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periodontal pathogens
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  牙周致病菌
     Conclusion Bifidobacterium DM 8504 has inhibitory effect on periodontal pathogens Pg, Fn, Pi and Aa.
     【结论】双岐杆菌DM 85 0 4对牙周致病菌Pg、Aa、Fn、Pi均有抑制作用
短句来源
     Dynamic observation of periodontal pathogens and cariogenic bacteria in modified chemostat using confocal laser scanning microscopy
     改良恒化器中牙周致病菌和致龋菌的激光共聚焦显微镜动态观察
短句来源
     Results: The aqueous extract of Chinese goldthread is markedly inhibitory to all of the microbes tested, especially periodontal pathogens such as Actinobacillus actinomycetemcomitans (IIC 0.125 mg/ml) and Porphyromonas gingivalis (IIC 0.250 mg/ml). However, the aqueous extracts of selfheal, honeysuckle, official magnolia, chrysanthemum, Chinese clematis and large-leafed gentian cannot inhibit the growth of oral microbes tested.
     结果 :夏枯草、金银花、厚朴、菊花、威灵仙、秦艽的水浸液提取物对所试验的口腔微生物生长无明显抑制作用 ,而黄连的水浸液提取物有明显的抑制作用 ,尤其对牙周致病菌牙龈卟啉菌 (初始抑菌量 0 .2 5 0mg ml)、伴放线放线杆菌 (初始抑菌量 0 .12 5mg ml)的抑制作用更强。
短句来源
     Conclusion: La strongly inhibited the growth of Pg? Aa and Fn. The new strategy of confining periodontal pathogens with La as ecological modulator or periodontal replacement was worthy of further study.
     结论 :La对Pg、Aa或Fn生长有显著拮抗作用 ,提示La作为生态调节剂 ,用以限制某些牙周致病菌生长的生态防治值得深入研究
短句来源
     Bacteriocin Extracted from Streptococcus Sanguis and Its Effect on Suspected Periodontal Pathogens
     血液链球菌细菌素的提取及其对牙周致病菌的抑制作用
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  “periodontal pathogens”译为未确定词的双语例句
     Results: The ranges of indistinctive antibacterial activities for four kinds of typical periodontal pathogens are 6∶1~1∶2,6∶1~2∶3,6∶1~2∶3 and 6∶1~1∶1. Conclusion: The proportion of 2∶3 can inhibit anaerobic bacterium and aerobic bacteria effectively,however,animal experiment and clinical verification are needed.
     结果:牙龈卟啉单胞菌,具核梭杆菌,中间普氏菌,消化链球菌对奥硝唑和培氟沙星不同配伍所测指标的无差别范围分别是6∶1~1∶2、6∶1~2∶3、6∶1~2∶3、6∶1~1∶1。 结论:两种药物混合对细菌的抑菌效果以2∶3为佳,但有待进一步动物实验和临床验证。
短句来源
     After incubation, bacterial colonies on plates were counted and inhibitory rate of DM 8504 on periodontal pathogens was calculated. Results The inhibitory rate of DM 8504 on Pg 1312, Pg 33277, Pi 25261, Pi 25611, Aa 29523, Aa Y4 and Fn 10953 were 55 42%, 57 21%, 48 21%, 46 69%, 43 00%, 39 04% and 49 36% respectively.
     【结果】 DM85 0 4对Pg 1312、Pg 332 77、Pi 2 5 2 6 1、Pi 2 5 6 11、Aa2 95 2 3、AaY4、Fn 10 95 3抑制率分别达到 5 5 42 %、5 7 2 1%、48 2 1%、46 6 9%、43 0 0 %、39 0 4%、49 36 %。
短句来源
     Purification of Periodontal Pathogens DNA Using Wizard TM Genomic DNA Purification Kit
     利用Wizard~(TM)试剂盒提取牙周可疑致病菌DNA的研究
短句来源
     METHODS:We adopted 16S rRNA-based PCR to detect 10 major putative periodontal pathogens in whole saliva from 291 children.
     方法:利用细菌16SRNA设计10种牙周病原菌PCR引物,采用PCR技术检测291名儿童唾液中牙周病原菌。
短句来源
     PURPOSE: The aim of this study is to identify three kinds of black-pigmented periodontal pathogens P. gingivalis Pg, P. intermedia Pi, P. nigrescens Pn by 16S rDNA and microarray.
     目的:探讨采用16SrDNA结合膜芯片检测牙龈卟啉菌Pg、中间普氏菌Pi和变黑普氏菌Pn的价值。
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  相似匹配句对
     The Antibiosis of Bifidobacterium on Periodontal Pathogens
     双岐杆菌对牙周病原菌的体外抗生作用
短句来源
     Analysis of relationship between periodontal abscess and suspected pathogens
     牙周可疑致病微生物与牙周脓肿发病相关性分析
短句来源
     The main pathogens were G-.
     其致病菌以G-菌为主。
短句来源
     Laser and periodontal therapy
     激光与牙周治疗
短句来源
     G~-bacteria are the major pathogens.
     G-菌是主要致病菌;
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  periodontal pathogens
Smoking causes defects in neutrophil function, impairs inflammatory and immune responses to periodontal pathogens, and exerts both systemic and local effects.
      
