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수종Ceromer의 변연적합도와 파절강도에 관한 비교연구
장희원,이종혁,임헌송,조인호,Chang Hee-Won,Lee Jong-Hyuk,Lim Heon-Song,Cho In-Ho 대한치과보철학회 2005 대한치과보철학회지 Vol.43 No.4
Statement of problem: The use of Ceromer is increasing in dentistry. But, the research of Ceromer has not been conducted much. Purpose : This study was to evaluate the marginal fidelity and internal adaptation according to marginal position. Materials and Methods: In this study 60 resin crowns were fabricated. The measurements of the marginal fidelity were carried out using stereomicroscope $SZ-40^{(R)}$ (Olympus, Japan) and the measurements of fracture strength were done using Instron $8871^{(R)}$ (Instron Co., U.S.A.) at a cross head speed of 1mm/min. All of the measurements were statistically analyzed by ANOVA test, multiple range test and Weibull analysis. Statistical significance was set in advance at the probability level of less than 0.05. All of the measurements were analyzed with Window $SPSS^{(R)}$ Version 10.0 soft ware for the personal computer. Results : 1. There were no statistical differences of the marginal fidelity between $Targis^{(R)}$ and $Tescera^{(R)}$, but difference between these two and $BelleGlass^{(R)}$ according to materials. 2. There were no statistical differences of the marginal fidelity between no fiber group and fiber group. There were no interactions between each maerial and with/without fiber group in the marginal fidelity 3. There were statistical differences of the fracture strength between $Tescera^{(R)}$ and $BelleGlass^{(R)}$ but no statistical differences of the fracture strength between $Targis^{(R)}$ and $Tescera^{(R)}$, $Targis^{(R)}$ and $BelleGlass^{(R)}$ according to materials. 4 There were statistical differences of the fracture strength between no fiber group and fiber group. There were no interactions between each material and with/without fiber group in the fracture strength. 5. When comparing the fracture surface, no fiber group showed the resin which were fractured at the labial surface and separated from the adhesion surface. In fiber group, the fractures took a place in resin compartments. Conclusion. The marginal fidelity and the fracture strength were clinically acceptable. From these results, $Targis^{(R)}$ and $Tescera^{(R)}$ were superior than $BelleGlass^{(R)}$ in the marginal fidelity But, when applying these resin crowns in clinic, more careful consideration is needed and further study is recommended.
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엇갈린 교합 환자에서의 가철성 보철을 이용한 전악구강회복 증례
최유라,강정경,김나홍,장희원,Choi, Yu-Ra,Kang, Jeong-Kyung,Kim, Na-Hong,Chang, Hee-Won 대한치과보철학회 2017 대한치과보철학회지 Vol.55 No.1
엇갈린 교합을 가진 가철성 국소의치에서는 하중시 의치의 다양한 움직임과 불리한 안정으로 인해 환자의 만족감을 얻는 것이 어렵다. 편측 소수 잔존치 증례에서는 안정적인 양측성 지지를 확보하기 위해 임플란트 식립 또는 잔존치근을 이용한 추가적인 치료가 필요하다. 그러나, 본 증례에서는 고혈압, 협심증, 고령 등의 전신질환을 고려하여 가철성 국소의치를 치료방법으로 선택하였다. 엇갈린 교합으로 인해 수직고경이 상실된 환자에게 수직고경을 회복해 주기 위해서 정확한 진단과 분석이 필수적이며, 근신경계에 대한 적응을 파악해야만 수직고경을 회복해 줄 수 있다. In removable partial denture with crossed occlusion, it is difficult to meet the satisfaction of patient due to variable movement of denture and unfavorable stability under loading. In a case with few unilaterally teeth remaining, additional treatments such as implantation or residual root are required to assure bilaterally stable support. However, due to the medical condition of the patient with hypertension, angina and old age etc., removable partial denture was planned as treatment in this case. Proper diagnosis, accurate analysis and full understanding of the adaptation for neuromuscular system are necessary to recover the vertical dimension of patient from a decreased vertical dimension due to crossed occlusion.
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자문화기술지: 방법론적 특징을 통해 본 교육인류학적 가치의 탐색
박순용 ( Soon Yong Pak ),장희원 ( Hee Won Chang ),조민아 ( Mi Na Cho ) 한국교육인류학회 2010 교육인류학연구 Vol.13 No.2
자문화기술지는 기존의 문화기술지, 내러티브 탐구, 생애사 연구와는 달리 자전적(autobiographical)으로 주관성이 가미된 연구자의 경험을 토대로 글을 구성하고, 사회, 문화, 정치적으로 연결지어 해석하며, 문화기술지적(ethnographical) 방법이 차용되는 특성을 포함하고 있는 질적 연구방법이다. 이 논문에서는 아직 우리나라에 생소한 자문화기술지를 소개하고 자문화기술지의 발달 과정과 역사, 방법론적 가치, 그리고 교육인류학과 교사교육, 상담교육과 같은 학문 영역에서의 활용 가능성을 자문화기술지 고유의 방법론적 특성과 선행연구를 통해 발견하고자 한다. 보다 구체적으로 자문화기술지의 종류를 소개하고 연구 방법 단계에 있어서 주제선정, 자료수집, 자료 분석 및 해석, 글쓰기의 특징적인 면면을 살펴봄으로써 우리나라의 교육인류학 및 교육학 영역에서 다양하게 적용될 가능성이 있음을 시사했다. The purpose of this paper is to introduce the major characteristics and potential contributions of autoethnography in the fields such as anthropology of education, teacher education, and counseling education. Autoethnography is a rigorous qualitative research method that differs in its characteristics and practice from other methods such as ethnographic research, narrative inquiry, and life-history research. Autoethnography utilizes ethnographic methods to bring cultural interpretations to the autobiographical data of the researcher with the intent of understanding the self and its connection to others, thereby enabling in-depth cultural understanding of self and other. This paper will present practical guidance for conducting autoethnographical research by providing examples of existing literature, as well as clarifying the value and pitfall of autoethnography. It will also be shown that autoethnography has much to offer to social scientists in various fields, especially those concerned with raising cross-cultural understanding in a culturally diverse society.
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정은석 ( Eun Suk Jung ),천재희 ( Jae Hee Cheon ),이경주 ( Kyong Joo Lee ),이현정 ( Hyun Jung Lee ),장희원 ( Hui Won Jang ),전영은 ( Young Eun Chon ),정규식 ( Kyu Sik Jung ),장선정 ( Seonjung Chang ),홍성필 ( Sung Pil Hong ),김태일 대한장연구학회 2010 Intestinal Research Vol.8 No.2
Colitis Cystica Profunda (CCP) is an uncommon and benign disease entity characterized by mucoid cysts located in the submucosal layer of the colon. It can mimic cystic submucosal tumors or mucinous adenocarcinoma and is usually located in the rectum. CCP is found in the ascending colon less frequently. CCP manifesting as multiple cystic tumors, similar to pneumatosis cystoides intestinalis, has not yet been reported. Recently, a case of CCP mimicking pneumatosis cystoides intestinalis in the ascending colon was treated. Here this case is reported and the literature reviewed. (Intest Res 2010;8:187-190)
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