نتایج جستجو برای: streptococcus mutans lactobacillus
تعداد نتایج: 59620 فیلتر نتایج به سال:
Examination of the culture fluids from a number of strains of oral streptococci and latobacilli has shown the presence of an erythrocyte-sensitizing antigen with the properties of lipoteichoic acid. The antigen was isolated from the culture fluids of Lactobacillus casei and Lactobacillus fermentum and characterized chemically and serologically, For other strains, serological evidence for the pr...
Pyruvate kinase of Streptococcus mutans JC 2 had an absolute and specific requirement for glucose-6-phosphate. Inorganic phosphate was a strong inhibitor. The enzyme required K+ or NH4+ and Mg2+ or Mn2+. S. mutans FIL and E 49, Streptococcus bovis ATCC 9809, and Streptococcus salivarius ATCC 13419 had also glucose-6-phosphate-dependent pyruvate kinases, whereas Streptococcus sanguis NCTC 10904 ...
Introduction: Tooth decay is one of the most essential and costly diseases globally, which is caused by the formation of biofilms by various bacteria. This study aimed to investigate the synergistic antibacterial effect of Rosmarinus officinalis and Eugenia caryophyllataon inhibiting the growth and biofilm obtained of Streptococcus mutans and Streptococcus sanguinis bacteria. Methods: Rosmarin...
INTRODUCTION AND OBJECTIVE A large number of colonies of Streptococcus mutans (SM) and Lactobacillus (LB) cariogenic bacteria in the saliva show a high risk of dental caries development. Cotinine is a biomarker of exposure to the tobacco smoke. The aim of the study was assessment of the number of Streptococcus mutans and Lactobacillus in the saliva of n...
BACKGROUND Oral diseases and conditions have been identified as a significant problem for elderly residents of long-term care (LTC) hospitals in developed countries, yet little recent information is available for the Canadian population. OBJECTIVE To describe the medical, dietary, oral microbial, oral hygiene and dental status of elderly Canadians living in LTC hospitals in Vancouver and surr...
Streptococcus mutans present in a man on a world wide basis (Birgitta Kohler & Douglas Bratthall 1976). High numbers in the mouth of Streptococcus mutans are associated with both high prevalence and a high incidence of dental caries. The Directorate of Oral Health Ministry of Health Republic of Indonesia declared 60 80 percent of school children between 4 14 years by age were suffering from den...
This study aims to evaluate the activity of Italian vulnerary plants against the most important oral pathogenic bacteria. This estimate was accomplished through a fivefold process: (a) a review of ethnobotanical and microbiological data concerning the Italian vulnerary plants; (b) the development of a scoring system to rank the plants; (c) the comparative assessment of microbiological propertie...
A sequence of 1647 base pairs in length of Streptococcus mutans DNA that encodes for a 63-kDa protein with significant amino acid similarity with fibronectin-binding proteins of Streptococcus pyogenes and Streptococcus gordonii was cloned. The putative recombinant fibronectin-binding protein of S. mutans was purified using affinity chromatography and the cloned protein was used to prepare polyc...
Chronic pulpal inflammation under caries appears to be elicited by bacterial antigens that diffuse into the pulp through dentinal tubules. This prompted the hypothesis that cytokines elicited by antigens from Streptococcus mutans, which frequently dominates shallow lesions, could play a major role in eliciting the initial T-cell response in the pulp. To test this, we examined the ability of S. ...
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