치과위생사의 직장선택 요인과 이직의 관련성 -수도권 일개대학 졸업생 설문을 중심으로-

유자혜 ( Ja Hea Yoo ),노희진 ( Hie Jin Noh ) 대한예방치과·구강보건학회 2009 大韓口腔保健學會誌 Vol.33 No.4

Objectives: The purpose of this study was to provide the dental hygiene students and dental hygienists with information to reduce turnover rate among dental hygienist in Korea. We analyzed the relationship between the factors of job selection and turnover among the dental hygienists. Methods: The survey was conducted to the dental hygienists who graduated a dental hygiene school in Metropolitan Area by an e-mail in 2008. 179 dental hygienists of the requested by an e-mail have completed the questionnaire and replied us. The frequency analysis and Chi-squire test were conducted to analyze the data. Results: Turnover was related to working experience, period of working at current position, scale of working place, and income among the dental hygienists. The dental hygienists were affected to turnover who were recommended by someone around them to get a job. The dental hygienists thought that honesty and good persygiencharacters are required to get a job. Employee welfare and concern are considered to choose a job. Conclusions: According to this study, the dental hygienists determine to turnover for several reasons. Job selection factors affected to turnover rate among the dental hygienists. For this reason the dental hygienist should consider their concern and employee welfare in getting a job to work longer at their own work place.

일부 중학생의 보건교육경험에 따른 칫솔질과 손 씻기 실천의 연관성

유자혜 ( Ja Hea Yoo ),남용옥 ( Yong Ok Nam ) 한국치위생학회 2015 한국치위생학회지 Vol.15 No.1

Objectives: The purpose of this study was to investigate the relationship between toothbrushing and hand washing according to health education experience in middle school students. Methods: The subjects were 480 students of four middle schools in Y region. This is a cross sectional study and the study instrument was adapted from the knowledge, attitude and practice of hand washing and toothbrushing in elementary school students by Jung. Cronbach’s alpha was 0.87 in the study. The questionnaire consisted of 5 questions of the general characteristics of the subjects, 5 questions of hand washing knowledge, 3 questions of hand washing behavior, 3 questions of health education experience. Toothbrushing questionnaire consisted of 10 questions of knowledge, 5 questions of behavior, 5 questions of health education experience, and 5 questions of dental health care facilities within schools. Data were analyzed by PASW 20.0 program. Results: Toothbrushing more than three times a day accounted for 76.8%. Those who receiving health education in elementary school accounted for 41.5% and those who had not accounted for 58.5%. Health education experience(75.8%) led to toothbrushing after meal(p<0.05). Those who receiving health education in elementary schools had 1.76 times of toothbrushing after meal than those who had not(p<0.01). Conclusions: Middle school students receiving health education had a tendency to do toothbrushing and hand washing frequently.

치과위생사의 해외취업의사에 영향을 미치는 요인

유자혜 ( Ja Hea Yoo ),김영진 ( Young Jin Kim ),노희진 ( Hie Jin Noh ) 한국치위생학회(구 한국치위생교육학회) 2013 한국치위생학회지 Vol.13 No.6

Objectives: The purpose of this study is to examine the relationship between general characteristics and the intention of overseas employment and job satisfaction by Korean dental hygienists. Methods : We conducted a survey of 562 dental hygienists working in dental clinics nationwide. Collected data were analyzed by using the SAS(Version 9.2, SAS Institute, Cary, N.C.) package. χ2 test was used to determine the general characteristics of the subjects including job satisfaction level and intention to work abroad. Results : Old aged dental hygienists tended to work in the country rather than abroad(p<0.05). Higher job satisfaction was closely related to working hours, monthly income, social status, and stability of employment(p<0.05). Job satisfaction was concerned with intention to overseas employment. The main purpose of overseas employment included economic benefits(35.99%), self realization(26.75%), and improvement of working condition(21.66%) in the group of overseas employment(p<0.05). The obstacles to overseas employment were mastery of language proficiency(60.94%) and related information(21.89%) in those who want to work abroad. Conclusions : In order to increase the number of Korean dental hygienists for overseas employment, it is necessary to improve working competence and job satisfaction.

