Streptococcus mutans


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Streptococcus

 [strep″to-kok´us]
a genus of gram-positive, facultatively aerobic cocci (family Streptococcaceae) occurring in pairs or chains. It is separable into the pyogenic group, the viridans group, the enterococcus group, and the lactic group. The first group includes the beta-hemolytic human and animal pathogens; the second and third include alpha-hemolytic parasitic forms occurring as normal flora in the upper respiratory tract and the intestinal tract, respectively; and the fourth is made up of saprophytic forms.
Streptococcus mu´tans a species implicated in dental caries.
Streptococcus pneumo´niae a small, slightly elongated, encapsulated coccus, one end of which is pointed or lance-shaped; the organisms commonly occur in pairs. This is the most common cause of lobar pneumonia, and it also causes serious forms of meningitis, septicemia, empyema, and peritonitis. There are some 80 serotypes distinguished by the polysaccharide hapten of the capsular substance. Called also pneumococcus.
Streptococcus pyo´genes a beta-hemolytic, toxigenic, pyogenic species that causes septic sore throat, scarlet fever, rheumatic fever, puerperal fever, acute glomerulonephritis, and other conditions in humans.

Strep·to·coc·cus mu·tans

a bacterial species associated with the production of dental caries in humans and in some other animals and with subacute endocarditis.

Strep·to·coc·cus mu·tans

(strep'tō-kok'ŭs myū'tanz)
A bacterial species associated with the production of dental caries in humans and in some other animals and with subacute endocarditis.

Strep·to·coc·cus mu·tans

(strep'tō-kok'ŭs myū'tanz)
A bacterial species associated with the production of dental caries in humans and with subacute endocarditis.
References in periodicals archive ?
Detection of Streptococcus mutans and Streptococcus sobrinus in dental plaque samples from Brazilian preschool children by Polymerase Chain Reaction.
A comparative study of Streptococcus mutans and lactobacilli in mothers and children with severe early childhood caries (SECC) versus a caries free group of children and their corresponding mothers.
(2000) al evaluar el recuento de Streptococcus mutans en 12 individuos controles y 12 pacientes con cancer de cabeza y cuello, sometidos a radioterapia, despues de mantener en su boca 5 mL de miel por 5 minutos, observaron una reduccion significativa del recuento bacteriano en los pacientes con cancer, sugiriendo que la miel de abejas puede ser considerada un agente antibacteriano en pacientes con xerostomia inducida por la radioterapia.
Table 1 shows the in vitro antimicrobial activity of the tested toothpastes and mouthwashes against Streptococcus mutans. Growth inhibitions were dependent on both the sample used and the concentrations tested.
[29] They also reported that levels of cariogenic Streptococcus mutans were not significantly different in head and neck cancer patients, nor was there a significant incidence of dental caries.
Barney has also patented for Miller the use of acid hops in toothpaste, mouthwash and tooth powders to kill Streptococcus mutans, a bacteria responsible for dental cavities.
The antibody prevents Streptococcus mutans, bacteria that cause 95 percent of tooth decay, from sticking to teeth.
For example, its constituents have a natural antibiotic activity against Streptococcus mutans, the bacterium that causes dental cavities.
(2006) showed results, 0.1% noni fruit extract effectively inhibits the growth of Streptococcus mutans (19 [+ or -] 0.5 mm) and Streptococcus mythic (18.6 [+ or -] 0.3 mm).
Among the causative agents of dental caries, notable one is Streptococcus mutans, which is an obligate parasite.
Lemon peel extract has properties that help fights bacteria, like Streptococcus mutans, which cause oral diseases.A

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