서 산업장 근로자들의 행복지수를 높이기 위한 체계적인 구강건강프로그램이 마련되어야할 것이다. The purpose of this study was to examine the impact of the oral health behavior and self-rated oral health of workers on their happiness indexes in an attempt to provide information on oral health planning geared toward industrial workers. The subjects in this study were 294 workers in North Gyeongsang Province. As a result of analyzing the relationship between their health behavior and happiness indexes, the workers who got regular health checkups had higher happiness indexes for both single items(p=0.002) and entire five items(0.012), and those who had their teeth cleaned over the past year had higher happiness indexes for both single items(p<0.001) and entire five items(p=0.003). As for a toothbrushing frequency, the respondents who brushed their teeth more frequently had higher happiness indexes for both single items(p<0.001) and entire five items(p=0.023), and those who had ever received oral health education had higher happiness indexes for both single items(p=0.041) and entire five items. The workers who kept their toothbrushes at work had higher happiness indexes for both single items(p=0.001) and entire five items, and the respondents who could afford to visit a dental clinic immediately in case of having a toothache had higher happiness indexes for both single items(p<0.001) and entire five items(p<0.001). The findings of the study suggest that the preparation of systematic oral health programs is required to boost the happiness indexes of industrial workers.

일부지역 성인들의 구강보건교육 경험에 따른 구강건강관리 인식수준

윤현서(Hyun-Seo Yoon),채유정(You-Jung Chae) 한국구강보건과학회 2017 한국구강보건과학회지 Vol.5 No.2

The purpose of this study was to investigate the level of perception of oral health care according to oral health education experience. For this study, 300 adults in the Busan area were surveyed for 3 months. In the case of oral health education in oral hygiene management, there were many cases of brushing before breakfast (p = 0.037) and correct brushing (p <0.001). The recognition level of oral hygiene products was also high, 2.92 points (p = 0.001). Among oral hygiene products, the use of interdental toothbrushes (p = 0.001) and tongue cleaners (p = 0.025) were more frequent. The experience of oral health education in fluoride perception was high (p = 0.043) and fluoride experience was high (p = 0.025). If you have experience of oral health education in both oral hygiene management and fluoride awareness, you will improve your awareness levels. By developing and systematically educating oral health education programs, awareness levels can be improved.

이종망간 핸드오버를 위한 적응적 핸드오버 결정 기법

윤현서(Hyun-Seo Yoon),박순준(Soon J. Park),강충구(Chung G. Kang) 한국통신학회 2009 한국통신학회 학술대회논문집 Vol.2009 No.6

임플란트 식립 후 불편감에 영향을 주는 요인

윤현서 ( Hyun Seo Yoon ),허수희 ( Soo Hee Heo ),전진호 ( Jin Ho Chun ) 한국치위생과학회 2011 치위생과학회지 Vol.11 No.4

To get the evidences for decreasing the discomfort, dissatisfaction, and for improving management of the implant prothesis through assessment implant patients` awareness and discomforts about care of the prostheses. The subjects were 300 implant patients who treated in the 20 dental clinics in Pusan, Ulsan and Daegu. The general characteristics, recognition, maintenance, discomfort and dissatisfaction, and oral hygiene status were collected. Level of the discomfort and dissatisfaction was measured by a 5 Likert scale, and analyzed by the equivalent of 100. The life-span of the implants was overestimated, however, periodic recall check and scaling were underwent. The level of discomfort and dissatisfaction was generally good, but many of them (65.3%) complained the food impaction. As a result of the multiple regression analysis, level of the discomfort and dissatisfaction increased in case of more number of the prosthesis (β=0.864), however decreased in case of more frequent teeth brushing (β=0.737), more frequent periodic check (β=-0.737), longer duration from the implantation (β=-0.090). It is very important for the implant patients to be recognized that the lack of care may shorten the life-span of the implant prosthesis. Therefore, efforts of the continuous oral hygiene care such as, periodic recall check, scaling, teeth brushing, the correct using of additional oral hygiene product, and education would be more emphasized.