스케일링 실습수업 전후 수부의 악력 및 파지력 비교분석

유자혜 ( Ja Hea Yoo ),이민영 ( Min Young Lee ),이상용 ( Sang Young Lee ) 한국치위생학회(구 한국치위생교육학회) 2013 한국치위생학회지 Vol.13 No.1

Objectives: The purpose of the research is to measure Dental Hygiene students` level of musculoskeletal pain before and after receiving scaling training which involves repetitive operations and examine effects the operations have on the students` grip and pinch strength. Methods: 15 subjects in Dental Hygiene at Y university located in Chungbuk were tested on November 2, 2011. Results: 12 students had a musculoskeletal pain before receiving scaling training. However, all the 15 students had a musculoskeletal pain after the training. Body part the largest number of the students complained of the pain on was shoulders(37.9%) followed by neck(20.8%), waist(13.9%), wrists(10.3%), then back(6.9%) before receiving the training. Then the result showed that shoulders are where the largest number of students(24.1%) felt the pain, followed by neck(17.2%), wrists and fingers(13.8%), waist(12.1%), back and lower arms(6.9%), then palms(5.2%) after the training. Visual Analogue Scale(VAS) increased to 6.35±2.09 after receiving the training from 3.31±3.38 and this shows statistically significant difference(p<.001). Upon inspection, average grip strength decreased to 23.23±5.79kg from 25.00±4.51kg after receiving the training and this shows statistically significant difference(p<.05). Key pinch was the strongest among the three pinch strengths followed by tripod pinch then tip pinch. Average of all the three pinch strengths showed to have statistically significant difference before and after the training(p<.05); Tip pinch from 6.53±1.36 to 5.87±1.3, key pinch from 13.47±2.5 to 12.53±2.30, and tripod pinch from 9.27±3.04 to 8.03±2.72. Conclusions: The result showed that scaling training has effects on Dental Hygiene students` musculoskeletal subjective symptoms and their grip and pinch strength changes after receiving the training.

일부 치위생학과 학생들의 병원실습 만족도와 스트레스 요인에 관한 연구

유자혜 ( Ja Hea Yoo ),김정희 ( Jung Hee Kim ) 한국치위생과학회 2016 치위생과학회지 Vol.16 No.1

The purpose of this study was investigate the relationship between the degree of satisfaction of the clinical practice and the stress factors for dental hygiene students. Dental hygiene students to 232 people from May 21, 2012 to June 22, 2012 and analyzed using by SPSS for Windows ver. 12.0 program. Regarding the stress factors, by the school system, all the factors, including the environmental factor, the role factor, the interpersonal relationships factor, the ideal and value factor, and the Brief Encounter Psychosocial Instrument (BEPSI) were higher in the 3-year system than in the 4-year system (p<0.01). Regarding the stress factors according to the degree of satisfaction regarding the practices, all the factors were high when unsatisfied. Among these, the environmental factor was the highest (p<0.001). According to the practice organization, the environmental factor was the highest among the university dental hospital. The interpersonal relationship factor and the ideal and value factor were the highest among the dental hospitals. The role factor and the BEPSI were the highest among the dental clinics (p<0.01). When the hospital atmosphere was bad, the environmental factor was the highest (p<0.001). As a result of analyzing the correlations between the stress factors of the hospital practices, there were the positive correlations among the environment, the roles, the interpersonal relationship, the ideals and values, and the BEPSI (p<0.01). The stress factor that showed the biggest influence on the BEPSI was interpersonal relationships. In the clinical practice, because of the unfamiliar environment and the insufficiency of the interpersonal relationships, the stress indices of the students can be higher than at ordinary times. I believe that, as such, a systematic management plan for the clinical practice for raising the ability of the students to cope with the stress by themselves must be prepared.

한국의 보건소 근무 치과위생사의 공중구강보건사업 수행업무실태와 대학교육간의 연관성

유자혜 ( Ja Hea Yoo ),조영식 ( Young Sik Cho ),정원균 ( Won Gyun Chung ),권호근 ( Ho Keun Kwon ) 한국치위생과학회 2005 치위생과학회지 Vol.5 No.4

Dental Prescale과 편측 교합력 측정기를 이용한 정상성인의 교합력 비교

권호근,유자혜,권영숙,김백일,Kwon Ho-Keun,Yoo Ja-Hea,Kwon Young-Sook,Kim Baek-Il 대한치과보철학회 2006 대한치과보철학회지 Vol.44 No.1

