제 2유구치 기성금관 수복에 따른 제 1대구치의 의원성 손상

배익현,정태성,김신 大韓小兒齒科學會 2004 大韓小兒齒科學會誌 Vol.31 No.2

소아치과 임상에서 기성금관 수복은 광범위한 우식병소를 가졌거나 치수치료를 받은 치아에 필수적인 술식으로 간주된다. 그러나 기성금관 장착을 위한 치아 삭제 과정 중 인접 치면에 의원성 손상이 생길 경우 우식이환율이 높아질 수 있다. 특히 제 2유구치에 기성금관을 위한 지대치를 형성할 때 인접한 제 1대구치 근심면에 발생될 수 있는 의원성 손상은 치아 우식으로 진행될 잠재성을 가지게 된다. 따라서 본 연구는 제 2유구치의 기성금관을 위한 지대치 형성과정에서 생길 수 있는 제 1대구치의 의원성 손상의 유형과 정도를 알아보고자 하였다. 부산대학교병원에 내원한 소아들을 대상으로 기성금관으로 소복한 제 2유구치의 원심면을 치간이개용 고무링으로 치간이개를 한 후 리버인상재로 인접면의 인상을 채득하고 주사 전자현미경상에서 관찰하여 의원성 손상의 정도를 확인하였다. 제 1대구치의 근심면이 인기된 시편을 주사 전자현미경으로 관찰한 결과, 약 66.7%에서 다양한 유형과 정도의 의원성 손상을 확인할 수 있었다. 따라서 유구치의 기성금관 장착을 위한 지대치 형성과정에서는, 치간이개용 고무링이나 wedge를 이용한 치간이개, matrix band를 이용한 인접 치면의 보호, 인접면 삭제방법의 수정 등과 같은 의원성 손상을 예방하기 위한 술자의 노력이 필요할 것으로 사료되었다. Preformed stainless steel crown is an useful restorative material for the treatment of badly broken down primary teeth. However iatrogenic damage to adjacent teeth might occur during the process of tooth reduction. Such damages might lead to plaque accumulation and increase the risks of caries initiation. Especially the damage can make a problem in the first permanent molar. Purpose of this study was to investigate an iatrogenic damage to the first permanent molar during preparation of second primary molar for preformed stainless steel crown. Twelve children restored with preformed stainless steel crown to second primary molar were selected. Contact areas were separated with separation elastics, and tooth surfaces were cleaned. After taking negative impression using vinylpolysiloxane impression material, the specimens were examined by scanning electron microscope for the detection of iatrogenic damage. The prevalence of iatrogenic damage was 66.7% and variable appearances and So we can suggest that when preparing teeth for preformed stainless steel crown, we should be careful about adjacent teeth not to make an iatrogenic damage.

Streaming SIMD Extension(SSE)에 적합한 영상 압축 방식에 대한 연구

배현성,정익주 강원대학교 정보통신연구소 2003 정보통신논문지 Vol.7 No.-

The objective of this paper is to present the new FourCC to use the power of general CPU, to the highest degree, supporting SIMD that is being used the most. This is the form that can be applied to all the picture processing compressed by block. The most ideal form is that the used data is in cache memories of CPU. But the video needs very big memories, so there is little probabilily that the data is in the cache memories. If FourCC suggested in this paper is used, there is always the data in the cache memories. Also, it means that this form can receive profits very much in terms of speed. This paper has simulation using DCT-based vision compression that is the most typical form coding based on block segmentation. We can recognize that the speed improves through this simulation.

