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Florida researchers eye link between oral bacteria, periodontitis, HIV
University of Florida    Share   Share on FacebookTwitterShare on LinkedinE-mail article
Oral disease occurs commonly and progresses rapidly among people who have HIV, but the process is poorly understood. Researchers suspect that the culprit is a change in the makeup of bacterial communities that live in the mouth. Through a one-year grant of almost $330,000 from the National Institutes of Health, researchers at the University of Florida are trying to find out the role of various pathogens in the progression of oral disease among people infected with HIV. "The hypothesis is that suppression of the immune system by HIV contributes to changes in the oral biota, which then contributes to oral disease," said Dr. Gary Wang, an assistant professor of infectious diseases in the UF College of Medicine and principal investigator of the study. More



Studies show gum disease related to cancer, heart disease
EIN News    Share    Share on FacebookTwitterShare on LinkedinE-mail article
It is now clear that gum disease should be added to the list of factors that increase your risk of cancer and heart disease. Dental patients with moderate forms of gum disease have an overall 14 percent increased risk of developing cancer according to a recent British-American report. "People who have been avoiding going to the dentist may want to give their avoidance a second thought," wrote Dr. Allan Melnick. It isn't a surprise that most people don't like going to the dentist. In fact only about 40 percent of Americans see their dentist each year. That could be a big mistake. According to a recent research report in the highly respected journal Lancet Oncology, cancer risk increases when gum disease is present. In addition, when gum disease is present, the risk of heart disease, diabetes, liver disease and blood diseases also are increased. With the latest findings there is now evidence to add the risk of cancer to the list of gum disease-related illnesses. More

Jewelry a health hazard even under gloves
DrBicuspid.com    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Wearing jewelry under gloves should be prohibited by all dental practices because of risks of tearing, leakage and microbial cross-contamination, according to research presented at the International Association for Dental Research meeting. While the Centers for Disease Control and Prevention and the World Health Organization only "recommend" that rings be removed under gloves because of the risk of cross-contamination between health care workers and patients, the Environmental Protection Agency, U.S. Food and Drug Administration, and the Occupational Safety and Health Administration mandate ring removal, noted the researchers, all from the University of Louisville. (May require free registration to view article.) More

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Common antibiotic found to help reduce risk of cardiovascular disease
HealthCanal.com    Share    Share on FacebookTwitterShare on LinkedinE-mail article
An inexpensive drug used to treat periodontitis could reduce the risk of cardiovascular disease in post-menopausal women. New research recently released by the University of Nebraska Medical Center College of Dentistry has found that low doses of doxycycline reduces systemic inflammation in post-menopausal women. The research was published as the cover story of the March issue of the Journal of the American Dental Association. The study, led by Dr. Jeffrey Payne, associate dean for research at the UNMC College of Dentistry and co-investigator Dr. Lorne Golub, a professor in the department of oral biology and pathology at the Stony Brook University School of Dental Medicine in New York, also found that HDL levels, or good cholesterol, rose in women who were more than five years post-menopausal. More

Primary care enters dentist's office
Medscape    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Dentists always have cared for more than their patients' teeth, but only in recent decades have researchers begun to establish the effectiveness of doing procedures in a dental office that have traditionally been limited to medical clinics. A presentation focusing on primary care in dentistry was featured at the American Dental Education Association 2011 Annual Meeting, held March 11-16. Medscape Medical News interviewed presenter Ira B. Lamster, DDS, MMSc, dean of the Columbia University College of Dental Medicine, New York City. (May require free registration to view article.) More
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Dentists vary widely in treating periodontal disease
Medscape    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Dentists might be inconsistent in their treatment of periodontal disease, according to researchers at the International Association of Dental Research 89th General Session and Exhibition of the IADR. "There is a problem if we are not making these decisions based on research," Dr. Aaron Rosen, the principal investigator of a survey looking at the issue, told Medscape Medical News. Rosen practices in Rochester, N.Y. He presented the findings of a survey of 132 dentists participating in Practitioners Engaged in Applied Research and Learning, a network of practicing dentists organized by New York University with the help of EMMES, a study-monitoring company in Bethesda, Md. The responding dentists had been in practice for a median of 23 years. (May require free registration to view article.) More

Streptococcus enzyme could compete with toothbrushes, dental floss
ScienceDaily    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Investigators from Japan show in vitro that the bacterium Streptococcus salivarius, a non-biofilm forming, and otherwise harmless inhabitant of the human mouth, actually inhibits the formation of dental biofilms, otherwise known as plaque. Two enzymes this bacteria produces are responsible for this inhibition. The research is published in the March 2011 issue of the journal Applied and Environmental Microbiology. "FruA may be useful for prevention of dental caries," corresponding author Hidenobu Senpuku, of the National Institute of Infectious Diseases, Tokyo says of one of the enzymes. "The activity of the inhibitors was elevated in the presence of sucrose, and the inhibitory effects were dependent on the sucrose concentration in the biofilm formation assay medium," the researchers write. More

