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      • KCI등재

        $Br{\aa}nemark$ 임플랜트의 10년 후향적 임상연구

        배정윤,신상완,조현정,김영수,Bae, Jung-Yoon,Shin, Sang-Wan,Cho, Hyun-Jung,Kim, Young-Soo 대한치과보철학회 2007 대한치과보철학회지 Vol.45 No.1

        Statement of problems: There are few studies which reported the survival rates of the specific dental implant systems in the Korean population with the follow-up periods longer than 5 years. Purpose: This retrospective clinical study was aimed to evaluate cumulative survival rate (CSR) of $Br{\aa}nemark$ implants followed for 10 years and to determine risk factors for implant failure. Material and methods: A total of 271 $Br{\aa}nemark$ implants in 83 patients were investigated with several identified risk factors. Life table analysis was undertaken to examine the CSR. Cox regression method was conducted to assess the association between potential risk factors and overall CSR. Results: Thirty implants failed. The 10-year implant CSR was 82.5%. Cox regression analysis demonstrated a significant predictive association between overall CSR and implant length (P<.05). Conclusion: An acceptable long-term result of $Br{\aa}nemark$ implant was achieved and implant length showed a significant association with the CSR.

      • KCI등재

        공동주택 리모델링 제도의 개선방안에 관한 연구

        배정윤,정유선,윤정숙 대한건축학회 2005 대한건축학회논문집 Vol.21 No.6

        The purpose of this study was to provide the improvement plans and the future development guidelines of the apartment housing remodeling by analyzing the current situation and problems related to apartment housing remodeling and systematic improvement plans with specialists' interview surveys. As a result of the specialists' interview surveys on the plans to improve the apartment housing remodeling, there are as follows; (1) the construction regulations relaxation, the specific standards establishment through remodeling cases and the government support (2) the acquisition & registration tax reduction, the long-term loan relaxation of the national housing funds and the housing mortgage loan rate relaxation (3) the organization of the maintenance & administration system and the actualization of long-term repairing plans (4) the open building pursuit, various remodeling type development, remodeling related elements and parts development (5) the education, the marketing and the establishment of standard rules and standard construction cost for improvement plans concerning with the associations

      • KCI등재

        원산지별 감초추출물의 추출 조건별 항균활성

        배정윤 ( Jeong Yun Bae ),장하나 ( Ha Na Jang ),하지훈 ( Ji Hoon Ha ),박종호 ( Jong Ho Park ),박진오 ( Jino Park ),박수남 ( Soo Nam Park ) 한국미생물생명공학회(구 한국산업미생물학회) 2014 한국미생물·생명공학회지 Vol.42 No.4

        본 연구에서는 다양한 추출조건에서 원산지별 감초(한국은 제천감초, 우즈베키스탄산, 중국산) 추출물의 피부 상재균에 대한 항균활성을 확인하였다. 원산지별 감초추출물의 추출조건은 추출용매(30% EtOH, 85% EtOH), 온도(40oC,60oC), 시간(6 h, 12 h)을 조절하여 총 8군으로 설정하였다. 피부 상재균에 대한 항균활성은 disc diffusion assay, broth macrodilution assay 및 kill time curve assay에 의해 평가 되었다. 각각의 조건별 추출물들에 대하여 disc diffusion assay에 의해 각 원산지별 항균활성을 확인한 후, 가장 우수한 항균활성을 보인 추출 조건을 선정하였다. 한국산 감초추 출물(85% EtOH, 40oC, 12 h)이 가장 우수한 항균활성을 보였으며, 특히 P. acnes에 대하여 2.5 mg/disc에서 19 mm을 저해하였다. 최소저해농도(MIC)와 최소사멸농도(MBC)는 액체 희석법을 이용하였으며, 원산지별 감초추출물의 MIC와 MBC는 한국산 감초추출물에서 각각 156 μg/ml과 1,250 μg/ml로 우즈베키스탄 감초추출물(625 μg/ml과 2,500 μg/ml)과중국산 감초추출물(625 μg/ml과 5,000 μg/ml)보다 가장 우수한 항균 활성을 나타내었다. 이상의 결과들을 통하여 다양한 추출조건에서 추출한 원산지별 감초추출물 중에서 가장 우수한 항균활성을 나타내는 최적의 조건과 원산지가 F군(85% EtOH, 40oC, 12 h)에서 추출한 한국산 감초임을 확인 했다. 이는 현재 사용되는 합성 방부제를 대신할 천연방부제인 화장품 원료로서 응용 가능성이 있음을 시사한다. In this study, Glycyrrhiza uralensis and Glycyrrhiza glabra extracts, with their countries of origin as Korea (Jecheon), Uzbekistan and China, were prepared under various extraction conditions. There were 8 extraction conditions which the licorice were subjected to, and all conditions had different extraction solvents, temperatures and times. Antimicrobial activity on skin flora was evaluated comparatively by a disc diffusion assay, broth macrodilution assay, and kill time curve assay. Based on the antimicrobial activity of their extract confirmed by disc diffusion assay, we established optimal extraction conditions. The Korean licorice extract (85% ethanol, 40oC, 12 h) showed the best activity amongst the samples examined. In particular, its antimicrobial activity against Propionibacterium acnes was the highest. Minimum inhibitory concentrations (MIC) and minimum bactericidal concentrations (MBC) of the licorice extracts revealed that the Korean licorice (156 μg/ml and 1,250 μg/ml) had better antimicrobial activity than that of the Uzbekistani licorice (625 μg/ml and 2,500 μg/ml) and the Chinese licorice (625 μg/ml and 5,000 μg/ml). Taken together, it was shown that Korean licorice extracted in group F (85% ethanol, 40oC, 12 h) had the highest antimicrobial activity amongst the licorices from the other countries of origin. These results also suggest that the optimal extraction conditions are 85% ethanol, 40oC, 12 h, and that licorice has a potential application as a natural preservative in cosmetics products, thereby replacing synthetic preservatives.