간질환자의 MMPI 반응

배철,황익근 大韓神經精神醫學會 1983 신경정신의학 Vol.22 No.4

저자는 간질환자의 MMPI반응을 알아 보고자 1982년 10월 1일부터 1983년 2월 28일 사이에 전북의대 부속병원 신경정신과의 시내 개인신경정신과의원에서 항경령제를 투여 치료받고 있는 외래환자 90명중 61명에게 MMPI를 실시하였던 바 다음과 같은 결론을 얻었다. 1. 환자군과 대조군에서 각 척도별 T-점수의 평균값은 정상범위 안에 있었다. 2. 전체 환자군과 대조군의 비교검증상에서 척도 F, Hs, D, Hy, Pa, Pt, Sc은 p<.01이고 척도 Pd, Ma은 p<.05로서 유의한 차이가 관찰되었다. 3. 형태분석 상에서 환자군 중 33.9%에서 정신과적진단을 붙일 수 있었고 대조군에선 1.6%에 정신과적 진단을 붙일 수 있었다. 4. 성별 비교에서 남녀 공히 신경증 척도(Hs, D, Hy)와 척도 Pt, Sc에서 유의하게 나타났으나 척도 F, Pa, Ma에서는 남자군에서 만이 유의한 차이가 관찰되었다. 5. 병력기간 별 비교에서는 5년 이하와 6년에서 10년 사이의 비교에서는 척도 F, Sc에서 유의한 차이가 관찰되었고 5년 이하와 11년 이상의 비교에서는 각각 척도Hy에서 유의한 차이가 관찰되었다. 6. 청소년기에 해당하는 환자군과 대조군의 비교에서는 척도 D에서 유의한 차이가 있었던 반면 초기성년기는 전 신경증 척도와 정신증 척도, 그리고 척도 F, Si에서 유의한 차이가 관찰되었다. 중기성년기에서 전 신경증 척도, 척도 F, Pt, Sc에서 유의한 차이가 관찰되었다. A clinical study was done on 61 epileptic patients to investigate MMPI responses of the patients, 126healthy subjects were used as control group. The results were as followings 1. Mean value of T-scores on each scale was within normal range in both patient and control group. 2. Pattern analysis indicated that psychiatric problems were recognized in 33.9% of patient group and in 1.6% of control group. 3. In patient group, scales of F, Hs, D, Hy, Pa, Pt and Se (p<. 01) as well as scale of Pd and Ma (p<. 05) were significantly higher than in control group. 4. In male group, scales of F, Pa, Ma were statically significant, but not in female group. 5. When the illness had lasted 6-10 years, scales of F & Sc were significantly higher (p<. 05) than the patients under 5 years of illness. When the illness lasted over 11 years, Hy scale was significantly higher (p<. 05) than the patients under 5 years of illiness. When the illiness lasted over 11 year, Hy scale was significantly higher(p<. 05) than the patients with 6-10 years of the illiness. 6. In adolescent group, D scale was significantly higher(p<. 05) than in control group. In early adulthood group, scales of Hs, D, Hy, Pt, Sc and Ma (p<. 01) as well as scales of F, Pa, & Si (p<. 05) were significantly higher than in control group. In middle adulthood group, scales of Hs, D, Hy & sC (P. 01) as well as scales of F & Pt (p<. 05) were significantly higher than in control group.

회계정보시스템이 정보성과에 미치는 영향에 관한 연구 : 부산지역 유통업체를 중심으로 A Subject of the Distributional Company Scattered Busan Region

