نتایج جستجو برای: streptococcus mutans lactobacillus

تعداد نتایج: 59620  

2010
Lisa Simon

Introduction Microbial and Host Ecology Pathogenic Bacteria Streptococcus mutans Modes of Transmission Virulence Factors Coevolution of humans and Streptococcus mutans Early Childhood Caries Treatment Options Conclusion References

2012
Pierre Marie Kaktcham Ngoufack François Zambou Félicité Mbiapo Tchouanguep Morsi El-Soda Muhammad Iqbal Choudhary

Twenty-one Lactobacillus isolates from "Sha'a" (a maize - based fermented beverage) and "Kossam" (traditionally fermented cow milk) were selected in accordance with their antagonistic activities and tested for their bacteriocinogenic potential as well as safety properties. These isolates were preliminarily identified as Lactobacillus plantarum (62%), Lactobacillus rhamnosus (24%), Lactobacillus...

Journal: :General dentistry 2009
Dilip George Sham S Bhat Beena Antony

Aloe vera (Aloe barbadensis Miller) has been suggested for a wide variety of ailments but its use in dentistry is limited. This article reviews the uses of the plant and describes an in vitro investigation that compared the antimicrobial effectiveness of aloe vera tooth gel with two popular, commercially available dentifrices. The preliminary results showed that aloe vera tooth gel and the toot...

Journal: :Infection and immunity 1982
T Ikeda T Iwanami M Hirasawa C Watanabe J R McGhee T Shiota

An inhibition factor from Streptococcus mutans strain C3603 (serotype c) was purified and isolated, and its properties indicated that it was a bacteriocin. Bacteriocin C3603 is a basic protein with a pI value of 10 and a molecular weight of 4,800. The activity of this bacteriocin was not affected by pH over a range of 1.0 to 12.0 or by storage at 100 degrees C for 10 min at pH 2.0 to 7.0 or sto...

2018
Audrey Yule Coqueiro Andrea Bonvini Raquel Raizel Julio Tirapegui Marcelo Macedo Rogero

Background: Probiotic supplementation alters oral microbiota composition and could reduce the risk or treat oral cavity diseases, such as dental caries, which are considered a public health problem. Aim: To summarize the therapeutic effects of probiotics in caries and to verify whether this intervention is capable of replacing conventional treatment in human beings. Methods: The search of the s...

2011
Sh. Abdollahzadeh RY. Mashouf H. Mortazavi MH. Moghaddam N. Roozbahani M. Vahedi

OBJECTIVE Punica granatum has been used for many years in folk medicine due to several purposes. The aim of the present study was to evaluate the effect of methanolic extract of Punica granatum peel (MEPGP) against Streptococcus mutans, Staphylococcus aureus, Streptococcus salivarius, Streptococcus sanguinis, Staphylococcus epidermidis, Actynomyces viscosus, Lactobacillus acidophilus and Candid...

Journal: :Antimicrobial agents and chemotherapy 1974
K Yokogawa S Kawata S Nishimura Y Ikeda Y Yoshimura

Mutanolysin partially purified from the culture filtrate of Streptomyces globisporus 1829 consists of two main lytic enzymes with an isoelectric point near pH 8.5 and 10, respectively, and proteolytic enzyme is associated with the latter lytic enzyme. Mutanolysin exhibited maximal lytic activity at 60 C in the pH range 6.5 to 7.0 and was stable at 50 C in the acid range. N-bromosuccinimide caus...

Journal: :novelty in biomedicine 0
shila emamieh department of operative dentistry, school of dentistry, shahid beheshti university of medical sciences, tehran, iran hossein goudarzi department of microbiology, school of medicine, shahid beheshti university of medical sciences, tehran, iran alireza akbarzadeh baghban department of basic sciences, school of rehabilitation, shahid beheshti university of medical sciences, tehran, iran yosra khaterizadeh department of operative dentistry, school of dentistry, shahid beheshti university of medical sciences, tehran, iran

background:dental caries is associated with oral pathogenes and streptococcus mutans (s. mutans)is one of the primary cariogenic organisms. the aim of this clinical study was to evaluate the effect of sugar free chewing gum containing casein phosphopeptide-amorphous calcium phosphate(cpp-acp) and xylitol on salivary streptococcus mutan.   m aterials and methods: 60 dental students, who voluntee...

2002
Gamal M. El-Sherbiny

Streptococcus mutans is a Gram-positive, non-motile, non-spore forming, catalasenegative, facultative anaerobic cocci bacterium commonly found in the human oral cavity, is a significant contributor to tooth decay (David et al., 2011). The mutans streptococci comprise a group of seven species, of which Streptococcus mutans and Streptococcus sobrinus are the predominant species isolated from huma...

Journal: :avicenna journal of clinical microbiology and infection 0
mohammad esmaeilzadeh department of pediatric dentistry, hamadan university of medical sciences, hamadan, ir iran farzad mojarad department of pediatric dentistry, hamadan university of medical sciences, hamadan, ir iran zakieh donyavi department of endodontic, hamadan university of medical sciences, hamadan, ir iran rasoul yousefi mashouf departments of microbiology, faculty of medicine, hamadan university of medical sciences, hamadan, ir iran negar khezri sarijeh department of pediatric dentistry, hamadan university of medical sciences, hamadan, ir iran; department of pediatric dentistry, hamadan university of medical sciences, hamadan, ir iran. tel: +98-8138381059, fax: +98-8138381085

conclusions in spite of what the parents believe, iron supplements not only do not cause dental carries but also they have preventive and inhibitory effects on them. furthermore, it is highly recommended that supplements containing both iron and zinc elements should be preferred over supplements containing only iron elements. materials and methods the antimicrobial effects of six different type...

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