Anti-inflammatory activity of various seaweeds in LPS-PG stimulated HGF-1 cells

윤현서(Hyun-Seo Yoon),김혜진(Hye Jin Kim),박충무(Chung-Mu Park) 한국구강보건과학회 2020 한국구강보건과학회지 Vol.8 No.4

Objectives: Many seaweeds are considered important natural resources since their abundant bioactive compounds. The present study tried to analyze the anti-inflammatory activity of several seaweeds in the human gingival fibroblast (HGF)-1 cells. Methods: Lipopolysaccharide from Porphyromonas gingivalis (LPS-PG), one of the main causes in the progression of periodontal inflammation, was applied to induce inflammatory response in HGF-1 cells. Nitric oxide (NO) was used as one of the hallmarks for inflammation, which was analyzed by the Griess reaction. The protein expression level of inducible NO synthase (iNOS) was identified by the Western blot analysis. Results: Inhibitory effect of NO production was investigated in the ethanol extracts of Asparagopsis taxiformis Trevisan de Saint-Léon (ATEE), Distromium decumbens (Okamura) Levring (DDEE), Galaxaura fastigiata (GFEE), Hypnea japonica Tanaka (HJEE), Myelophycus simplex (Harvey) Papenfuss (MSEE), and Scytosiphon canaliculatus (Setchell & N.L. Gardner) Kogame (SCEE) in LPS-PG stimulated HGF-1 cells. As a result, ATEE and HJEE the most potently inhibited while GFEE and SCEE slightly ameliorated NO production without any cytotoxicity. But, DDEE and MSEE did not exhibit the extraordinary NO inhibitory effect in LPS-PG induced HGF-1 cells. Western blot analysis was also conducted to identify the inhibitory effect of both extracts, ATEE and HJEE that sharply attenuated NO production, in LPS-PG induced HGF-1 cells. ATEE and HJEE mitigated iNOS expression in a dose dependent manner, which was in accordance with the result of NO production. Conclusions: ATEE and HJEE in the algal extracts used in this study drastically reduced the LPS-PG-induced inflammatory response in HGF-1 cells. All of this ATEE and HJEE will be used as candidate substances for treatment and prevention of periodontal disease.

일부 병원 종사자들의 치과위생사에 대한 이미지 선호 경향

윤현서 ( Hyun Seo Yoon ),김정술 ( Jung Sool Kim ),이미옥 ( Mi Ok Lee ),김현대 ( Hyun Dae Kim ) 한국치위생과학회 2010 치위생과학회지 Vol.10 No.4

건강도시로 지정된 창원시 일부 초등학교 고학년 학생의 구강보건 지식과 실천

윤현서 ( Hyun Seo Yoon ),김진범 ( Jin Bom Kim ),전진호 ( Jin Ho Chun ) 한국치위생학회 2010 한국치위생학회지 Vol.10 No.1

Obiectives: The purpose of this study was to examine the oral health knowledge and practice of elementary school children in the upper grades in a WHO healthy city for the development of oral health education programs gearing toward improving oral health care habits and oral health. The subjects in this study were 379 sixth-grade children in an elementary school in a WHO healthy city, Changwon. Methods: The questionnaire used in the study covered general characteristics with five items, oral health knowledge with 35 items and oral health care practices with 24 items. The oral health knowledge category consisted of general oral health knowledge with 13 items, knowledge on oral hygiene management with 11 items, knowledge on fluoride use with 8 items and healthy diet knowledge with 3 items. The oral health care practice category consisted of general oral health care practice with six items, practice on oral hygiene management with 11 items, practice related to fluoride use with four items, and healthy diet practice with 3 items. Results: The surveyed school children got a mean of 46.1 and 40.8 on oral health knowledge and oral health care practices, respectively out of 100 points. In the knowledge category, they scored the lowest on healthy diet knowledge with 12.6, and in the practice category, they scores the lowest on the practices related to fluoride use with 21.4. According to the regression analysis, gender had a significant impact on their oral health knowledge. The boys lagged behind the girls in that regard. Their oral health care practices were under the significant influence of knowledge level. Conclusions: Systematic education programs should be provided to prevent dental caries and promote oral health of school children, and the type of programs that stress actual oral health care is especially important.