Acidogenicity and acid tolerance ofStreptococcus oralisandStreptococcus mitisisolated from plaque of healthy and incipient caries teeth
نویسندگان
چکیده
منابع مشابه
Acidogenicity and acid tolerance of Streptococcus oralis and Streptococcus mitis isolated from plaque of healthy and incipient caries teeth
BACKGROUND Non-mutans low pH oral streptococci are postulated to contribute to caries etiology. OBJECTIVE This study was undertaken to investigate whether the acidogenicity and acid tolerance of clinical strains of Streptococcus oralis and Streptococcus mitis correlate with health or early-stage enamel caries. DESIGN S. oralis and S. mitis were isolated from plaque samples taken from the oc...
متن کاملCorrelation of Dental Plaque Acidogenicity and Acidurance with Caries Activity – Perspectives of the Ecological Plaque Hypothesis
The ecological plaque hypothesis for the aetiopathogenesis of caries implies a microbial shift towards a more acidogenic and aciduric dental plaque microflora, due to a frequent carbohydrate intake. Certain plaque bacteria exhibit metabolic activity, at a low pH. A correlation exists between the increased numbers of some aciduric bacterial species, e.g. mutans streptococci and lactobacilli, and...
متن کاملhistological evaluation of the effect of three medicaments; trichloracetic acid, formocresol and mineral trioxide aggregate on pulpotomized teeth of dogs
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15 صفحه اولsynthesis of sulfides from alcohols and thiols in solvent-freeconditions and deoxygenation of sulfoxides
کاتالیست یک سنتز جدید برای تیواترها توصیف شده است. واکنش الکل ها با آریل، هتروآریل و آلکیل تیو ل ها درحضور 1،3،5- تری آزو- 2،4،6- تری فسفرین-2،2،4،4،6،6 هگزاکلراید ((tapc به عنوان یک کاتالیست موُثر، بازده های خوب تا عالی از تیواترها را حاصل می کند. علاوه براین، واکنش تحت شرایط بدون فلز و بدون حلال پیش می رود، بنابراین یک مکمل جالب برای روش های شناخته شده سنتز تیواترها ارائه می دهد. یک مکانیسم ا...
15 صفحه اولAcidogenicity and acidurance of dental plaque and saliva sediment from adults in relation to caries activity and chlorhexidine exposure
BACKGROUND The ecological plaque hypothesis for the etiopathogenesis of caries implies a microbial shift towards a more aciduric dental plaque microbiota, due to a frequent carbohydrate intake. Acid tolerance has been suggested as an important property of the caries-associated bacteria and several in vitro studies with mixed cultures indicated that a low pH rather than the carbohydrate availabi...
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ژورنال
عنوان ژورنال: Journal of Oral Microbiology
سال: 2016
ISSN: 2000-2297
DOI: 10.3402/jom.v8.32940