Most people brush their teeth wrongly
More than two out of three people who say they brush their teeth twice a day have substantial deposits of plaque in their mouths, probably because they are brushing incorrectly, a government survey reveals today (Thursday, 23 March). One of the experts who took part in the national study, Dr Jimmy Steele, of Newcastle University Dental School,... view more... (2000-03-22)
Armour-plated fish and the evolution of dentists
The discovery of small spikes lining the mouths of primitive fossil fish reveal surprising new details about how early animals fed. New research published today in a Royal Society paper sheds light on how teeth evolved. Primitive fish did not have jaws or fins but were covered in rigid bony scales and resembled small armour-plated submarines. Dr... view more... (2002-01-07)
A brand new Microcar
The basque technological centre TEKNIKER has developed a brand new microcar to test all its capabilities in the micromanufacture. It is driven by an electric motor, the smallest in the market with an external diameter of 1.9 mm and longitude of 5 mm, a stator coil wound with 30 µm diameter wire and a rotor with permanent magnets. This micromotor... view more... (2004-07-29)
Dental health improves but North-South divide exists
The image of toothless old folk is fast becoming outdated as the health of people's teeth improves, according to one of the authors of a report published today (Wednesday), who is available to be interviewed. The report also provides evidence of a North-South divide, with tooth decay more prevalent in Northern England, where people are also more... view more... (1999-09-08)
A new gene for familial cancer was found
A research group at the University of Helsinki, Finland, has found a gene defect that causes hereditary colorectal cancer and defects in dentition. The finding was published online on March 23 in the American Journal of Human Genetics. The groups led by professors Sinikka Pirinen and Irma Thesleff at the Institute of Dentistry and Institute of... view more... (2004-03-26)
Calcium important for nursing mothers' oral health
Mothers who breastfeed should be sure to have enough Calcium in their diet, or may risk bone loss around their teeth and gums, according to a new study that appears in the January issue of the Journal of Periodontology (JOP). view more (2007-01-10)
Root Beer May Be "Safest" Soft Drink for Teeth
Exposing teeth to soft drinks, even for a short period of time, causes dental erosion—and prolonged exposure can lead to significant enamel loss. Root beer products, however, are non-carbonated and do not contain the acids that harm teeth. view more (2007-03-21)
Free radical scavenging is defective in periodontal (tooth loosening) disease
The capacity to mop up harmful oxygen free radicals seems to be reduced in people with periodontal disease, finds research in Molecular Pathology. Periodontal disease affects between 10 and 15% of people worldwide. A leading cause of tooth loss, it develops as a result of bacterial infection from a build-up of the sticky, colourless bacterial... view more... (2002-11-22)
New fossil tells how piranhas got their teeth
How did piranhas - the legendary freshwater fish with the razor bite - get their telltale teeth? view more (2009-06-26)
Two-thirds of patients brush off their dentist's advice
The best efforts of dentists don't always mean people will look after their teeth, British researchers have found. view more (2005-05-13)
Study: Sports drink consumption can cause tooth erosion
While sipping on sports drinks all day may provide an energy boost, this popular practice is also exposing people to levels of acid that can cause tooth erosion and hypersensitivity, NYU dental researchers have found. view more (2009-04-06)
Grow Your Own Teeth
People who have lost or damaged teeth could soon be growing their own, thanks to a major scientific breakthrough by a start-up, Odontis Ltd, formed by King's College, London. An investment of £400,000 from NESTA (the National Endowment for Science, Technology and the Arts) - the organisation that nurtures UK creativity and innovation and the... view more... (2004-04-30)
Nanospheres that block pain of sensitive teeth
Nanospheres could help dentists fill the tiny holes in our teeth that make them incredibly sensitive, and that cause severe pain for millions of adults and children worldwide. view more (2005-09-02)
How to manage erosion caused by everyday beverages
Researchers have warned people to beware of the damage that acidic beverages have on teeth. Yet, for some, the damage and problems associated with drinking sodas, citric juices or certain tea may have already begun to take effect. view more (2009-07-20)
Researchers give name to ancient mystery creature
For the first time, researchers at the University of Alberta in Edmonton, Canada have been able to put a name and a description to an ancient mammal that still defies classification. view more (2006-10-18)
'Meth mouth' can leave users toothless
Methamphetamine is a powerfully addictive drug that can seriously damage oral health, destroying a person's smile and natural ability to chew, according to the American Dental Association (ADA). view more (2006-09-22)
Medications and cough syrups may cause cavities
A spoon full of sugar may help the medicine go down, but most dentists would likely encourage parents to skip that step when treating a child's illness. view more (2006-01-10)
Experts bristle at toothbrush misuse
People who brush their teeth for longer and harder than is necessary may not be making them any cleaner, and could be causing permanent damage, according to new research. A study using electric toothbrushes by the University of Newcastle upon Tyne, UK, found that when researchers increased the length of people's brushing regime and the pressure... view more... (2003-06-17)
Effective relief for sensitive teeth
Those who have over-sensitive necks of teeth will know the stabbing pain encountered when eating a cold ice-cream or a pickled gherkin. Special toothpastes or mouthrinses containing fluorides bring relief. Scientists are investigating what causes them to be effective and how. "Ouch", groans the nice young lady on the TV commercial, pulling a face.... view more... (2002-03-06)
Dental implants preferred option for aging bridges
Aging dental bridges are a maintenance headache and a recipe for oral-health disaster. They are difficult to floss, often decay, and require replacement with longer bridges. According to the American Academy of Implant Dentistry (AAID), these bridges to nowhere should be replaced with permanent dental implants. view more (2008-05-30)
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