배익수,윤혁권 한국세무회계학회 2004 세무회계연구 Vol.14 No.-

본 연구는 선행연구를 통하여 회계정보시스템의 환경요인과 정보요인을 식별하였으며, 이러한 요인이 회계정보시스템의 성과인 회계정보 환경요인, 회계정보 정확요인, 회계정보력 요인에 어떻게 영향을 미치는지에 대하여 실종분석을 통하여 규명하였다. 이에 따라 본 연구의 목적은 다음과 같이 규명하였다. 첫째, 선행연구를 통하여 회계정보 시스템의 환경요인과 정보요인을 찾아내고 둘째, 회계정보의 성과요인을 선행연구를 통해 찾았으며 셋째, 회계정보 시스템의 환경과 정보요인이 성과요인에 미치는 인과간계를 실증분석을 통하여 검정하고 이를 근거로 유통기업이 회계정보시스템을 도입하여 회계정보의 성과를 창출하는데 중요 요인을 제시하는데 그 목적을 두었다. 이러한 연구의 목적을 달성하기 위하여 각 요인별 가설을 설정하고 이를 실종분석 하였는데 연구가설에 대한 실종분석의 결과를 요약하면 다음과 같다. 첫째, 회계정보시스템의 환경요인이 회계정보 활용에 정(+)의 영향을 둘째, 회계정보시스템의 정보요인이 회계정보 활용에 정(+)의 영향을 셋째, 회계정보시스템의 정보요인이 회계정보 정확에 정(+)의 영향을 미치는 것으로 나타났으나 넷째, 회계정보시스템의 환경요인이 회계정보 정확에 정(+)의 영향을 다섯째, 회계정보시스템의 환경요인이 회계정보력에 정(+)의 영향을 여섯째, 회계정보시스템의 정보요인이 회계정보력에 정(+)의 영향을 미치지 못하는 것으로 나타났다. 그러므로 유통기업에서 회계정보 활용의 효율성을 높이기 위해서는 회계정보시스템의 환경요인과 정보요인을, 회계정보의 정확성을 높이기 위해서는 회계정보시스템의 정보요인이 중요한 것으로 나타났다. 이러한 연구의 결과를 토대로 하여 유동기업이 합리적인 회계정보시스템을 도입하는데 도움이 되기를 기대코자 한다. This study is through the preceding research between an environmental cause and an informational cause of the Account Information System(Next will be appear AIS). And it was examined with empirical analysis about how this cause has influences on a practical using cause of account information, a precision cause of account information, and a cause of the power of account information that is a result of the AIS. Accordingly, the object of this study will suggest next. First, it is through the preceding research between an environmental cause and informational cause of the AIS. Second, a result cause of the AIS searches for the preceding research. Third, it was examined about environmental cause and informational cause of the AIS has influence on the relation of cause and effect with empirical analysis. In accordance with, the object of this study is a distributional company inducted the AIS creates a result of account information. In order to achieve the object of this study it was established a hypothesis and analyzed empirically. A condensation of an empirical analysis about this assumption will suggest next. Above all it was approved it has plus effect first, an environmental cause of the AIS has influence on the practical using account information, second, an informational cause of the AIS has influence on the practical using account information, third, an informational cause of the AIS has influence on the precision account information. However it was approved it has not plus effect forth, an environmental cause of the AIS has influence on the precision account information, fifth, an environmental cause of the AIS has influence on the power of account information, sixth, an informational cause of the AIS has influence on the power of account information. Consequently, the distributional company is to raise efficiency of a practical using of account information has to lead an environmental cause and informational cause of the AIS. In the same manner, it is to raises on the precision account information has to lead an informational cause of the AIS. It was anticipated within this study could give an assistance to the distributional company induct AIS rationally.

글라스 아이오노머 수복재의 불소 유리 및 재흡수 양상

배익현,김재문,정태성,김신 大韓小兒齒科學會 2005 大韓小兒齒科學會誌 Vol.32 No.1

이차 우식은 수복 실패의 주된 원인 중 하나로 지목되고 있으며, 이로 인해 빈번히 재수복을 하게 된다. 이차 우식은 항우식 작용이 있는 불소를 함유한 수복물을 사용하여 예방될 수 있다. 구강내에서 불소를 유리하는 것으로 알려진 글라스 아이오노머 수복재는 불소를 장기간 유리할 뿐 아니라 불소의 재충전 및 재유리 능력이 있어 불소의 저장소 역할을 할 수 있다. 따라서 본 연구는 통상의 글라스 아이오노머와 고점도 글라스 아이오노머 및 복합 레진을 대상으로 불소의 유리 양상과 불소도포를 통한 재흡수 후 유리 양상을 알아봄으로써 기존의 수복재와 새로운 수복재간의 임상적 유용성을 평가할 목적으로 시행하였다. 4종의 수복재를 대상으로 불소 유리량 및 2% NaF로 재충전 후 불소 유리량을 각각 측정하여 다음과 같은 결과를 얻었다. 1. 실험 대상의 모든 글라스 아이오노머 수복재는 초기에 다량의 불소를 유리하고 이후 점차 감소하는 경향을 보였다. 2. 2% NaF 용액을 통한 재충전 후의 유리량은 Fuji IX, Ketac Fil, Ketac Molar, Z-100의 순으로 나타났다. 3. Fuji IX을 제외한 모든 실험 대상의 수복재에서 수분의 영향으로 표면 경도는 유의하게 감소하였고 불소 재충전 후 유리량은 수분 흡수와 비례하였다(P<0.05). 4. Fuji IX이 초기 유리량에 비해 재충전 후 더 많은 불소를 유리였다(P<0.05). The replacement of dental restorations due to secondary caries is a continuing problem in restorative dentistry. The secondary caries can be partly prevented by using fluoride containing dental materials such as glass ionomer cement, which releases and be recharged with fluoride ion acting as a fluoride reservoir. For the purpose of investigating the behaviors of fluoride release and recharge of conventional and high viscosity glass ionomer cements, the experiment was performed on the seven specimens each from 4 kinds of materials; 1 kind of conventional glass ionomer cement, 2 kinds of high viscosity glass ionomer cements and 1 kind of composite resin. The amount of fluoride release was measured over 7 days with pH/ion meter and fluoride specific electrode. After measuring daily fluoride release, the specimens were recharged with 2% NaF solutions for 4 minutes and measured for 3 days with recharging repeated two consecutive times. The results were as follows : 1. Significantly more fluoride was released at first day after recharge in all materials except Z-100. 2. High viscosity glass ionomer cements released more or nearly equal amount of fluoride after recharge compared with the initial release(P<0.05). 3. The fluoride release after recharge with 2% NaF solution was in order of Fuji IX, Ketac Fil, Ketac Molar, Z-100.

