Words similar to fluoride
Example sentences for: fluoride
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The greater the consumption of dietary sucrose, the greater the fall in pH and fraction of acidogenic, acid tolerant bacteria in tooth adherent plaques [ 10 11 ] . The number of these bacteria (mostly mutans streptococci and lactobacilli), and the fluoride content, discriminate between severe and mild caries in 12-15 year-old children [ 12 13 ] . Acid-tolerant bacteria require D-alanyl glycerol lipoteichoic acid (D-alanyl LTA) in their membranes and cell surfaces [ 14 ] . D-alanyl LTA is made by esterifying carboxyl-activated D-alanine to glycerol in membrane LTA by means of a D-alanyl-carrier enzyme, DCP [ 15 ] . Strains of
Over the last 50 years, the widespread usage of fluoridated water and fluoridated dentrifices have been cited as major reasons for a decline in caries since the early 1970s [ 1 ] , and for the appearance of a significant association between oral hygiene and caries experience [ 2 3 4 ] . An inverse relationship exists between salivary fluoride concentration and caries experience in the deciduous and permanent dentition [ 5 ] , but fluoride concentration is excluded from most caries prediction models [ 6 7 ] . Acids in bacterial plaques cause caries in pits, fissures and interdental regions of teeth, but they also enhance the inhibitory effect of fluoride on demineralization, confounding the ability to predict caries from the salivary fluoride concentration [ 8 9 ] .
In high responders, DMFT increased as plaque and BOP prevalences increased and fell as fluoride exposure increased.
Increased exposure to fluoridated water, and dentrifices associated with good gingival health, may result in fluoride inhibiting enamel remineralization at the acidic plaque pH likely present in high responders.
The concept that fluoride protects better from caries in a low pH environment [ 12 ] was recently used to explain why there is a poor association between caries experience and pH fall after a 10% sucrose rinse [ 33 ] . In low responders, increased fluoride exposure from dentriflce use to maintain oral health, or from water fluoridation, associate relatively poorly with caries experience.
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