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Shortened dental arch(SDA)개념에의한 감소된 치열의 처치
정재헌,한명주,안종관 朝鮮大學校 口腔生物學硏究所 2000 Oral Biology Research (Oral Biol Res) Vol.24 No.2
Among older adults the rate of edentulism is declining and they retain substantial numbers of teeth, but molar teeth remain more vulnerable to premature loss. Therefore, it is likely that in the future many more older adults will have missing posterior teeth. Dental care should be aimed at the preservation of a natural functioning dentition for life, within the avaliable resources. In general, preference should be given to dentitions comprising complete dental arches of 14 occluding pairs of teeth. However, in many subjects-such as elderly-this goal might be neither attainable nor necessary. In these cases, dental care should be aimed at preserving the strategic parts of the dental arch, which are the front and premolar regions(the so-called ultimate occlusal preservation target). The shortened dental arch(SDA) concept suggests that the minimum number of occluding pairs of teeth required to provide satisfactory levels of oral function may vary according to age and other factors. The anterior and premolar teeth are the 'strategic' part of the dental arch and are essential for satisfactory oral function and oral comfort. The SDA concept involves the direction of treatment efforts and resources at the preservation of the anterior and premolar teeth. This paper describes the role of the SDA concept in the management of reduced dentitions, including criteria for its application. possible indications and contraindications, and presents a review of research supporting SDA. In light of recent research, it is suggested that SDA will be of increasing importance as a treatment philosophy for the future elderly.
Choi, Suck-Chei,Choi, Eun-Ju,Oh, Hyun-Mee,Lee, SungGa,Lee, Jeong-Kun,Lee, Meung-Su,Shin, Yong-Il,Choi, Suck-Jun,Chae, Jeong-Ryong,Lee, Kang-Min,Lee, Won-Jung,Park, Jae-Sik,Shin, Chang-Yell,Oh, Tae-You WJG Press 2006 WORLD JOURNAL OF GASTROENTEROLOGY Vol.12 No.30
<P>To investigate whether, or how, DA-9601, which is a new gastroprotective agent, inhibits TNF-alpha-induced inflammatory signals in gastric epithelial AGS cells.</P>
구강내 임플랜트-지대주 연결부에서 치주질환관련 세균의 검출
한명주,정재헌,김희중,국중기,유소영,Han, Meung-Ju,Chung, Chae-Heon,Kim, Hee-Jung,Kook, Joong-Ki,Yoo, So-Young 대한치과보철학회 2008 대한치과보철학회지 Vol.46 No.2
문제 진술: 임플랜트 시스템은 임플랜트와 지대주 사이에서 빈 공간이 발생하여 세균의 저장소로서 작용하게 되어 임플랜트 주위 연조직에 염증반응을 야기할 수 있다. 목 적: 이 연구의 목적은 임플랜트-지대주 간극의 미세 누출에 관여하는 치주질환원인균으로 추정되는 Porpyromonas gingivalis, Prevotella intermedia, Tannerella forsythia, Treponema denticola, Aggregatibacter actinomycetemcomitans의 검출률을 조사하는 것이다. 연구재료 및 방법: 시료채취는 27명의 환자들에서 행하였고 소독된 페이퍼포인트를 이용하여 $1{\times}PBS$로 옮겼다. 치주질환원인균의 검출은 16 rDNA에 근거한 종특이적인 프라이머를 지닌 중합효소체인반응을 이용하였다. 결과: 임플랜트 고정체내에서의 Porphyromonas gingivalis와 Prevotella intermedia의 검출률은 59%와 82%였다. 환자의 임플랜트 연구에서는 Porphyromonas gingivalis와 Prevotella intermedia의 검출률은 44%와 82%였다. 환자혀에서의 Porphyromonas gingivalis와 Prevotella intermedia의 검출률은 82%와 82%였다. 결 론: 현재의 임플랜트 시스템은 임플랜트 내부의 세균 군집화와 미세누출을 안전하게 예방할 수 없다. Statement of the problem: Implant systems result in gaps and cavities between implant and abutment that can act as a trap for bacteria and thus possibly cause inflammatory reactions in the peri-implant soft tissues. Purpose: Porphyromonas gingivalis, Prevotella intermedia, Tannerella forsythia, Treponema denticola, and Aggregatibacter actinomycetemcomitans, related to implant-abutment interface microleakage. Material and methods: Samples were taken from 27 subjects with sterilized paper points and were transported in $1{\times}PBS$. The detection of periodontopathogens were performed by polymerase chain reaction with species-specific primers based on 16S rDNA. Results: Our data showed that the detection rate of P. gingivalis and P. intermedia in implant fixture was 59% and 82% in patients respectively. Detection rate of P. gingivalis and P. intermedia in implant crevice was 44% and 82% in patients. Detection rate of P. gingivalis and P. intermedias in tongue was 82% and 82% in patients. Conclusion: Current implant systems cannot safely prevent microbial leakage and bacterial colonization of the inner part of the implant.
Post-market surveillance assay of veterinary medicines in Korea during 2009∼2012
( Kwang Jick Lee ),( Jeong Woo Kang ),( Sung Won Park ),( Jae Jo Kim ),( Seong Joon Joh ),( Heui Jin Kim ),( Meung Ju Chae ),( Soon Ok Jee ),( Seon Jong Yun ),( Byung Jae So ) 한국예방수의학회 2013 예방수의학회지 Vol.37 No.3
As veterinary medicine industry has grown up steadily, the government quality control of veterinary medicine in market has been performed since 1964. The result of post-market surveillance assay from 2009 to 2012 was analyzed in this study. The average violation rate of all veterinary medicines, was 3.2%, 2.8%, 2.8% and 1.4% in 2009, 2010, 2011 and 2012, respectively. The total average violation rate in the category of antibiotics, other drugs except antibiotics, biologics were 1.2%, 4.4% and 0.8%, respectively. The violations due to insufficiency of major active ingredient content occupied 76.7% among the total violations. The most frequent violated in antibiotics were ampicillin and tylosin, followed by sulfonamides, penicillins etc. In case of other drugs except antibiotics, vitamin A and glucocorticoids (dexamethasone and prednisolone) were violated frequently. The overall trend of violation rates gradually decreased from 2009 to 2012, suggesting that quality of veterinary medicines has improved according to Korea Veterinary Good Manufacturing Practice (KVGMP) system settled down in 1988.