쌀과 전분을 이용한 증류식 소주의 급수 변화에 따른 수율 및 향미 연구

배상면,정수연,정익수,고현주,김태영 동아시아식생활학회 2003 동아시아식생활학회지 Vol.13 No.5

Various volume of water for the optimal brewing condition of the Korean distilled liquor produced by liquefaction of rice and corn starch was investigated Pilot brewings were carried out by the liquefaction of 5㎏ of rice and 10㎏ of corn starch with 150%, 200% and 250% of water regarding the amount of rice and corn starch. The pH, alcohol production and total acidity were normal during the fermentation process. The yield was proportional to the amount of water added and the highest yield was obtained by 250% of water addition without loss of quality. All the test results were not significantly different by the one-way ANOVA and Duncan's multiple range test at p<0.05 and the flavor profiles were also not different according to the amount of water added. As a result, 250% of water addition was the most economical and optimal brewing condition in this study.

유산소성 운동과 저항성 복합운동이 중년여성의 체조성과 건강관련체력 및 혈중지질에 미치는 영향

이배익,박영수 한국스포츠리서치 2003 한국 스포츠 리서치 Vol.14 No.2

This study was to investigate difference between exercise group and control group on the body composition, health related fitness and blood lipid levels in the middle aged women that have no disease and was not experience exercise. Exercise group was composed of fifteen and control group was composed of fifteen, so participant was arrange in random. The statistical technique used ANCOVA to inspect difference between two groups. The results of this study were as follows: 1. There was significant difference in 1600M run among two groups at .05 level and in sit-up, upper-bending, back strength, flexibility at .001 level. 2. There was significant difference in body weight, % fat, fat mass, lean body mass among two groups at .001 level. 3. There was significant difference in total-cholesterol, HDL-C, triglyceride, LDL-C among two groups at .001 level. In conclusion, The aerobic and weight complex exercise program that performed on middle aged women was efficient in enhancement of body composition, health related fitness and blood lipid levels.

Risperidone으로 호전된 Capgras' Syndrome

지익성,배경도,이선우 충남대학교 의과대학 지역사회의학연구소 1996 충남의대잡지 Vol.23 No.2

A case of Capgras' syndrome in a 19-year-old girl who improved on Atypical antipsychotics, Risperideone is described. The patient's delusion of misidentification (She believed that her parents are not truly her parents and even she herself is not she) was treated with Risperidone. She showed significantly improvement. Authors believe Risperidone's antipsychotic effect in the treatment of schizophrenia warrants its consideration in alleviating other delusions of various psychotic disoreders, including the dedusion of doubles.

