News tagged with teeth

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Give dirty mouths a brush

The human mouth is home to an estimated 800 to 1,000 different kinds of bacteria. The warm and moist environment, along with hard tooth surfaces and soft tissues, prove to be optimal factors in boosting germ growth. Many ...

Apr 13, 2010
3.8 / 5 (6) 0

Jaws -- 4 million BC

It might sound like a mashup of monster movies, but palaeontologists have discovered evidence of how an extinct shark attacked its prey, reconstructing a killing that took place 4 million years ago.

Mar 16, 2010
4.7 / 5 (9) 0 | with audio podcast

The formula for making teeth will soon be found

Each cusp of our teeth is regulated by genes which carefully control the development. A similar genetic puzzle also regulates the differentiation of our other organs and of all living organisms. A team of researchers at the ...

Mar 15, 2010
5 / 5 (3) 1

Stress -- don't let it grind you down

People who are stressed by daily problems or trouble at work seem to be more likely to grind their teeth at night. Researchers writing in BioMed Central's open access journal Head & Face Medicine studied the causes of 'sl ...

Mar 05, 2010
4.5 / 5 (2) 0

Poor oral hygiene among 19-year-olds

Swedish 19-year-olds need to improve their oral hygiene habits. Seven out of eight adolescents have unacceptable oral hygiene, which increases the risk of future dental problems. These are the findings of a new study from ...

Jan 19, 2010
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Ongoing evolution among modern humans

(PhysOrg.com) -- It has long been the common perception that once modern humans appeared more than 50,000 years ago, little has changed in human biology.

Jan 05, 2010
4.4 / 5 (14) 5 | with audio podcast

Doctors create gum that helps promote tooth health

With the help of a gum chomping machine and years of careful chemistry, University of Kentucky researchers have developed a chewing gum that can help replace toothpaste and a toothbrush, thus improving the health of soldiers ...

Nov 13, 2009
4 / 5 (4) 1

Teeth grinding linked to sleep apnea

There is a high prevalence of nocturnal teeth grinding, or bruxism, in patients with obstructive sleep apnea (OSA), particularly in Caucasians. New research presented at CHEST 2009, the 75th annual international scientific ...

Nov 02, 2009
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