牙菌斑

木糖醇加锌漱口液对牙菌斑pH值影响的实验研究

Clinical study of ZnCl_2 and xylitol on pH of dental plaque

牙菌斑pH的动态变化及相关影响因素的研究

Study of the Dynamic Change of Dental Plaque pH and Effect of Relative Factors

这种牙刷可以温和去除牙菌斑而不损伤齿龈。

The toothbrush gently removes plaque without damaging the gums .

微型pH电极的制备及其在牙菌斑pH检测中的应用

Preparation of pH microelectrode and its application in plaque pH measurement

不同饮料对不同龋敏感儿童牙菌斑pH值的影响

Effects of Different Beverages on Plaque pH of Different Caries-sensitive Children

目的通过蜂胶口胶对变形链球菌、牙菌斑及唾液pH值的影响，初步探讨蜂胶口胶的防龋作用与机理。

The preventive effect and mechanism of propolis on caries were studied .

用于牙菌斑pH测定的复合型微pH电极的研制

The complex microelectrode for pH measurement of plaque

咀嚼麦芽糖醇口香糖对牙菌斑原位pH值的影响

Effect of the Maltitol-Gums on plaque pH

目的通过对牙面菌斑原位pH值的动态检测，观察咀嚼木糖醇口香糖对牙菌斑pH值的影响。

Objective To evaluate the effect of xylitol chewing gum on dental plaque pH in vivo .

咀嚼口香糖对含漱蔗糖溶液后牙菌斑原位pH值的影响

Effect of Chewing Gum after Sucrose Challenge on the Variance of Dental Plaque pH in Situ

结果观察组使用蜂胶口胶后变形链球菌数量显著减少，牙菌斑指数降低，唾液pH值高于对照组。

Results Propolis gum significantly reduced the plaque index , the numbers of SM , and raised the salivary pH .

目的研制可用于牙菌斑pH原位检测的化学修饰性微型pH电极。

Objective To develop a chemically modified pH microelectrode which can be used in the measurement of dental plaque pH in situ .

目的采用半巢式PCR方法检测牙菌斑、唾液及胃粘膜幽门螺杆菌（HelicobacterPylori，Hp），以了解口腔中Hp与胃粘膜Hp感染的关系。

Objective To investigate the etiological relationship between oral Helicobacter pylori ( Hp ) and gastric Hp Colonization .

目的：观察咀嚼含糖口香糖和含木糖醇口香糖对牙菌斑原位pH值变化的影响。

Objective : To evaluate the effect of chewing sugar-containing gum and sugar-free gum after sucrose challenge on the variance of dental plaque pH in situ .

目的：探讨幽门螺杆菌（HelicobacterPylori，Hp）在牙菌斑及胃粘膜分布状况。

Objective : Our objective was to investigate the distribution of Helicobacter pylori between stomachal mucosa and dental plaque .

结论应用荧光抗体法检测牙菌斑Hp可作为流行病学调查的方法使用，而荧光抗体结合胶囊采样法检测胃液Hp作流行病学调查发现并确认现胃病患者，是一种很有前途的方法。

It is concluded that detection of Hp in dental plaques by fluorescent antibody assay can be used in the epidemiological survey .

特异性IgY抗体对人牙菌斑中变形链球菌的影响

Effects of Specific IgY on Mutans Streptococci in Dental Plaque

结论蜂胶口胶抑制变形链球菌的生长繁殖，影响牙菌斑的形成，并升高唾液pH值，在龋病的预防上有开发价值。

Conclusion Propolis gum can depress the growth of SM and development of plaque , increase the pH value in saliva , and is usefull in preventing caries .

pylori感染者取其口腔牙菌斑及胃粘膜活检标本进行H.pyl（）ri的分析研究。

We extracted samples from dental plaque and gastric mucosa of the patients who were infected with H.pylori for investigation .

目的：旨在于了解幽门螺杆菌（Hp）传播的途径、牙菌斑中Hp存在的意义。

Objective : To assess the mode of transmission and the significance of the existence of helicobacter pylori ( Hp ) in dental plaque .

方法采用细菌分离、培养，生化试验和免疫学血清凝集试验对婴儿乳前牙牙菌斑内细菌进行分离鉴定，分析MS的定殖情况以及其与婴儿期喂养方式的关系。

Methods The bacteria in the dental plaque of the anterior deciduous teeth were isolated and identified by colony morphology , biochemical test and immunoassay of serum agglutination .

31例（65.9%）唾液标本Hp阳性。而13例胃粘膜Hp阴性者中仍有2例牙菌斑中检出Hp，1例唾液中检出Hp。

Hp was positive in dental plaque in 2 cases and in saliva in 1 case out of 13 gastritis patients with negative gastric Hp .

目的：初步探讨在牙菌斑生物膜天然环境中，内氏放线菌尿素酶能否发挥高效尿素水解反应，以及尿素水解对口腔环境中pH值的调节作用。

PURPOSE : To explore whether the ureolysis of Actinomyces naeslundii could keep high level in the natural dental biofilm and the effect of ureolysis on the environmental pH balance preliminarily .

结果：含漱蔗糖溶液后5min开始咀嚼口香糖20min，可以明显提高牙菌斑pH值，使pH较快恢复至静止水平。

Results : 5 min after sucrose rinse followed by chewing gum 20 min could raise pH significantly .

26例胃粘膜Hp阴性的患者中3例（11.5%）牙菌斑Hp阳性，3例（11.5%）唾液Hp阳性。

Furthermore , Hp was positive in dental plaque in 3 cases and in saliva in 3 cases among 26 patients with negative gastric mucosa Hp .

目的：研究抗变形链球菌葡糖基转移酶过表达株IgY抗体对人牙菌斑中变形链球菌的影响。

Objective : To study the effect of specific IgY on mutans streptococci in dental plaque .

研究人员分析了五名尼安德塔人硬化的牙菌斑，这五名尼安德塔人遗体在西班牙北部的ElSidróncave被发现。

Researchers analyzed hardened dental plaque from five Neanderthals found in El Sidr ó n cave , in northern Spain .

口腔牙菌斑中Hp检出率分别为88.7%、25.8%、69.4%、90.3%。

The detective rates of Hp in dental plaque by four methods were 88.7 % , 25.8 % , 69.4 % , and 90.3 % , respectively .

牙菌斑牙龈炎在有无患龋两组之间的差异有明显统计学意义（p0.05）。

The plaque and gingivitis in caries and caries-free group there are significant differences between the two groups , there was statistically significant ( p 0.05 ) . 4 .

含Triclosan和sodiummonofluorophosphate新型牙膏对牙菌斑量和唾液中变异链球菌数的影响

Effect of a Dentifrice Containing Triclosan and Sodium Monofluorophosphate on Dental Plaque and Salivary Mutans streptococci levels