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      • KCI등재

        수위와 지진을 고려한 제방의 액상화에 대한 복합재해 취약도 곡면 작성

        황지민,조성은,Hwang, Ji-Min,Cho, Sung-Eun 한국지반공학회 2018 한국지반공학회논문집 Vol.34 No.6

        지반의 액상화는 지진 피해의 대표적인 형태 중 하나이다. 이는 막대한 인적 경제적 피해를 줄 수 있는 현상으로, 지반구조물의 설계 전 필수적으로 검토해야 하는 대상이다. 본 연구에서는 하천 제방을 대상으로 임의의 지진 규모와 수위에서 액상화에 대한 실용적인 복합재해 취약도 곡면 작성법을 제시하였다. 지반의 파괴 정도를 나타내는 액상화 가능 지수(LPI)로 제방의 액상화에 대한 한계상태를 정의하였다. 지반 물성치의 불확실성을 고려하기 위해 Monte Carlo Simulation 기반의 확률론적 해석을 수행하였고, 해석 결과를 바탕으로 임의 수준의 수위와 지진 규모에 대하여 액상화에 의한 파괴확률을 나타내는 3차원의 취약도 곡면을 작성하였다. 작성된 복합재해 취약도 곡면은 홍수 및 지진에 대한 제방의 안전성 평가와 취약지역에 대한 위험도 평가에 사용될 수 있다.

      • KCI등재
      • KCI등재
      • KCI등재

        현행 노인장기요양보험제도에 대한 치과위생사의 인식 및 요구

        황지민 ( Ji Min Hwang ),박용덕 ( Yong Duk Park ) 대한예방치과·구강보건학회 2009 대한구강보건학회지 Vol.33 No.3

        Objectives: The purpose of this study is to identify and analyze the dental hygienists` supports and demands regarding the Long-term Senior Care Insurance System, which has been enforced since July 2008. This system was expected to go through trials and errors, so that it can provide reference materials with which to formulate a new LSCI System for oral health and contribute to improving the effectiveness of this system. Methods: This study was used a formulated self-administered questionnaire form to survey dental hygienists working in Seoul and the adjacent metropolitan areas from January to April 2009. As a result, this study collected a total of 259 completed questionnaire forms. All the collected survey data was processed using SPSS ver 12.0 for the data analyses such as frequency analysis, descriptive statistics, independent t-test and one-way ANOVA, in addition to using Pearson`s correlation coefficient to determine any potential correlations among the variables. Results: It was found that 50.6% of the respondents replied that they knew just the name of the LSCI System, but only 4.2% respondents knew about the detailed coverage of the LSCI System. This study used a 5-point scale to survey the dental hygienists` needs for the LSCI System. It was found that our respondents scored the highest mean points (3.96) in favor of enforcing the LSCI System, while scoring the lowest mean points (3.08) in favor of an extra premium payable under the LSCI system. According to the analysis for the potential correlations between the needs for the LSCI System and the related variables, it was found that the standard of the LSCI System for the disabled was positively correlated with favoring the enforcement of the LSCI system (r=.213) (p<0.001). Conclusions: It is concluded that dental hygienists have very low awarenss about the overall matters of the current LSCI system, but most of them showed positive utews about the LSCI system and the wider range of bhowfits from it. Thus, it is em,ortant that our government should eventually prepare a public relation program suitable for public of thepersonnel in the interest of the LSCI system`s stable establishment and aem sation. Furthermore, policyof torts needs to be made to extend the coverage into a gortter, ortion of the ppoulation, including the disabled, so that the LSCI System will be successfullyofstablished as substantial national system based on national trust and peace of mind.

      • KCI등재

        치과건강보험에 관한 치과의료공급자의 인지도 및 만족도

        황지민 ( Ji Min Hwang ),김지현 ( Ji Hyun Kim ),박용덕 ( Yong Duk Park ) 대한예방치과·구강보건학회 2010 대한구강보건학회지 Vol.34 No.2

        Objectives. The purpose of this study was to examine the awareness and the satisfaction of dental practitioners with the dental health for improving the dental health insurance plans. Methods. We surveyeddental practitioners who selected by proportional stratified sampling among dental hospitals in Seoul, Incheon and Gyeonggi Province registered with the Korea Dental Association as of 2009. All collected survey data were processed using SPSS ver 12.0. Results. Practitioners were better aware of the necessity of the health insurance for the dental treatment (3.20±0.59) and were good satisfied with the reflection each of the opinions of consumers and specialists about the current insurance policies (2.38±0.65). Both dentists (n=84, 50.9%) and dental hygienists (n=141, 45.8%) gave top priority to scaling for inclusion in coverage. There was a significant positive correlation between the subfactors of the health insurance awareness and the satisfaction levels. Conclusions. To boost the awareness and satisfaction of dental service providers, the dental health insurance should accommodate the opinions both of consumers and practitioners.

