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Latest Enamel Stories

2010-12-15 15:56:37

In a study that the authors describe as lending credence to the idiom, "by the skin of your teeth," scientists are reporting that the protective shield fluoride forms on teeth is up to 100 times thinner than previously believed. It raises questions about how this renowned cavity-fighter really works and could lead to better ways of protecting teeth from decay, the scientists suggest. Their study appears in ACS' journal Langmuir. Frank Mller and colleagues point out that tooth decay is a major...

2010-02-05 14:01:35

Ancient human teeth are telling secrets that may relate to modern-day health: Some stressful events that occurred early in development are linked to shorter life spans. "Prehistoric remains are providing strong, physical evidence that people who acquired tooth enamel defects while in the womb or early childhood tended to die earlier, even if they survived to adulthood," says Emory University anthropologist George Armelagos. Armelagos led a systematic review of defects in teeth enamel and...

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2009-12-17 10:10:00

The teeth of some apes are formed primarily to handle the most stressful times when food is scarce, according to new research performed at the National Institute of Standards and Technology (NIST). The findings imply that if humanity is serious about protecting its close evolutionary cousins, the food apes eat during these tough periods"”and where they find it"”must be included in conservation efforts. The interdisciplinary team, which brought together anthropologists from George...

2009-10-20 12:57:00

MINNEAPOLIS, Oct. 20 /PRNewswire/ -- When making Halloween candy purchases, the Minnesota Dental Association warns that popular "sour candy" can trick teeth by causing permanent erosion of the dental enamel on the teeth. The Minnesota Dental Association encourages adults to consider "tooth healthy treats" that will both put and keep a smile on children's faces. "As dentists, we see an alarming number of children with permanent erosion of the dental enamel on their teeth," says Dr....

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2009-09-04 09:23:53

Prediction about enamelin gene by UC Riverside biologists upheld by evidence Biologists at the University of California, Riverside report new evidence for evolutionary change recorded in both the fossil record and the genomes (or genetic blueprints) of living organisms, providing fresh support for Charles Darwin's theory of evolution. The researchers were able to correlate the progressive loss of enamel in the fossil record with a simultaneous molecular decay of a gene, called the enamelin...

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2009-08-19 15:50:00

It's been a mystery: how can our teeth withstand such an enormous amount of pressure, over many years, when tooth enamel is only about as strong as glass? A new study by Prof. Herzl Chai of Tel Aviv University's School of Mechanical Engineering and his colleagues at the National Institute of Standards and Technology and George Washington University gives the answer.The researchers applied varying degrees of mechanical pressure to hundreds of extracted teeth, and studied what occurred on the...

2009-04-15 21:25:54

U.S. researchers say teeth lose some enamel hardness after using in-home teeth bleaching. The study, published in the Journal of Dentistry, was able to show on a nanometer scale -- one measuring in billionths of a meter -- how home tooth bleaching products affect tooth enamel. There is some significant reduction in nano-hardness of enamel, but we are talking on a very minute scale. So even though it may not be visible to the human eye, it's important for research because that's how we...


Word of the Day
call-note
  • The call or cry of a bird or other animal to its mate or its young.
'Call-note' is newer than 'bird-call,' which originally referred to 'an instrument for imitating the note of birds' but now also refers to 'the song or cry of a bird.'
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