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mutans streptococcus
相关语句
  变形链球菌
     The flow rate,pH,buffer capacity,calcium,phosphorus,fluoride ior contents,and Mutans streptococcus countof saliva and acidogenecity of plaque were collected and analysed from 118 children(carious 63,non-carions 55).
     通过对118名幼儿(无龋组55名,多龋组63名)唾液的流率、pH、缓冲能、钙、磷、氟离子含量、变形链球菌计数和菌斑产酸能力等检测,并在无龋组和多龋组间进行对比。
短句来源
     The authors studied carious lesions produced by some cariogenic bacteria including streptococcus mutans, streptococcus sanguis, streptococcus salivar ius, actinomyces viscosus and lactobacilli casei in vitro.
     以目前认为与龋病发生关系密切的五种牙菌斑分离菌,包括变形链球菌、血液链球菌、唾液链球菌、粘性放线菌和干酪乳杆菌,采用体外实验方法,研究这些细菌致人互龋的能力。
短句来源
     Method: Streptococcus mutans, Streptococcus sanguis, Streptococcus salivarius and Actinomyces naeslundii have been chosen as the experimental bacteria.
     方法:以变形链球菌、血液链球菌、唾液链球菌和内氏放线菌等四种口腔常驻菌为实验菌。
短句来源
     Objective To study the effect of Mutans Streptococcus(S.Mutans) on the corrosion resistance of Ni-Cr alloy.
     目的研究变形链球菌对镍铬合金耐蚀性能的影响。
短句来源
     Effect of Mutans Streptococcus on Corrosion Resistance of Ni-Cr Alloy
     变形链球菌对镍铬合金耐蚀性能的影响
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  “mutans streptococcus”译为未确定词的双语例句
     In aqueous solution, interaction between crude venom and different bacteria including gram-positive bacteria, i.e. streptococcus mutans,streptococcus aureus, and gram-negative bacteria, i.e. E. coliK12, was investigated in detail. Molecule weights of multiple proteins were identified as 110kDa,47kDa, 24kDa, 23kDa and 15kDa by SDS-PAGE, respectively.
     mutans分离细菌特异性抗体的基础上,首次利用细菌筛选作用蛋白,将革兰氏阳性菌(S.mutans和S.aureus)和革兰氏阴性菌(E.coliK12)分别与蕲蛇蛇毒相互作用,发现有五种蛇毒蛋白能够与细菌相互作用,其分子量分别为110kDa、47kDa、24kDa、23kDa和15kDa;
短句来源
     [Results] The counts of mutans streptococcus in plaque before and after the fixed appliance bonding were 5.31×106 /mg and 6.35×106 /mg respectively,and the increase has statistical significance(P=0.0025).
     结果同一患者粘托槽前后变链菌数值分别为5.31×106/mg和6.35×106/mg,其差别有统计学意义(P=0.0025)。
短句来源
     The effect of amalgam on the growth of mutans Streptococcus: An in vitro study
     银汞合金抑制变链菌生长的体外研究
短句来源
     Objective To study the role of Tea Polyphenols on the growth, acid generation and glucan production of Streptococcus mutans, Streptococcus sanguis and Actinomyces viscosus as a preparation for screening an effective agent to mediate the balance of oral microflora.
     目的 通过研究茶多酚对致龋菌生长、产酸及产胞外多糖的影响 ,探讨茶多酚是否能有效调节口腔菌群生态平衡。
短句来源
     Objective To study the role of Polistes mandarinus on the growth, acid generation and water insoluble glucan (WIG) production of Streptococcus mutans, Streptococcus sanguis and Actinomyces viscosus as a preparation for screening an effective agent to mediate the balance of oral microflora.
     目的 研究蜂房粗提物对致龋菌生长、产酸及产胞外多糖的影响 ,探讨蜂房粗提物是否能有效调节口腔菌群的生态平衡。
短句来源
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  相似匹配句对
     Architecture of Streptococcus mutans biofilms
     变异链球菌生物膜结构观察
短句来源
     MICROSCOPIC OBSERVATION OF STREPTOCOCCUS MUTANS ADHERENCE
     变形链球菌粘附现象的显微镜观察
短句来源
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The flow rate,pH,buffer capacity,calcium,phosphorus,fluoride ior contents,and Mutans streptococcus countof saliva and acidogenecity of plaque were collected and analysed from 118 children(carious 63,non-carions 55).Theresults showed that the difference of Mutans streptococci count of saliva and acidogenecity of plaque between cariousand non-carious is significant.