This study aimed to assess the effect of toluidine blue (TB)-mediated photodynamic inactivation of periodontal pathogens (PP) from periodontopathic patients.
      
Toluidine blue-mediated photoinactivation of periodontal pathogens from supragingival plaques
      
We also attempted to create an optimised protocol for a light-based bactericidal modality to eliminate periodontal pathogens.
      
Lipopolysaccharide (LPS) from periodontal pathogens can penetrate gingival tissues and stimulate the production of interleukin-1β (IL-1β), which has been implicated in inflammation and bone resorption.
      
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Abstract In this study,authors observed that S,sanguis produces bacteriocin accumulating intracellularly.It was extracted by ultrasonic treatment and purified by fractionation with ammonium sulfate and gel filtration. The hacteriocin of S.sanguis is resistant to deoxyribonuclease and ribonuclease but is sensitive to pronase and trypsin. The biological activity is lost by heating at 60℃ or by pronase and trypsin. The bacteriocin of S. sanguis which is readily distinguishable from bacteriophage and proteolytic...

Abstract In this study,authors observed that S,sanguis produces bacteriocin accumulating intracellularly.It was extracted by ultrasonic treatment and purified by fractionation with ammonium sulfate and gel filtration. The hacteriocin of S.sanguis is resistant to deoxyribonuclease and ribonuclease but is sensitive to pronase and trypsin. The biological activity is lost by heating at 60℃ or by pronase and trypsin. The bacteriocin of S. sanguis which is readily distinguishable from bacteriophage and proteolytic enzyme can inhibit the growth of periodontal pathogens such as A. actinomycetemcomitans,P. gingivalis,P.intermedius,P. melaninogenicus, F. nucleatum,C. gingivalis and C. sputigena in vitro.These results demonstrate that this bacteriocin of S. sanguis is one of the factors that making S. sanguis antagonize the periodontal pathogens.

通过超声破碎、盐析和凝胶过滤从血液链球菌细胞内提取、分离和纯化出细菌素。所提取的血液链球菌细菌素对热处理和蛋白酶敏感,加热60℃或用蛋白酶、胰蛋白酶处理后其活性完全丧失,对DNA酶和RNA酶不敏感。在体外,血液链球菌细菌素对许多与牙周组织破坏关系密切的细菌如放线共生放线杆菌、牙龈紫质单胞菌、中间普氏菌、产黑色素普氏菌、具核梭杆菌和二氧化碳噬纤维菌均有抑制作用。经鉴定证明这些作用不是噬菌体和酶的作用,而是细菌素的作用。

Clinical, biochemical and microbiological methods were used to study the peri implant status in different types of dental implant. Sixteen normal healthy adults with 12 one stage implants and 22 two stage implants were included in this study. Clinical parameters, proportion of subgingival spirochetes, detection rate of spirochetes were found to be significantly higher around one stage implants than those around two stage implants. No significant difference in gingival crevicular fluid flow, levels of aspartate...

