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하악 소수 잔존치에서 텔레스코픽 의치를 이용한 수복 증례
오상민,이재훈,Oh, Sang-Min,Lee, Jae-Hoon 대한치과보철학회 2015 대한치과보철학회지 Vol.53 No.1
하악의 잔존 치조제가 얇고 낮은 증례에서 국소의치를 이용한 수복은 잔존 치조제에서 적절한 전후방의 안정성 및 지지를 얻을 수 없어 환자에게 불편함을 주고 치조제에 과도한 교합력을 주게 된다. 또한 서로 멀리 떨어진 소수의 잔존치가 남았을 경우 스플린트하기 어렵고, 스플린트를 하지 않을 경우 고립 지대치가 되어 현명한 치료가 될 수 없다. 이와 같은 경우 텔레스코픽 시스템은 클래스프 의치에서 발생될 수 있는 치아에 작용하는 무리한 측방하중을 줄여주며, 안정적이고 확실한 유지력과 견고성을 갖는다는 장점이 있다. 본 증례는 전반적인 중등도의 치주염으로 인해 상악은 무치악, 하악은 소수 잔존치가 남은 상태에서, 상악은 총의치, 하악은 텔레스코픽 의치로 수복한 증례이다. 치료 계획 시 서로 멀리 떨어진 하악 소수 잔존치가 남고, 적절한 지지를 얻을 수 없는 치조제를 가져 클레스프 의치를 수복하더라도 많은 불편함과 어려움이 있을 것으로 판단되어, 텔레스코픽 의치로 수복하였다. Restoration of a patient with thin and low residual ridges using a removable partial denture cannot provide proper anterioposterior stability and support, so it results in patient discomfort and severe occlusal force. Also, when a small number of residual teeth are far apart from one another, it is difficult to splint. When these teeth are not splinted, they become solitary abutments, which is not a wise treatment decision. In this case, telescopic system reduces severe lateral load on abutments resulting from a clasp denture and it provides stable and definite retention and solidity. In this case report, a patient exhibited full edentulism in maxilla, and a small number of residual teeth in mandible, which were restored with a complete denture and a telescopic denture respectively. In treatment planning, it was concluded that a patient was restored with a telescopic denture since it was highly probable that a clasp denture would create discomfort and difficulty due to a small number of residual teeth located far apart and residual ridges without proper support.
구조 부재의 형상적 특성 기반의 실내 포인트 클라우드 데이터의 표준화 알고리즘 개발
오상민 ( Oh Sangmin ),차민수 ( Cha Minsu ),조훈희 ( Cho Hunhee ) 한국건축시공학회 2023 한국건축시공학회 학술발표대회 논문집 Vol.23 No.1
As the shape and size of detectable objects diversifying recognition and segmentation algorithms have been developed to acquire accurate shape information. Although a high density of data captured by the repetition of scanning improves the accuracy of algorithms the high dense data decreases the efficiency due to its large size. This paper proposes standardization algorithms using the feature of structural members on indoor point cloud data to improve the process. First of all we determine the reduction rate of the density based on the features of the target objects then the data reduction algorithm compresses the data based on the reduction rate. Second the data arrangement algorithm rotates the data until the normal vector of data is aligned along the coordinate axis to allow the following algorithms to operate properly. Final the data arrangement algorithm separates the rotated data into their leaning axis. This allows reverse engineering of indoor point clouds to obtain the efficiency and accuracy of refinement processes.
도시이미지 향상을 위한 공사 가림막 표현특성에 관한 연구
오상민(Oh, Sang-Min),한영호(Han, Young-Ho) 한국실내디자인학회 2011 한국실내디자인학회논문집 Vol.20 No.3
Today, construction fence screens which were understood simply as structures of separating people from the dangers of construction sites have evolved into landmarks to enhance the images of Cities. Now, construction fence screens should have the function as landmarks stimulating people’s sensibility through providing aesthetic values as well as the function of protecting people from the dangers of fields of construction. For this reason, this study tried 1) to show the relationships among these 4 classifications. is 4 realms of Human Beings - Cultural - Ecological - Digital in the expression methods of the construction fence screens of Seoul and 2) to simplify the characteristic elements of construction fence screens by way of extracting with Ecology, Installation Art, Symbolic, Commercial Expression. This study examined whether or not the construction fence screens of Seoul were playing the role as landmarks stimulating people"s sensibility with sustainable improvement to the environment of Seoul as public design structures, by investigating some of the construction fence screens of Seoul. Also through analyzing the diversity of expression methods of the construction fence screens of other local governments as well as those of Seoul, we hope that they will be the public structures for enhancing the images of Cities.
건설장비의 탄소배출량 산정에 미치는 유휴시간의 영향 분석
오상민 ( Oh Sangmin ),이동윤 ( Lee Dongyoun ),강고운 ( Kang Goune ),조훈희 ( Cho Hunhee ),강경인 ( Kang Kyung-in ) 한국건축시공학회 2017 한국건축시공학회 학술발표대회 논문집 Vol.17 No.1
Effect of variable factors on carbon emissions in construction industry is hard to analysis. Therefore this study analyzies effect of variable factors on carbon emissions. This study shows importance of variable factors and emphasizes need of estimation of carbon emissions considering variable factors.