通过对118名幼儿(无龋组55名,多龋组63名)唾液的流率、pH、缓冲能、钙、磷、氟离子含量、变形链球菌计数和菌斑产酸能力等检测,并在无龋组和多龋组间进行对比。结果发现仅变形链球菌计数和菌斑产酸能力两项在无龋组和多龋组间显示明显差异,有临床应用价值。

Objective To study the influence of NaF to the dynamic change of plaque pH after rinsing sucrose solution.Methods Forty healthy volunteers were divided into four groups according to the fluoride application method.The plaque pH change within 1h after sucrose rinsing was measured by pH microelectrode.The supragingival plaques were collected after the pH measurements.Then the concentration of mutans streptococcus in the plaque was determined by spectrophotometer.Results Only in the group,in which the fluoride...

Objective To study the influence of NaF to the dynamic change of plaque pH after rinsing sucrose solution.Methods Forty healthy volunteers were divided into four groups according to the fluoride application method.The plaque pH change within 1h after sucrose rinsing was measured by pH microelectrode.The supragingival plaques were collected after the pH measurements.Then the concentration of mutans streptococcus in the plaque was determined by spectrophotometer.Results Only in the group,in which the fluoride and sucrose were given simultaneously,the plaque pH hasn't decreased significantly after sucrose rinsing and the pH minimal value maintain above 6.0.The change parameters(pHmin/△pH/AUC30) were significantly differed from other groups.Whereas in other groups,plaque pH can decrease to or below 5.5 after sucrose rinsing.There are no significant differences between the mutans streptococcus concentration of different groups.Conclusion In vivo,the amount of mutans streptococcus can't be influenced by the local application of the fluoride,while the acidogenic metabolism of the bacteria can be interferenced significantly by the fluoride.This effect depends on the fluoride concentration in plaque.It is worthwhile to further study the feasibility of applying fluoride when taking sucrose.

目的探讨氟化物对含漱糖溶液后菌斑产酸力的影响,以期为合理、正确使用氟制剂防治龋齿提供实验依据。方法采用4种局部用氟方式,分别为含氟牙膏刷牙,含氟牙膏刷牙加每天1次0.05%氟化钠漱口液含漱,含氟牙膏刷牙加每周1次0.2%氟化钠漱口液含漱,含氟牙膏刷牙加试验时即刻使用0.2%氟化钠漱口液含漱。采用微型pH电极接触法检测使用氟化物后菌斑pH在含漱蔗糖溶液后1 h内的变化;同时用分光光度计法检测菌斑内变形链球菌的含量。结果只有当含漱蔗糖的同时给予氟化物才能有效抑制菌斑pH下降,在含漱后各时间点菌斑pH均未发生明显变化,维持在6.0以上;而其他方式用氟后菌斑pH仍可下降至临界值5.5以下;4种用氟方式对菌斑内变形链球菌的含量无明显影响。结论氟化物可抑制菌斑内的产酸代谢活动,但这种抑制作用受菌斑内氟离子浓度的影响;在含漱糖溶液的同时给予氟可有效地抑制菌斑内酸的形成,降低菌斑的产酸力。

[Objectives] To compare the amount of mutans streptococcus in plaque before and after the fixed appliance bonding.[Methods] The present study was designed as a randomized paired study.Plaque samples were taken from the surface around the bracket of four maxillary incisors before and after the fixed appliances bonding for four weeks.The amount of MS per mg of plaque was measured by real time fluorescence-quantitative PCR.[Results] The counts of mutans streptococcus in plaque before and after the fixed...

[Objectives] To compare the amount of mutans streptococcus in plaque before and after the fixed appliance bonding.[Methods] The present study was designed as a randomized paired study.Plaque samples were taken from the surface around the bracket of four maxillary incisors before and after the fixed appliances bonding for four weeks.The amount of MS per mg of plaque was measured by real time fluorescence-quantitative PCR.[Results] The counts of mutans streptococcus in plaque before and after the fixed appliance bonding were 5.31×106 /mg and 6.35×106 /mg respectively,and the increase has statistical significance(P=0.0025).[Conclusions] The significant increase of the density of mutans streptococcus during orthodontic treatment maybe the etiology agent for enamel demineralization.

目的对粘结托槽前后菌斑中变形链球菌数量的差异进行定量研究。方法采用自身对照法。每个患者分两阶段取样:粘结托槽前和粘结托槽后4周;取样牙位包括上4个切牙。设计针对变链菌的特异性引物和MGB探针,应用实时荧光定量PCR技术测定每毫克菌斑样本中变链菌的数量。结果同一患者粘托槽前后变链菌数值分别为5.31×106/mg和6.35×106/mg,其差别有统计学意义(P=0.0025)。结论患者粘结托槽后,菌斑中变链菌密度的明显升高,可能是正畸治疗中白垩斑发生率较高的原因之一。

 
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