http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
정문진 ( Moon Jin Jeong ),정순정 ( Soon Jeong Jeong ),손정희 ( Jung Hui Son ),정성균 ( Sung Kyun Chung ),김아름 ( A Reum Kim ),강은주 ( Eun Ju Kang ),김은주 ( Eun Ju Kim ),김혜인 ( Hye In Kim ),장고은 ( Ko Eun Jang ),조민희 ( Min 한국치위생과학회 2014 치위생과학회지 Vol.14 No.4
To find out the effect of commercially available energy drinks on tooth enamel erosion, analyzed pH, buffering capacity, and the content of some of the inorganic components selecting 4 energy drinks that has high affinity of the products currently being sold. In addition, by observing the degree of erosion before and after immersion in energy drink by surface microhardness and scanning electron microscope (SEM) the results were as follows: Acidity of energy drink ?Burn Intense? was the lowest as 2.78±0.01 highest on distilled water as 6.475±0.01. ?Burn Intense? buffering capacity was 3.48±0.155 at pH 5.5, 1.88±0.15 at pH 7.0 which is the highest, and ?Hot6? was 1.71±0.37, 1.23±0.35 on each of it showing the lowest points. Ca content on energy drink was the highest at ?Volt Energy? as (77.21±2.70 mg/kg), the lowest at ?Hot6? as (0.98±0.05 mg/kg). P content was the highest on ?Hot6?(1.34±0.05 mg/kg) and detected at ?Red Bull?. Enamel surface hardness variation of the energy drinks before and after immersion showed rapid decrease at ?Red Bull? (66.65±35.60), and ?Volt Energy? (61.96±31.42), ?Burn Intense? (58.53±24.84), ?Hot6? (53.99±60.26) was in order. Distilled water, the control group, showed significant difference with the experimental group (p<0.05). But there was no significant difference between energy drinks. At SEM observation and analysis, ?Burn Intense? was the most severe demineralization, ?Volt Energy?, ?Hot6?, ?Red Bull?, distilled water was in order. In the above results, taken together there were no statistically differences between energy drinks but significant difference in comparison with distilled water. In addition, at SEM observation and analysis all energy drink caused dental erosion, especially ?Burn Intense?, has the lowest acidity, was serious. Thus, it is believed to provide a variety of oral health education and information about energy drinks that can affect the erosion of the teeth so public have the right to be recognized and reasonable dental care.
정상법랑질과 인공우식법랑질에 불소바니쉬 도포 후 항우식 효과 비교
정문진 ( Moon Jin Jeong ),임지향 ( Ji Hyang Lim ),민지혜 ( Ji Hye Min ),정순정 ( Soon Jeong Jeong ),손정희 ( Jung Hui Son ),임도선 ( Do Seon Lim ) 한국치위생과학회 2013 치위생과학회지 Vol.13 No.4
In order to examine the anticariogenic effect after fluoride varnish was applied to sound enamel and artificial caries enamel, anterior teeth of healthy cattle were used and divided into four groups such as group 1 (sound enamel), group 2 (application of fluoride varnish to sound enamel), group 3 (artificial caries enamel) and group 4 (application of fluoride varnish to artificial caries enamel). Remineralization on the surface of enamel and changes of crystalline structure after demineralization were observed by using a field emission scanning electron microscope (FE-SEM). Quantitative analysis of Ca and P was measured by using the energy dispersive X-ray spectrophotometer (EDS). The following conclusions were obtained: 1)Surface pattern of enamel was the roughest in group 3 due to the defects caused by porosity and microcracks. Group 4, group 1 and group 2 were followed in order; 2) It was found that pattern of crystalline structures in a group of application of fluoride varnish and a group of no application showed bigger change in artificial caries enamel than that in sound enamel. In other words, groups 4 and 1 showed a similar pattern; 3) The contents of Ca and P were higher in groups of application of fluoride varnish (group 2 and group 4) than in groups of no application of fluoride varnish (group 1 and group 3). Taken results of this study together, in the case of application of fluoride varnish, crystalline structure was changed by remineralization even in the sound enamel. In particular, porous structures showed a smooth and uniform pattern due to the recalcification in the artificial caries enamel. In addition, according to results of EDS analysis, the contents of Ca and P were increased and it had great anticariogenic effects which inhibit decalcification of sound enamel and artificial caries enamel.
우식성 열구에 적용한 치면열구전색의 이차 우식에 대한 영향과 사용 실태
정문진 ( Moon Jin Jeong ),김아름 ( A Reum Kim ),김민지 ( Min Ji Kim ),정순정 ( Soon Jeong Jeong ),손정희 ( Jung Hui Son ),정성균 ( Sung Kyun Chung ),임도선 ( Do Seon Lim ) 한국치위생과학회 2014 치위생과학회지 Vol.14 No.4
This study was designed to investigate the using status and awareness of pit and fissure sealant, and how it affects on secondary caries when performed on above of initial caries. After classifying 446 occlusal surface into four groups, performed pit and fissure sealant, induced artificial caries, used DIAGNOdent (Kavo) to measure degree of secondary caries. Also, distributed a questionnaire on dental clinic in metropolitan area to find out using status and awareness of pit and fissure sealant, the following results were obtained. 1) On inspection and percussion, Group 4 corresponding to the enamel caries showed the highest secondary caries after sealant and was statistically significant difference in the order of initial group, stained group, sound group (p<0.05). 2) Inspection showed the highest percentage on tooth fissure caries diagnostic methods before sealant. 3) 56.6% didn`t know about DIAGNOdent, 91.6% didn`t have it. 4) In clinically, the most cause of secondary caries after sealant was a broken sealant, making caries on the downward. Based on the results of above study, degree of caries under sealant could affect on secondary caries, needs publicity about the use and necessity of objective fluorescence device.
