Streptococcus mutans; Fluorescent quantitation PCR; Saliva;
变形链球菌；荧光定量PCR；唾液；
Streptococcus mutans is the primary etiological agent of human dental caries.
变形链球菌是引发龋病的主要病原因素。
Studies on the Morphology, Biology and Pathogenicity of Knemidokoptes Mutans;
致病性这一术语是指寄生物引起疾病的能力。
Objective to study the effect of Mutans Streptococcus 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。
Oral Streptococcus mutans is an etiologic agent of dental caries and Streptococcus sangius is in favor of periodontal tissues.
口腔变形链球菌是龋病的主要致病菌，血链球菌为牙周有益菌。
Objective: To examine the adhension and formation of the dental biofilm by sreptococcus mutans on superhydrophobic nanometer film.
目的：探讨变形链球菌对表面涂有不同超疏水纳米膜的羟基磷灰石片的黏附和早期生物膜的形成。
PURPOSE: To synthesis and identify the competence stimulated peptide (CSP) of streptococcus mutans quorum sensing signaling system.
目的：人工合成变形链球菌密度感也CSP信号肽及鉴定。
Objectives:To evaluate the effect of different carbohydrates in the broth on the acidogenicity of the Streptococcus mutans isolates.
目的：观察不同糖源对变形链球菌（变链）生长产酸的影响。
Methods Streptocoocus mutans and actinomyces in 60 cases of dental root surface caries were studied quantitatively in selective media.
方法用选择性培养基对6 0例根面龋中的细菌进行定量研究。
This paper made a comparison of extracting antigen of S. Mutans by three groups of protein isolation solution under different time and temperature.
本文对三组不同组分的蛋白解离液在不同温度和时间对变链球菌细胞表面蛋白抗原的提取进行了比较。
A total of 46 S. mutans isolates from 24 subjects were analyzed by AP_PCR, and 29 different amplitypes were identifyied, 45.8% carried two genotypes.
经AP_PCR扩增，24名儿童口腔中检测出29个不同基因型的变形链球菌，其中携带2个以上基因型儿童占45.8%。
Objective To compare the growth inhibiting effect of two different concentrations fluoride protectors to Streptococcus mutans and Streptococcus sobrinus.
目的比较两种浓度氟保护漆对致龋链球菌生长抑制作用。
Objective: To sequence V-region and P-region gene of surface protein of serotype c Streptococcus mutans clinical isolates with different adherent abilities.
目的：对不同粘附力变形链球菌临床分离株表面蛋白V区、P区编码基因进行序列测定。
OBJECTIVE: To investigate the ability of biofilm formation and aciduricity of Streptococcus mutans isolated from people with different caries susceptibility.
目的：探讨不同龋敏感者变形链球菌临床分离株的生物膜形成能力和产酸能力。
Mutans streptococci (MS) are the primary cariogenic agents, and Streptococcus mutans and Streptococcus sobrinus are believed to have the closest relationship with human caries.
变形链球菌族（MS）是目前公认的致龋菌，其中与人类龋病发生关系密切的是变形链球菌和茸毛链球菌。
RESULT:The number of treptococcus mutans of chinese nutgall group is equal to that of the NaF group ( P>0.05), but significantly less than the distilled water group ( P< 0.01).
结果：变链菌计数五倍子组少于蒸馏水组（P< 0 .0 1） ，与氟化钠组间无显著差异（P >0 .0 5 ）。
Objective To evaluate the effect of chlorhexidine varnish on Streptococcus mutans and total bacterial count in dental plaque of orthodontic children, and the changes of salivary pH.
目的观察和探讨洗必泰涂料对正畸儿童牙面菌斑中细菌总数和变形链球菌数的影响，以及唾液pH值的改变。
The architecture of biofilms formed by antisense PS-ODNs-treated S. mutans showed reduced biomass, more dispersed distribution with enlarged interspaces and fewer layers of attached cells.
而对于变形链球菌形成的生物膜，则可使其结构发生改变，包括基质的减少，更加分散的分布，粘附细胞层数的减少。
The architecture of biofilms formed by antisense PS-ODNs-treated S. mutans showed reduced biomass, more dispersed distribution with enlarged interspaces and fewer layers of attached cells.
而对于变形链球菌形成的生物膜，则可使其结构发生改变，包括基质的减少，更加分散的分布，粘附细胞层数的减少。
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