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- 저자 : Bae Hyong-Su (검색결과 3 건)
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고정성 가공의치를 지지하는 임프란트의 길이에 따른 임플란트 주위 골조직에서의 응력분산에 관한 광탄성 연구
배형수,조성암,Bae Hyong-Su,Cho Sung-Am 대한치과보철학회 1992 대한치과보철학회지 Vol.30 No.4
The Present study was performed to evaluate the stress distribution patterns of bone tissues around two Branemark implant fixtures with varying lengths. Six models were used with the combination of 10mm, 7mm, 5mm Branemark implant fixture analogs. The load distribution characteristics of surrounding bone tissues were observed under 64kg vertical static loading on central part of fixed bridge using 2 dimensional photoelastic technique. Through observing the pattern of stress distribution around the implant fixtures, I got the results as follow : 1. Stress distribution pattern of model I(10mm, 10mm) was best among those of six models. 2. When two fixtures were in equal length, stress was increased in proportion to the reduction of implant surface area. 3. When two fixtures were in unequal length, stress was concentrated on the neck portion of the shorter one. 저자는 두개의 브로네마트 임플란트를 지대치로 하는 가공의치를 제작할 때 임플란트의 길이에 따른 임플란트 주위 조직의 응력분산양상을 평가하기 위하여 임플란트의 길이가 각각 10mm, 7mm, 5mm인 여섯가지의 실험모형을 제작하고 가공의치 중아부에 64kg의 수직하중을 가하여 2차원적 광탄성응력분석 실험을 행하여 비교 분석 해본 바, 다음과 같은 결론을 얻었다. 1. 여섯가지 실험모형 중 응력분산 양상은 실험모형 I (10mm, 10mm)일 경우가 가장 좋았다. 2. 근심과 원심에 같은 길이의 임플란트를 매식하였을 경우, 응력은 대체로 임플란트 표면적의 감소에 비례하여 증가하였다. 3. 근심과 원심에 다른 길이의 임플란트를 매식하였을 경우, 짧은 쪽 임플란트의 경부에 응력이 집중되었다.
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강형석,이섭,권오춘,안욱수,배지훈,Kang, Hyong-Seok,Lee, Sub,Kwon, Oh-Choon,Ahn, Wook-Su,Bae, Chi-Hoon 대한흉부심장혈관외과학회 2000 Journal of Chest Surgery (J Chest Surg) Vol.33 No.8
Descending necrotizing mediastinitis(DNM) is one of the most lethal form of mediastinitis originating from an oropharyngeal infection. It requires an early and aggressive sugical treatment, but the operative approach and optimal form of mediastinal drainage remains controversial. We report a case of DNM in a 45-year-old male who underwent right cervicomediastinotomy to drain the deep neck space, upper mediastinum and anterior mediastinal drainage was accomplished through a subxiphoid approach. After this procedure, he steadily improved and was dischrged on hospital day 36. We report this case with a brief review of the literature.
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토끼에서 근육주사시 입자 크기에 따른 amoxicillin의 비교 약물동태학
박승춘,윤효인,오태광,장범수,배순이,조준형,정상희,이내경,김민규 충남대학교 수의과대학 동물의과학연구소 1998 動物醫科學硏究誌 Vol.6 No.-
To investigate the pharmacokinetic difference between the two amoxicillin (AMX) particles in rabbits after intramuscular injection (i.m.), both of AMX-S (particle size: 10 ㎍) and AMX-L (particle size: 100 ㎍) were injected into New Zealand White rabbits (1.2±0.3 ㎏) at a dose rate of 10 ㎎/㎏ of body weight. In this study, serum AMX concentrations were detected by microbiological assay with E. coli BE 1186 which shows high antibiotic sensitivity. After i.m. administration, AMX-S and AMX-L were best fitted as 1-compartment model with the absorption and elimination phase. The biological half-life (T_1/2, _k10) of AMX-S is 4.06±1.09 h and that of AMX-L 4.76±0.69 h. The serum maximal concentration time (T_max) of AMX-S and AMX-L were 0.88±0.17 h and 0.77±0.11 h, respectively. Maximal AMX concentration (C_max) (AMX-S: 5.71±0.62 ㎍/㎖, AMX-L: 5.04±0.25 ㎍/㎖) in serum showed a significant difference (p<0.05). In terms of bioequivalance, however, there was no difference between the two AMX's after i.m. injection in the basis of C_max and AUC.
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