Statement of problem: The previous unilateral bite force recorder has several limitations for taking long time for measuring and causing discomfort to subjects. Because of these reasons, it could not use widely for epidemiological researches. However, 'Dental Prescale System' which is new equipment for measuring bite force, is more convenient for measuring bite force than previous unilateral recorder. Purpose: The purpose of this study was to compare a new technique(Dental Prescale System) using pressure sensitive foils for recording of maximal jaw closing force with conventional measurement using unilateral bite force recorder Material and method: This studies included 22 healthy dental students in college of dentistry Yonsei university in Rep of Korea. Mean age was 23.9 years. All subjects had continuous dental arches and no significant malocclusion or signs from the teeth and craniomandibular system. The Dental Prescale System (Fuji Film, Tokyo, Japan) consists of a horseshoe-shaped pressure sensitive sheet (50H, R type) and a computerized scanning system.(FPD705) We also used unilateral bite force recorder(Denbotics Co. Seoul, Rep.Korea) for comparing with Dental Prescale. Results and conclusion: The total bite force recorded with Dental Prescale System (1423 N) was systematically higher than that recorded by unilateral bite force recorder. (256 N) However, the maximum bite force values measured in the two ways were significantly correlated (r=0.46, p<0.05). The Dental Prescale bite force calculated for first molar (208 N) was lower than that recorded by unilateral bite force recorder. (256 N) The two values were also very significantly correlated. (r=0.66. p<0.001) There were significantly different in bite force between two measurement methods. The reasons were first, unilateral bite force recorder measured only the bite force of a part of teeth, and Dental Prescale measured the total teeth force. Second, in measurement, a difference in muscle contraction appeared by an extent of mouth-opening. Third, unilateral bite force recorder has the reducing effect of the bite force by protective tape. Fourth, Dental Prescale has limitations during the computer scanning procedure. Therefore, Dental Prescale System is considered to be a very promising alternative to be conventional bite force recording methods.

일부 선진국 치과위생사의 교육제도, 자격인증제도 및 업무범위

남용옥 ( Yong Ok Nam ),유자혜 ( Ja Hea Yoo ) 한국치위생학회(구 한국치위생교육학회) 2014 한국치위생학회지 Vol.14 No.4

Objectives : The purpose of the study is to investigate the education, certification system, and extent of duty of dental hygienist between Korea and five developed countries including United States, Canada, England, Australia, and Japan. Methods : Internet based access to five developed countries was made and the analysis was done for the definition of occupation, main duties, similar occupations, education policy, job descriptions, license certification system, standards of duty, Q & A management, current status of obtaining certification, and scope of work. Results : United States has a two-year associate degree(AS) and a four-year bachelor degree(BS). Canada has two to three years degree and a two-year course is accepted in england and Australia. In the meanwhile, Korea and Japan have two-year and four-year educational courses. The duty of dental hygienists includes the prevention education for dental health and continuing dental health care. Most of the dental hygienists in Korea and Japan play the assistant roles for the dental surgeons. United States has national board examinations including written examinations, practical examinations, and computer assisted examination. Written and practical examinations are also conducted in Korea. England and Australia have the recognized educational organizations for qualification. Conclusions : Problem based and problem solving skills are the most important in dental hygienist education in Korea. The training of highly competent dental hygienists must be done for the improvement of dental hygiene in Korea in the near future.

인공위성 태양전지배열기의 부분 그림자 효과에 따른 전력 분석

박희성(Heesung Park) 전력전자학회 2020 전력전자학술대회 논문집 Vol.2020 No.11

일부 특수학교 교사의 구강보건지식, 실천 및 인식도 조사

김정희 ( Jung Hee Kim ),유자혜 ( Ja Hea Yoo ) 한국치위생학회(구 한국치위생교육학회) 2014 한국치위생학회지 Vol.14 No.5

Objectives : The purpose of this study is to investigate the knowledge, practice, and awareness toward oral health in the special school teachers. Methods : A self-reported questionnaire was filled out by 133 teachers in special education schools in Seoul, Gyeonggi-do, Chungbuk, and Jeonbuk. Data were analyzed using the statistical package SPSS WIN 12.0 for frequency, t-test, one-way ANOVA, Scheffe test(post hoc test), and Pearson´s correlation coefficient. Results : In oral health knowledge, the average score of female teachers was 8.31 in comparison to 7.75 in male teachers(p<.05). In oral health practice, the average score of female teachers was 3.71 and that of male teachers was 3.69. In oral health awareness, the average score of female teachers was 4.12 and male teachers had 3.93. The teachers in special schools had a close positive correlation between oral health awareness and practice(r=.448, p<.05). Conclusions : The teachers tended to have better knowledge of oral health but they did not practice the oral health behavior. The teachers have the important role in oral health management for the disabled children by providing the right toothbrushing method.