Clinical, biochemical and microbiological methods were used to study the peri implant status in different types of dental implant. Sixteen normal healthy adults with 12 one stage implants and 22 two stage implants were included in this study. Clinical parameters, proportion of subgingival spirochetes, detection rate of spirochetes were found to be significantly higher around one stage implants than those around two stage implants. No significant difference in gingival crevicular fluid flow, levels of aspartate aminotransferase and alkaline phosphatase was found between these two types. The bleeding index score in sites which harbored spirochetes was significantly higher than that in sites without spirochetes. The present data suggested that accumulation of plaque and existance of periodontal pathogens maybe related to peri implant inflammation. This study suggests that plaque control and regular recall should be emphasized in implant maintenance.

为监测种植体周围的组织状况,从而更好地对种植体进行维护,作者用临床、生化和微生物学方法,对16例患者的12个一阶段式种植体和22个二阶段式种植体的周围组织状况进行了回顾性研究。结果:一阶段式种植体周围组织的各项临床指标、螺旋体比例及检出率均显著高于二阶段式种植体;两种类型种植体的龈沟液量及其中天冬氨酸转氨酶和碱性磷酸酶水平无明显差异;螺旋体检出阳性位点的炎症程度显著高于阴性位点。表明菌斑的堆积及牙周致病菌的存在与种植体周围组织的炎症有一定相关性。结果提示,菌斑控制及定期复查在种植体的维护中很重要。

Objective To evaluate the prevalence of subgingival taxa of periodontal healthy persons and rapidly progressive periodontitis (RPP) patients using checkerboard DNA-DNA hybridization and to find the main pathogens in RPP. Methods Eighty four subgingival plaque DNA samples taken from 5 healthy subjects (H) and 6 RPP patients were hybridizated with 37 bacterial probes. Results The detection frequences of 6 bacteria (E.corrodens, et al.) were greater than 90%. Suspected periodontal pathogens, e.g. A. actinomycetemcomitans...

Objective To evaluate the prevalence of subgingival taxa of periodontal healthy persons and rapidly progressive periodontitis (RPP) patients using checkerboard DNA-DNA hybridization and to find the main pathogens in RPP. Methods Eighty four subgingival plaque DNA samples taken from 5 healthy subjects (H) and 6 RPP patients were hybridizated with 37 bacterial probes. Results The detection frequences of 6 bacteria (E.corrodens, et al.) were greater than 90%. Suspected periodontal pathogens, e.g. A. actinomycetemcomitans seratype b, T.denticola, F.nucleatum ss nucleatum, B.forsythus, P.nigrescens, W. succinogenes, C.rectus, P.micros, S.intermedius and P.gingivalis were significantly more frequantly found in RPP group than in H group. The mean counts of these pathogens were significantly more elevated in RPP group than in H group. Conclusion It is suggested that periodontal destruction occurrence requires the pathogens in sufficient number at the site, RPP may be resulted from several pathogens.

目的检测牙周健康者和快速进展性牙周炎(rapidlyprogressiveperiodontitis,RPP)患者的龈下细菌,旨在寻找RPP的主要致病菌。方法采用棋盘式DNADNA杂交技术,将5名牙周健康者和6例RPP患者的84个龈下菌斑DNA样本与37种龈下细菌的DNA探针杂交。结果埃氏腐蚀菌等6种细菌的检出率高于90%。牙周可疑致病菌,如伴放线放线杆菌血清b型、牙密螺旋体、具核梭杆菌具核梭亚种、佛赛类杆菌、变黑普菌、产琥珀酸沃廉菌、直弯曲菌、微小消化链球菌、中间链球菌和牙龈卟啉菌,在RPP组的检出率和细菌数均显著高于牙周健康组。结论牙周致病菌具备一定数量才能引起牙周组织的破坏,RPP是由多种致病菌所致

 
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