      • KCI등재

        고령사회에 대응한 고령자용 국민임대주택의 계획방향 설정에 관한 연구

        배정윤(Bae Jeung-Yun),강경연(Kang Kyung-Yeon),이경훈(Lee Kyung-Hoon) 대한건축학회 2008 대한건축학회논문집 Vol.24 No.5

        From 2018, it is predicted that our society will enter into the aged society. As a result of aged society, it is necessary to supply a lot of housing for elderly people in the near future. Though Korean government tries to improve the institutions and policies related to the elderly to cope with the future society, the elderly housing for housing stabilization and welfare is not provided sufficiently. National Rental Housing for Elderly(hereinafter N.R.H.E) can contribute to the reduction of residential expense of the elderly. The residents of over 60 years old occupy 11.79% among the residents of the National Rental Housing at the present. As million houses of National Rental Housing will be supplied in 2012, we should consider of the extension of the elderly housing provision. The purpose of this study is to carry out experimental research in responses on N.R.H.E. 164 elderly people above 60 years old living in Seoul conducted interview survey with questionnaire. Through this survey we will highlight the perception about N.R.H.E, and also the importance and planning direction.

      • SCOPUSKCI등재
      • KCI등재

        염증성 사이토카인과 구강 편평세포암종

        김도경,배정윤,박영진,손화경,이재훈,김진 대한구강악안면병리학회 2013 대한구강악안면병리학회지 Vol.37 No.4

        Inflammation functions as a double-edged sword against external stimulus. For instance, inflammation can have anti-cancer effect and simultaneously can play cancer-promoting factors. Recent studies have shown that cytokine plays an important role in tumor biology by influencing tumor growth, invasion and metastasis. We classify these cytokines by cancer type and review current knowledge of cytokines in terms of carcinogenesis. Here, we also focus on whether cytokines can act as biomarkers for early detection of oral squamous cell carcinoma (OSCC). This review will provide basis for further approach to study the role of cytokines in carcinogenesis and evaluating the possibilities of cytokines as biomarkers for cancer detection

      • KCI등재

        염증성 사이토카인과 구강 편평세포암종

        김도경,배정윤,박영진,손화경,이재훈,김진 대한구강악안면병리학회 2013 대한구강악안면병리학회지 Vol.37 No.4

        Inflammation functions as a double-edged sword against external stimulus. For instance, inflammation can have anti-cancer effect and simultaneously can play cancer-promoting factors. Recent studies have shown that cytokine plays an important role in tumor biology by influencing tumor growth, invasion and metastasis. We classify these cytokines by cancer type and review current knowledge of cytokines in terms of carcinogenesis. Here, we also focus on whether cytokines can act as biomarkers for early detection of oral squamous cell carcinoma (OSCC). This review will provide basis for further approach to study the role of cytokines in carcinogenesis and evaluating the possibilities of cytokines as biomarkers for cancer detection.