정선주 ( Sun Ju Jeong ),김정인 ( Jung In Kim ),김지연 ( Ji Yeon Kim ),반세희 ( Se Hee Ban ),엄지영 ( Ji Young Um ),정문진 ( Moon Jin Jeong ),임도선 ( Do Seon Lim ),정순정 ( Soon Jeong Jeong ) 한국치위생과학회 2014 치위생과학회지 Vol.14 No.4
We conducted a study to access the effectiveness of glove and washing hands for the prevention of microbial contamination during the dental clinical practice. Microbial numbers at unwashed hands and gloves were 9.938×103 (CFU)/ml, those at washed with soap were 9.44×103 CFU/ml And those at washed with a typical liquid soap including disinfectant, Dettol (Reckitt Benckiser, Slough, SL1 3UH, UK) were 6.58×102 CFU/ml. In case of unwashed hand and hand washing with soap had similar microbial numbers and in case of hand washing with Dettol showed a rapid decrease of microbial number. Hand washing with Dettol was effective to prevent microbial contamination than hand washing with soap. Also microbial numbers in all case wearing gloves decreased. It showed effectiveness of gloves for prevention of microbial contamination. In addition to microbial numbers showed a tendency to increase from 3 hours on wearing gloves, the change of new gloves after 3 hours on wearing is necessary to minimize the danger of microbial contamination.
정문선 ( Moon Sun Jeong ),테오도르퀘이블 ( C. Theodore Koebel ),마가렛브라이언트 ( M. Margaret Bryant ) 한국환경영향평가학회 2015 환경영향평가 Vol.24 No.2
The paper reports on exploratory research into the factors influencing adoption of low impact development (LID) regulations by local government. The research uses ten case studies ranging from low to high level adoption of LID in Virginia. Based on the theory of diffusion of innovations, perceived characteristics of LID, characteristics of the adopting local government, motivations of the adopter, and the surrounding organizational context of the adopter are chosen for the key factors influencing on LID adoption. By reviewing the local governments regulations related to stormwater management, meeting minutes, reports and documents, and in-depth interviews, the evaluation of the key factors and the local LID adoption was conducted. As a result, adopters with a high level of LID adoption at the time of the study were heavily influenced by champions of LID within local government and communities. In contrast, moderate level adopters and low-level adopters emphasized the importance of external forces like state regulatory mandates and the need for clear models to implement.
정문성(Jeong, Moon Seong),전영은(Jeon, Young Eun) 한국사회과교육연구학회 2016 사회과교육 Vol.55 No.4
본 연구의 목적은 법교육으로서 저작권교육의 수업양상을 분석하고 시사점과 대안을 찾기 위함이다. 이를 위해 수업환경과 수업방법을 준거로 308개의 저작권 수업보고서를 분석하였다. 분석결과 및 시사점과 대안은 다음과 같다. 첫째, 법교육의 효과적인 수업방법 원칙이 사례 중심이어야 하고 학생들의 상호작용이 활발한 수업임을 비교해 볼 때, 전반적으로 학생들의 상호작용 활동 중심의 수업은 다소 미흡한 것으로 보인다. 설명식 수업의 비중이 많고, 학생의 상호작용이 힘든 일제형 책상배치가 많은 것으로 나타났다. 둘째, 저작권교육의 내용 주제에 따라 수업방법은 달랐다. 예를 들어 저작권 보호의 경우 저작권법, 저작물 개념과 종류, 저작권 개념과 분류, 저작권 침해, 저작물의 이용, 저작권 공유, 저작권 문화 등 다른 7개의 주제에 비해 책상배치에서 모둠형, 협동학습구조, 민주적 환경, 토의 등 활동 수업의 비중이 높았다. 이는 내용 주제에 따라 좀 더 효과적인 수업방법 적용 가능성이 있다는 것을 시사한다. 셋째, 수업의 물리적 환경이 저작권교육 수업방법에 영향을 미쳤다. 내용 주제에 관계없이 합반인 경우 대부분 수업배치가 일제형이었고, 권위적 환경이 높았으며, 개별화수업을 많이 활용하였다. 그러므로 형식적 저작권교육이 아니라 학급단위의 심도 있는 저작권교육이 필요하다. 넷째, 저작권이 일반적인 시민생활에 밀접하게 관련된 현실에서 저작권교육이 사회과교육과정에 더욱 반영되어야 한다. The purpose of this study is to analyze the effectiveness of copyright education program as a legal studies curriculum at middle school and to suggest practical improvements to schools. For this study, we selected 308 teachers’ reports of school activities from 43 middle schools. Results of this study are as follows: First, with a perspective that a legal studies programs should adopt student-centered pedagogy where case-studies and interactive discussions among students are encouraged, reports show less evidence of such activities. Second, although there were some signs of student-centered teaching methods, it was only practiced in one of eight subject materials of copyright education curriculums. For this reason, this study outlines suggestive teaching methods compatible with various subject contents. Third, although classroom environment, such as desk arrangements should be altered compatible with subject materials and students’ learning objectives, such alterations rarely happened. It was found traditional lecture style teaching methods and forward facing classroom style arrangements were apparent regardless of changes in subject contents. Fourth, as students readily use the internet where most likeliness of intended or oversight copyright infringements can happen, this study reiterate that it is imperative to include copyright education programs within the social studies curriculum.