Japan disaster partially affects dental production, leaves others unharmed
Dental Tribune International    Share    Share on FacebookTwitterShare on LinkedinE-mail article
After the massive earthquake and the ensuing tsunami, which so far lead to the death of more than 4,000 people, dental companies in Japan now have to deal with consequences of the disaster. In a recent statement, dental equipment manufacturer NSK Nakanishi reported the complete evacuation of their plant in Kirihara, Fujisawa-City, 60 kilometers south of the capital Tokyo. Partial production stoppage also was reported in other plants around the country probably due to shortage of power. According to NSK, a worker died after the evacuation but it remains unclear whether the casualty is related to the effects of the disaster. More



Rob Mandelbaum: Why the new 1099 rules aren't that bad for small businesses
The New York Times    Share    Share on FacebookTwitterShare on LinkedinE-mail article
There may be nobody in Washington who has anything good to say — publicly, at least — about the expanded 1099 reporting requirements that became law with the health care overhaul. Republicans and Democrats all want to repeal it. President Barack Obama, in his State of the Union speech, described the provision as an "unnecessary bookkeeping burden." But now that Congress must reconcile two very different approaches to striking the provision, it may be a good time to risk pillory and wonder if perhaps the new law's supposed crippling effects on small business are exaggerated. More

Florida House subcommittee OKs bill ending fee restriction on non-insured dentistry
WCTV-TV    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Dentists say they are getting squeezed. Insurance companies say they are helping hold down costs for patients. But a dispute about discounted rates for some dental care has turned into a legislative fight between the Florida Dental Association and major players in the health-insurance industry. The dispute centers on patients who hit the coverage limits of their dental-insurance policies but need additional care. Dentists contend that insurers are effectively forcing them to charge discounted rates for the additional care, even though patients — and not the insurers — are picking up the tab. A House subcommittee approved a bill that would bar insurance contracts from requiring dentists to charge fees set by insurers for such "non-covered" services. A Senate committee had approved a similar measure. More

Doctors try new models to push health insurers aside
The Washington Post    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Just about everyone agrees that the way we pay for primary care needs fixing. Under the current insurance model, doctors get paid for procedures and tests rather than for time spent with patients, which displeases doctors and patients alike and increases costs. Now some medical practices are sidelining health insurers entirely, instead charging patients a moderate membership fee each month. The approach gets a nod in the health care overhaul law. But not everyone agrees it's the right way to go. More

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Study: Even 'BPA-free' plastics leach endrocrine-disrupting chemicals
Time    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Plastics. They seem so... inert. Slow to erode or decay, with a biodegradation time measured in the hundreds of years, plastics appear cut off from the organic environment in the way that no other product is, safe and secure and sterile. Yet scientists have begun to learn that plastics are anything but impermeable. Plastic containers and linings — especially those used in food containers that might end up being heated or washed — often leach chemicals into the surrounding environment. And some of those chemicals — like bisphenol-A and phthalates — may do strange things to the body, mimicking and disrupting hormones in ways that haven't yet been fully understood. More

Top complaint about patients: Failure to follow medical advice
American Medical News    Share    Share on FacebookTwitterShare on LinkedinE-mail article
In 28 years of practicing medicine, Tennessee internist Dr. J. Fred Ralston Jr. has seen his share of patients who won't take their medication. The problem can be frustrating but can be used to understand patients better, said Ralston, president of the American College of Physicians. "I pretty much demand that they bring in their [medication] bottles," he said. "I need them to be honest. Are they forgetting, or do I need to make a stronger case of why they should be taking it? Do we need to change their medicine?" A survey in the February issue of Consumer Reports found that noncompliance with medical advice and treatment recommendations was doctors' top complaint about patients. More

Clinician judgment critical when using CBCT for implants
DrBicuspid.com    Share    Share on FacebookTwitterShare on LinkedinE-mail article
Dentists need to rely on their experience and clinical judgment to correctly use cone-beam CT for pre- and post-implant assessment, according to a review in the current Dental Clinics of North America. Various imaging modalities are available for implant assessment, including intraoral radiography, panoramic radiography, CT and cone-beam CT, noted lead author Dr. Christos Angelopoulos, director of the division of oral and maxillofacial radiography at the Columbia University College of Dental Medicine. However, specific criteria for implant-sites assessment have not yet been developed. (May require free registration to view article.) More

Kara McGuire: Tooth Fairy says the economy is improving
Star-Tribune    Share    Share on FacebookTwitterShare on LinkedinE-mail article
The Tooth Fairy who visits my house generally brings a $1 coin. But new research shows she's kind of cheap. According to Delta Dental of Minnesota's annual Tooth Fairy poll, Minnesota children receive an average of $2.01 per tooth — a very slight increase over last year. Nationally, children receive an average of $2.52, an increase of 18 percent over the $2.13 given out in 2010. You can learn more than you ever wanted to know about Tooth Fairy economics at theofficialtoothfairypoll.com, a website dedicated to the topic. More


This Week in Perio
NOTE: The articles that appear in This Week in Perio are chosen from a variety of sources to reflect media coverage of the periodontal and oral health industries. An article's inclusion in This Week in Perio does not imply that the American Academy of Periodontology endorses, supports, or verifies its contents or expressed opinions. Factual errors are the responsibility of the listed publication. In addition, inclusion of advertising in this publication does not constitute or imply endorsement, agreement, recommendation, or favoring by AAP of such information or the entities mentioned or promoted herein.

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