      • KCI등재

        구치부 임플란트 고정성 수복물에서의 지대주 나사 풀림 현상과 이에 영향을 미치는 요인

        홍수정,배정윤,김현희,Hong, Su-Jung,Bae, Jung-Yoon,Kim, Hyun-Hee 대한치과보철학회 2018 대한치과보철학회지 Vol.56 No.3

        목적: 본 연구의 목적은 구치부 식립 임플란트에서 지대주 나사 풀림의 발생 빈도 및 지대주 나사 풀림에 영향을 주는 다양한 요인들을 후향적 연구를 통하여 평가하는 것이다. 대상 및 방법: 2013년 1월부터 2016년 1월까지 208명의 환자에서 구치부에 식립한 391개의 임플란트를 대상으로 하였다. 모든 수복물은 고정성으로 단일 혹은 연결 크라운, 브릿지로 제작되었으며, 임시 시멘트로 합착하였다. 전체 수복물 중 지대주 나사 풀림의 발생 빈도를 조사하였고, 성별, 보철물의 위치, 대합치, 보철물의 유형, 지대주 연결 유형, 매식체의 지름이 지대주 나사 풀림에 미치는 영향을 평가하였다. 결과: 2 - 5년의 관찰 결과, 총 29개(7.4%)의 임플란트에서 지대주 나사 풀림이 발생하였다. 최종 수복 후 지대주 나사 풀림이 발생하기까지 소요된 기간은 3개월부터 48개월(평균19.5개월)까지 다양하게 나타났으며, 이 중 3개의 임플란트에서 매식체의 파절이 발생되었다. 고려 요인들 중, 임플란트의 식립 위치에 따라 대구치(9.4%)와 소구치(2.6%)에서 통계적으로 유의한 차이를 보였으며(P < .019), 대합치에 따라 자연치(9.9%), 임플란트(1.0%), 가철성 보철물(0%)에서 유의한 차이를 보였다(P < .018). 다른 고려 요인에 따른 지대주 나사 풀림 발생 빈도는 통계적 유의성이 없었다. 결론: 구치부 임플란트 수복물에서 지대주 나사 풀림의 발생 빈도는 7.4%로 나타났다. 소구치보다 대구치에서 유의하게 높은 발생 빈도를 보였으며, 대합치에 따라서는 임플란트, 가철성 보철물과 비교 시 자연치에서 유의하게 높은 발생 빈도를 보였다. Purpose: This study was to assess clinically the incidence of abutment screw loosening of posterior implant-supported fixed prosthesis and its affecting factors. Materials and methods: 391 implant-supported crowns restored from January 2013 to January 2016 were included in this study. All restorations were fabricated with either a single crowns or a splinted crown, and cemented with temporary cement. The incidence of abutment screw loosening is investigated and gender, restoration position, opposing teeth, restoration type, abutment connection type were assessed as possible factors affecting abutment screw loosening. Results: During the observation period (2 - 5 years), abutment screw loosening was found in 29 restorations (7.4%). It took 3 to 48 months (means 19.5 months) to loose the screw, and three of these implants were fractured. Among the factors considered, there were statistically significant differences at abutment screw loosening rate between molar group (9.4%) and premolar group (2.6%) (P<.019). According to the type of opposing teeth, there were statistically significant differences between nature teeth (74.7%) and implant (25.0%), removable denture (3%) (P<.019). The other possible factors did not have a significant effect on loosening of the abutment. Conclusion: The incidence of abutment screw loosening in posterior restoration was 7.4%. Abutment screw loosening were more likely to occur in molars group than premolar group, and according to the opposing teeth, there were the greatest frequency in nature teeth than implant and removal denture. There was a statistically significant difference.

      • KCI등재

        공동주택 리모델링 사례조사를 통한 리모델링 제도 개선방안에 관한 연구

        윤정숙,배정윤,박은선,Yoon Chung-Sook,Bae Jung-Yoon,Park Eun-Seon 한국주거학회 2005 한국주거학회 논문집 Vol.16 No.3

        The purpose of this study is to provide the improvement plans and the future development guidelines to improve the apartment housing remodeling. To achieve this goal, case studies and personnel interviews were conducted. Case Studies were performed on 3 apartment houses which had a remodeling association and personnel interviews were performed on the union presidents of the apartment houses. As a result of this study on the practice of apartment housing remodeling, the problems are as follows; 1) a lack of establishing the specific standards and the operation procedures in terms of the laws and regulations 2) a lack of the residents' right awareness in terms of the maintenance & administration 3) a lack of the funds raising in the case of remodeling in the small. middle size in terms of the finance. According to above results, to improve the apartment housing remodeling, it is showed to be necessary to establish the specific standards and procedures in the laws, regulations and policies, which will be accomplished by real remodeling cases.

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