연작업자들에서의 δ -aminolevulinic acid dehydratase 유전형질의 다형성이 신기능에 미치는 영향

안익수,황보영,김용배,리갑수,이성수,장봉기,함정오,안규동,이병국 순천향대학교 산업의학연구소 2001 순천향산업의학 Vol.7 No.1

δ-aminolevulinic acid hehydratase (ALAD) is a polymorphic enzyme that has two alleles, ALAD1 (ALAD1-1 as phenotype) and ALAD2 (ALAD1-2 or ALAD2-2 as phenotype). ALAD genotype has been reported to modify the toxicokinetics of lead. To investigate the influence of ALAD genotype polymorphism on renal function in lead workers, author studied 1022 male lead workers and 149 non lead workers in the same industries. For the cross-sectional renal function indices, blood urea nitrogen (BUN), serum creatinine, uric acid and total protein were selected. Blood lead and blood zinc protoporphyrin were also measured as indices of lead exposure. Information on weight, age, job duration, smoking & drinking history were collected. Following results are as follows: 1. Whereas the mean (standard deviation) of blood lead and blood ZPP of lead workers were 27.2±12.5 ㎍/㎗ and 57.7±37.8 ㎍/㎗, those of non-lead workers in the same premises were 14.9±6.5 ㎍/㎗ and 44.6± 15.8 ㎍/㎗ respectively. The difference of mean blood lead and blood ZPP between two groups were statistically significant. 2. Whereas the prevalence of the variant allele, ALAD2 in 1022 lead workers was 10.2 %, the prevalence of that in 149 non-lead workers was 7.4 %. But there was no difference of prevalence between two groups. 3. The mean±standard deviation of blood lead of subjects with ALAD1 was 25.5± 12.7 ㎍/㎗ and was slightly lower than that of subjects with ALAD2 (26.5±10.9 ㎍/㎗), and the mean±standard deviation of blood ZPP of subjects with ALAD1 was slightly higher than that of subjects with ALAD2 (56.7±37.3 ㎍/㎗ vs 48.9±18.6 ㎍/㎗). But the differences of blood lead and blood ZPP between two genotypes were not statistically significant. 4. There were no differences of cross-sectional renal function indices (BUN, serum creatinine, uric acid and total protein) either by lead workers and non-lead workers or two genotypes. 5. In multiple regression analysis of ALAD genotype on BUN after controlling for possible confounders (sex, weight, job duration, smoking and drinking status), the mean of BUN in ALAD2 subjects was 0.629 ㎎/㎗ lower than ALAD1 subjects with a weak statistical significance (p=0.07). But in logistic analysis of ALAD genotype on median value of BUN revcaled that subjects of ALAD2 genotype were 32% less likely to have median value or more of BUN than subjects of ALAD1 with odd ratio of 0.618 (95% confidence interval 0.411-0.920). 6. In multiple regression analysis of ALAD genotype on serum creatinine after controlling for possible confounders (sex, weight, job duration, smoking and drinking status), the mean of serum creatinine in ALAD2 subjects was 0.0271 ㎎/㎗ lower than ALAD1 subjects with statistical significance (p=0.02). On the other hand, in logistic analysis of ALAD genotype on median value of serum creatinine revealed that subjects of ALAD2 genotype were 30% less likely to have median value or more of scrum creatinine than subjects of ALAD1 with odd ratio of 0.700 (95% confidence interval 0.442-1.080). With the above results, it was found that the variant allcle, ALAD2 appeared to modify the association of lead and renal function and ALAD2 genotype may be supportive for the protective effect of lead.

통신프로토콜의 적합성시험열 생성을 위한 경로 탐색 방법

황익순,장민석,이상배,이재용 延世大學校 電波通信共同硏究所 1996 電波通信論文誌 Vol.2 No.1

본 논문에서는 적합성 시험에서 EFSM(Extend Finite State Machine) 모델에 대한 데이타부분 시험열을 효율적으로 생성시켜 주는 탐색 방법에 대해 제안하였다. 이 탐색 방법에서는 depth-first search와 같은 기존의 탐색 방법과는 달리 탐색 초기에 다양한 경로가 찾아진다. 이미 제안된 시험열 생성 방법인 데이타 값을 바탕으로 하여 시험열을 생성하는 방법에서 이 탐색 방법을 이용하였을 경우 기존의 탐색방법을 이용하는 것보다 효율적으로 시험열을 생성할 수 있다. 본 논문에서는 Inres 프로토콜에 이 탐색 방법과 기존의 탐색 방법인 depth-first search를 각각 적용하여 시험열을 생성, 비교하여 보았으며, 제안된 탐색 방법을 이용하면 같은 시험 범주를 가지면서도 짧은 길이를 갖는 시험열을 효율적으로 생성할 수 있음을 알 수 있다. In this paper we proposed a searching algorithm for generating test cases, which can test data part of EFSM model in conformance test. In a different way to existing algorithm like depth-first search algorithm, this one can find various paths in the early stage of searching. When it is used in readily proposed test case generation method which is based on the value of variables and parameters it can generate test cases efficiently than in the case of depth-first search algorithm being used. We generated test cases for Inres protocol using each of proposed and depth-first search algorithm, and compared these two methods. proposed algorithm can generate much shorter test sequences efficiently than existing one.