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임플란트 고정성 보철물을 이용한 가철성 국소의치의 합병증에 관한 임상적 평가
강수현,김성균,허성주,곽재영,이주희,박지만,Kang, Soo-Hyun,Kim, Seong-Kyun,Heo, Seong-Joo,Koak, Jai-Young,Lee, Joo-Hee,Park, Ji-Man 대한치과보철학회 2016 대한치과보철학회지 Vol.54 No.3
목적: 임플란트 지지 서베이드 고정성 보철물을 이용한 가철성 국소의치의 합병증을 임상적으로 조사하고, 임플란트 식립위치, 보철물 연결고정여부, 국소의치의 유지장치 종류, 케네디 분류, 대합치에 따른 연관 관계를 조사하고자 하였다. 대상 및 방법: 2000년부터 2016년까지 임플란트 고정성 서베이드 보철물을 이용한 가철성 국소의치로 수복을 받은 환자 11명(남자 7명, 여자 4명)을 대상으로 하였다. 평균 연령은 67.5세였으며, 상악 7개, 하악 4개의 국소의치가 제작되었다. 장착된 국소의치 11개와 이를 지지하는 37개의 임플란트 고정성 보철물의 기계적 합병증, 잔존 자연치아 상태, 주변 연조직 상태 등 모든 합병증과 그와 관련된 요소를 조사하였다. 결과: 장착된 국소의치 11개를 지지하는 총 임플란트는 37개로 국소의치마다 평균 3.4 개의 임플란트 지지 서베이드 고정성 보철물이 이용되었다. 평균 41.5 개월의 추시 기간 동안 발생한 합병증은 임시시멘트 접착 탈락, 대합치 파절/동요, 나사 파절, 나사 풀림, 클래스프 헐거움, 상부 도재파절, 임플란트 주위 골 흡수/동요, 국소의치 인공치아 파절 순으로 발생하였다. 이러한 합병증은 구치부보다 전치부에서, 연결한 보철물 보다 연결하지 않은 보철물에서, 가공선 클래스프를 유지장치로 이용한 보철물에서, 대합치가 의치를 포함하는 보철물보다 자연치열인 경우 합병증 발생이 좀 더 높은 빈도로 나타난 것을 확인 할 수 있었다. 케네디 분류에 따른 합병증 발생 빈도 차이는 유의한 차이를 확인할 수 없었다. 결론: 임플란트 융합 국소의치는 장기간 사용되고 있고 충분히 효과적으로 기능하고 있었다. 하지만 아직까지 이러한 치료의 예후에 대한 축적된 임상 결과는 많이 부족한 실정이므로 좀 더 장기적인 임상 연구가 필요한 상황이다. Purpose: The purpose of this study was to identify clinical complications in removable partial denture (RPD) with implant-supported surveyed prostheses, and to analyze the factors associated with the complications such as location of the implant, splinting adjacent prostheses, the type of retentive clasps, Kennedy classification, and opposing dentition. Materials and Methods: A retrospective clinical study was carried out for 11 patients (7 male, 4 female), mean age of 67.5, who received RPD with Implant-supported surveyed prostheses between 2000 and 2016. The mechanical complications of 11 RPDs and 37 supporting implant prostheses and the state of natural teeth and peripheral soft tissue were examined. Then the factors associated with the complications were analyzed. Results: The average of 3.4 implant-supported prostheses were used for each RPD. Complications found during the follow-up period of an average of 42.1 months were in order of dislodgement of temporary cement-retained prostheses, opposing tooth fracture/mobility, screw fracture/loosening, clasp loosening, veneer porcelain fracture, marginal bone resorption and mobility of implant, artificial tooth fracture. Complications occurred more frequently in anterior region compared to posterior region, non-splinted prostheses compared to splinted prostheses, surveyed prostheses applied by wrought wire clasp compared to other clasps, and natural dentition compared to other removable prostheses as opposing dentition. There were no significant differences in complications according to the Kennedy classification. Conclusion: All implant-assisted RPD functioned successfully throughout the follow-up. However, further clinical studies are necessary because the clinical evidences are still not enough to guarantee the satisfactory prognosis of implant-assisted RPD for long-term result.
강수현 ( Soo Hyun Kang ),정원정 ( Wonjeong Jeong ),박은철 ( Eun-cheol Park ) 한국보건행정학회 2021 보건행정학회지 Vol.31 No.1
Catastrophic health expenditure refers to measure the level of the economic burden of households due to medical expenses. The purpose of this study was to examine the proportion of households that experienced catastrophic health expenditure between 2006 and 2019 using available data from the National Survey of Tax and Benefit (NaSTaB), Korea Health Panel (KHP), and Households Income and Expenditure Survey (HIES). Trend test was used to analyze the proportion of households with catastrophic healthcare expenditure. The households experienced a catastrophic health expenditure of 2.44% in 2019 using the NaSTaB data. Trend analysis was significant with the decreasing trend (annual percentage change [APC], -4.49; p<0.0001) in the proportion of households with catastrophic health expenditure. Also, the results of the 2017 KHP and the 2016 HIES showed 2.20% and 2.92%. The trend was significantly increased in the KHP (APC, 1.79; p<0.0001) and the HIES (APC, 1.43; p<0.0001). Therefore, this study suggests that further public healthcare interventions to alleviate the burden of catastrophic health expenditure, especially for low-income households, are needed.
이재현,조용성,강수현,박장식,김상식 ( Je Hyun Lee,Yong Seong Cho,Soo Hyeon Kang,Jang Sik Park,Sang Sik Kim ) 한국주조공학회 1997 한국주조공학회지 Vol.17 No.1
N/A There has been a considerable interest to develop the silicide alloys as high temperature structural materials because of their excellent high temperature stability and strength, however, their lack of room temperature ductility and toughness was a main obstacle for the application. In order to improve ductility while maintaining good high temperature properties, possible refractory metal-silicide eutectic alloys composed of fine two phases were prepared by VAR(Vacuum Arc Remelting). Three silicide alloys, Nb-Nb₃Si, Ti-Ti_5Si₃, V-V₃Si, were selected as prospecting silicide eutectics and those high temperature characteristics were evaluated by high temperature compression test.
유시완(Yu Si-Wan Kang),강수현(Kang Soo-Hyun),조영흠(Cho Young-Hum) 대한건축학회 2011 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.31 No.2(계획계)
Almost counrties are focusing energy reduction these days. Most energy consumption in buildings is used from HVAC system. In buildings, there"re many ways to reduce energy consumption. In this study, it is stated about minimum airflow of VAV terminal boxes and importance of energy saving in the existing building through reset of minimum airflow of terminal boxes. In this paper, after checking the present operation condition of terminal boxes in the existing office building, Energy simulation is performed through reset of the minimum airflow of terminal boxes.