      • KCI등재

        한국 청소년의 구강건강행위와 사회,인구학적 특성과 연관성

        황지민 ( Ji Min Hwang ),성정민 ( Jeong Min Seong ),김지현 ( Ji Hyun Kim ),유수민 ( Su Min Yoo ),박용덕 ( Yong Duk Park ) 대한예방치과·구강보건학회 2009 대한구강보건학회지 Vol.33 No.3

        Objectives: This study examined the oral health behavior and demographic characteristics of adolescents in order to provide information on how to disseminate the correct oral health behavior to youth and develop programs for that approach. Methods: The raw data of `The Third 2007 Youth Health Behavior Online Survey` carried out by the Korea Center for Disease Control and Prevention were analyzed. All survey data collected was processed using SPSS ver 12.0 for data analyses such as frequency analysis, independent t-test, one-way ANOVA and chi-square. Results: The demographic characteristics of the adolescents investigated revealed significant differences in their oral health behavior(p<0.001). In particular, there were significantly difference in toothbrushing according to gender and grade(p<0.001). In addition , there were significant differences in the frequency of visiting a dental clinic between genders, grades, residential areas(urban/rural) and types of school(p<0.001). There were significant differences between grades, residential areas and types of school in terms of whether they had received preventive dental treatment (p<0.001). Conclusions: Adolescents who were in the lower grades, female and dwelled in large urban communities visited dental clinics more and received more preventive dental treatment. On the other hand, those who resided in small urban and rural areas visited dental clinics less often and received less preventive dental treatment. These result highlight the need for the further development and spread of oral health programs.

      • KCI등재

        한국 치위생과 학생의 치열궁 크기 및 형태와 교합

        황지민 ( Ji Min Hwang ),이춘선 ( Chun Sun Lee ),한지형 ( Ji Hyoung Han ) 한국치위생과학회 2014 치위생과학회지 Vol.14 No.3

        The purpose of this study was to examine the size, form of dental arch and occlusion type in college students in our country and the relationship of the factors. The subjects in this study were 210 selected dental hygiene students. The collected data were analyzed by a statistical package PASW 18.0. When their size, form and occlusion of dental arch were analyzed, the inter-canine width of the maxillary was 34.38 mm, and theinter-first molar width was 52.05 mm. The canine depth was 8.60 mm, and the first molar depth was 28.69 mm. As for the mandibular, theinter-canine width was 26.42 mm, and the inter-first molar width was 44.83 mm. The canine depth was 5.54 mm, and the first molar depth was24.38 mm. Concerning the form of dental arch, the percentage of normal dental arch in the maxillary stood at 29.0, and that of crowding stood at 60.5. The percentage of spacing stood at 10.5. In the case of the mandibular, the percentage of normal dental arch stood at 29.0; crowding, 55.7; and spacing, 15.2. In relation to occlusion, the percentage of normal occlusion stood at 16.7. As to malocclusion, class I that accounted for55.7 was most common, and class II and class III respectively accounted for 20.5 and 7.1. When the size of dental arch was compared according to the form and occlusion of it, dental arch was largest (45.95 mm) in size when the form of dental arch in the inter-first molar width of the mandibularwas spacing. The size of dental arch was 44.73 mm when its form in the same region was normal, and that was 44.58 mm when its form in the same region was crowding (p=0.032). Regarding the relationship between the form and occlusion of dental arch, crowding was most common when there were class I, II and III of malocclusion both in the maxillary and mandibular.

