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ADAA 24/7
Dec. 15, 2009
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Study: Surgical masks nearly as effective as N95 respirators
American Dental Association    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Surgical masks appear to be nearly as effective as N95 respirators in preventing influenza in health care workers, according to a study published recently in JAMA. A research team led by Mark Loeb, MD, MSc, professor at McMaster University, Hamilton, Ontario, Canada, conducted a randomized controlled trial of 446 nurses in eight Ontario hospitals to compare the surgical mask with the N95 respirator in protecting health care workers against influenza. Nurses were randomly assigned to two groups: 225 received surgical masks and 221 received the fitted N95 respirator. The nurses were to wear the masks or respirators when caring for patients with febrile respiratory illness. More

Dental care trends for 2010    Share    Share on FacebookTwitterShare on LinkedinE-mail article
The world of dental care is evolving, as certain procedures now involve less discomfort and others have been replaced with better alternatives. The Consumer Guide to Dentistry recently released its top dental trends for 2010, and implants are high on the list. Dental implants are an alternative to crowns and bridges for individuals who need replacement teeth, according to the American Dental Association. More

Common gum disease vaccine nears
The Sydney Morning Herald    Share    Share on FacebookTwitterShare on LinkedinE-mail article
A vaccine that protects against a common but serious gum disease is in the advanced stages of development, says Australia's CSL Ltd. Up to 30 per cent of Australian adults suffer from periodontitis which causes oral health problems but scientists have also linked it to a heightened risk of heart disease, dementia and cancer. More

Web site reveals what your mouth says about you
RDH Magazine    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Your Spitting Image, a new educational Web site from the National Museum of Dentistry, reveals what your mouth says about you. Find out how forensic dentists use dental records and DNA analysis to solve real missing person cases, discover the telling secrets revealed by saliva, and find out how the mouth is a window to health for the human body. More


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Study shows nearly one-third of human genome is involved in gingivitis
Science Daily    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Gingivitis, which may affect more than one-half of the U.S. adult population, is a condition commonly attributed to lapses in simple oral hygiene habits. However, a new study shows that development and reversal of gingivitis at the molecular level is apparently much more complicated than its causes might indicate. Researchers found that more than 9,000 genes — nearly 30 percent of the genes found in the human body — are expressed differently during the onset and healing process associated with gingivitis. More

Red wine or white? Which makes teeth a fright?
MSNBC    Share    Share on FacebookTwitterShare on LinkedinE-mail article
A new study indicates you might want to decide when you'd rather have stained teeth. Now — or later? "Red wine is an amazing staining material, but white wine makes the teeth more susceptible to staining," says Dr. Mark Wolff, a professor at the New York University College of Dentistry. More

Study: Older dental fillings contain form of mercury unlikely to be toxic
Science Daily    Share    Share on FacebookTwitterShare on LinkedinE-mail article
A new study on the surface chemistry of silver-colored, mercury-based dental fillings suggests that the surface forms of mercury may be less toxic than previously thought. In the study, researchers note that mercury-based fillings, also called amalgams, have been used by dentists to repair teeth for well-over a century. In recent decades their use has become controversial because of concerns about exposure to potentially toxic mercury. However, mercury can potentially exist in several different chemical forms, each with a different toxicity. More

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