نتایج جستجو برای: dental plaque and caries
تعداد نتایج: 16855478 فیلتر نتایج به سال:
Minimal Intervention Dentistry (MID) is a modern approach to the management of caries, which emphasizes prevention and early interception of disease, underpinned by an understanding of the role of the dental plaque biofilm in disease initiation and progression, and how this is affected by lifestyle and behavioral factors. The MID approach should be the standard of care in modern restorative den...
Background and aim: reduction of dental plaque pH is an effective factor in the incidence of dental caries. One of the common methods for assessment of the cariogenic potential of food products is the study of plaque pH changes in the oral environment. The present study was performed due to the importance of dental plaque and its known complications and also the increase in consumption of indus...
The purpose of this study was to investigate the relationship among frequency of sucrose exposure, mutans streptococci levels and dental caries. Adult volunteers took part in this crossover study performed in 4 phases of 28 days each. The volunteers wore intra-oral palatal appliances containing blocks of human dental enamel and dripped 20% sucrose solution onto the dental blocks from 0 to 8 tim...
A dynamic relation exists between sugars and oral health. Diet affects the integrity of the teeth; quantity, pH, and composition of the saliva; and plaque pH. Sugars and other fermentable carbohydrates, after being hydrolyzed by salivary amylase, provide substrate for the actions of oral bacteria, which in turn lower plaque and salivary pH. The resultant action is the beginning of tooth deminer...
BACKGROUND Dental caries has 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 document the caries status of elderly dentate residents of intermediate and extended LTC hospitals in Vancouver and surrounding communities. METHODS A dentist...
The aim of this study was to use molecular identification methods, such as 16S RNA gene sequence and reverse-capture checkerboard hybridization, for identification of the bacteria associated with dental caries and with dental health in a subset of 204 twins aged 1.5 to 7 years old. A total of 448 plaque samples (118 collected from caries-free subjects and 330 from caries-active subjects) were u...
BACKGROUND Dental caries develops as a result of the metabolism of carbohydrates by cariogenic bacteria present in a complex biofilm. The present study aimed to examine if bacteria in pooled supragingival plaque samples quantified using a "checkerboard DNA-DNA hybridization" based panel of caries-related bacteria, could reflect the caries experience in a manner similar to saliva samples analyse...
The detection of dental decay has conventionally been dependent upon direct visual assessment of the dried tooth surface under good illumination, tactile assessment of open dental caries using a probe to help clean debris within fissures, clinical experience and the use of dental radiography. Studies have shown considerable variation berween clinicians in the detection of dental caries. Recent ...
Dental caries was the most common disease in both adults and children. Streptococcus mutans is main bacteria causing plaque formation initiator of dental caries. Antibacterials derived from plants can be used to prevent formation. Taro (Colosia esculenta) has been traditional medicine. Antibacterial compounds have discovered C. esculenta leaves. This study aimed determine ability leaf ethanol e...
BACKGROUND Consistency, backing process and content differences could influence cariogenic potential of foods. The aim was to compare plaque pH changes following consumption of two types of bread with different physical characteristics. METHODS In this clinical trial, interproximal plaque pH of 10 volunteers with high risk of dental caries (saliva Streptococcus mutans > 10(5), high dental car...
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