      • KCI등재

        흡연환자의 효과적인 금연정책에 대한 연구

        황지민 ( Ji Min Hwang ),김응권 ( Eung Gwon Kim ),박용덕 ( Yong Duk Park ),한지형 ( Ji Hyoung Han ) 한국치위생과학회 2013 치위생과학회지 Vol.13 No.1

        The purpose of this study was to examine the subjective awareness of smoker patients about the preparation of smoking cessation plans in an effort to lay the foundation for smoking cessation policy setting. The subjects were the selected patients at a dental clinic. A self-administered survey was conducted to grasp their personal characteristics, and the selected answer sheets from 236 respondents were analyzed. The findings of the study were as follows: 1. As for the extension of existing smoking cessation plans, the largest group (32.6%) preferred smoking cessation education, followed by smoking cessation counseling (28.8%), prescription of an smoking cessation aid (18.6%). 2. Concerning the necessity of a smoking cessation law, the men and the women respectively gave 2.37 and 3.00 to that, and the gender gap was significant. The patients had a significantly different opinion on the necessity of a rise in tobacco price according to their occupation and monthly mean household income, and their took a significantly different view of the necessity of smoking cessation counseling according to their residential area. 3. As a result of analyzing the correlation between their on effective smoking cessation policies and the related variables, all the variables had a statistically significant correlation to each other. 4. As a result of analyzing their opinions on what institution should be in charge of smoking cessation plans, the biggest group answered that dental clinics should be responsible for smoking cessation-aid prescription (50.0%), and the largest group replied that smoking cessation education and smoking cessation counseling should respectively be provided by public dental clinics (37.3%) and dental clinics (44.1%).The above-mentioned findings suggest that the preparation of new smoking cessation measures and the extension of existing smoking cessation plans are urgently required, and that dentists and dental hygienists should make a concerted effort to offer counseling and education to stimulate dental patients to abstain from smoking.

      • KCI등재후보

        치위생과 학생의 임상실습 스트레스 반응과 인지적 유연성과의 관계

        황지민(Ji-Min Hwang),한지형(Ji-Hyoung Han) 대한치과의료관리학회 2024 대한치과의료관리학회지 Vol.12 No.1

        This study examined the correlation between stress responses experienced by dental hygiene students during clinical practice and cognitive flexibility. The final sample of 149 dental hygiene students was analyzed. The research period was from June 16 to September 30, 2024, and the cross-sectional survey was conducted through an online questionnaire. Descriptive statistical analysis was conducted to examine stress responses and cognitive flexibility. The relationship between stress responses and cognitive flexibility was analyzed using Pearson’s correlation. The general characteristics of the study were that 100.0% of the students were female, and 65.1% of the recent practicum sites were dental clinics. The total number of practicums during the school year was 3 (36.9%), and the total number of weeks of practicum was 9 to 12 (32.2%). Stress reactions had a mean of 2.01 on a 4-point scale, with subscales of 2.45 for tension and 2.14 for depression. Cognitive flexibility averaged 2.72 on a 4-point scale, with Alternatives at 3.10 and Control at 2.33. Stress responses and cognitive flexibility were statistically significantly positively correlated (r=.334,p<0.001). The correlations between each subscale were significant in all domains except for alternatives. For dental hygiene students, clinics are a process that requires them to adapt and overcome any stress they experience. To foster a healthy healthcare workforce in Korea, universities and departments should create an environment for students to adapt well

      • KCI등재

        치과 내원 환자들 중 흡연환자의 스트레스 정도 및 스트레스 관련 요인 분석

        황지민 ( Ji Min Hwang ),권하정 ( Ha Jeong Kwon ),박용덕 ( Yong Duk Park ) 대한예방치과·구강보건학회 2010 대한구강보건학회지 Vol.34 No.3

        Objectives. The purpose of this study was to examine the relationship of smoking to stress and related factors, which shouldn`t be overlooked in today`s society where quitting smoking was emphasized to improve the quality of life and health. Methods. The subjects in this study were clinical patients at six selected dental hospitals in and around Seoul. which involved one each from the southern and northern areas of Gyeonggi Province, one from Incheon and three from Seoul. There were more than 20 new patients in the selected dental hospitals on a daily basis, and the patients developed oral diseases due to smoking. This study was conducted for three months from January to March, 2010. The collected data were analyzed with a SPSS 14.0 program, and a frequency analysis, Pearson correlation coefficient and factor analysis were utilized to serve the purpose. Results. They got a mean of 80.03 out of possible 100 points in stress provoked by smoking. When the correlation among the smoking-related stress, stressors and stress-coping cost was investigated, there was a significant correlation on the whole. Out of eight smoking-related stressors, the closely related variables were categorized and simplified into three. Conclusions. The smoker dental patients were under heavy stress because of smoking, as they got 80.03. It seems to indicate that smoking is followed by distress such as anxiety or stress rather than eustress.

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