Tag: "dental" at biology news

Inflammation may cause preterm labor and fetal deaths

...long with Hongqi Lui from the Case Western Reserve dental school and Raymond Redline from the Case medical school report results from their investigation, TLR4 promotes F. nucleatum-induced fetal death in mice, in the Journal of Immunology. New findings from the mouse study holds potential to develop ways...

Cell damage caused by brushing may help keep gums healthy

...esearch team, which also includes Dr. Kaori Amano, dental researcher, Kyorin University of Medicine in Japan, and Dr. James L. Borke, MCG physiologist, injected a fluorescent dye into the blood stream that can only get into torn cells. They then brushed the teeth, gums and tongue of rats with a modified el...

Probing biology's dark matter

... specifically implicated in promoting gum disease, dental cavities, and bad breath, but for the most part, the make-up of this complex ecosystem and its impact on human health remain largely unexplored. A new device created by Howard Hughes Medical Institute (HHMI) researchers, however, may make some of the...

Researchers use adult stem cells to create soft tissue

... Jeremy Mao, D.D.S., Ph.D., associate professor of dental medicine, aims to create long-lasting soft tissue implants from mesenchymal stem cells harvested from the patients own bone marrow or adipose tissue. Mesenchymal stem cells can differentiate into bone, fat, cartilage and other types of cells. Our r...

Bisphosphonate treatment is associated with jaw bone problems

... with metastatic cancerexperience more episodes of dental infection and therefore require more oral surgical procedures" the authors write....

New nanocomposites may mean more durable tooth fillings

...illing binds to the tooth. Fully 70 percent of all dental procedures involve replacements to existing repairs, at a cost of $5 billion per year in the United States alone. Now, however, scientists at the American Dental Associations Paffenbarger Research Center, a joint research program at the National In...

Scientists decode genome of oral pathogen

...of microorganisms responsible for the formation of dental plaque. In general, S. sanguinis is harmless. Howe...such as heart attack and stroke. Typically, before dental surgery, such patients are given high dose antibiotics to prevent infection. Decoding S. sanguini...

NYUCD study links tooth decay and gum infections to ethnicity and country of origin

... disease, while Hispanics were more likely to have dental caries. "These differences," Dr. Cruz said, "are deeply rooted in an immigrants country of origin, where early cultural influences can set the stage for oral health problems later in life. "For example, some ethnic groups may be more prone to t...

'Ancestral eve' was mother of all tooth decay

... Streptoccocus mutans, a bacterium associated with dental caries, has evolved along with its human hosts in a clear line that can be traced back to a single common ancestor who lived in Africa between 100,000 and 200,000 years ago. S. mutans is transmitted from mothers to infants, and first appears in a...

Bacteria from patient's dental plaque causes ventilator-associated pneumonia

...l. Ironically, it turns out that the patients own dental plaque is a major source of germs that cause venti...Medicine show that the same bacteria identified in dental plaque of patients when they were admitted to the ICU and placed on ventilators were found later in ...

University of Minnesota's 6th annual Design of Medical Devices Conference to be held April 17-19

...l electronics, surgical robotics, medical imaging, dental devices and cardiovascular engineering. Conference attendees will also be able to observe a surgery that will be broadcast live via videoconference from the University of Minnesota Medical Center Fairview. There will also be a scientific poster sessi...

Root beer may be 'safest' soft drink for teeth

...ft drinks, even for a short period of time, causes dental erosionand prolonged exposure can lead to signific...phosphoric acid and/or citric acid and still cause dental erosionthough considerably less than their sugared counterparts. "Drinking any type of soft drink...

How long is a child a child?

...the first non-destructive approach to characterize dental development with a high degree of precision, as sy... to determine if the modern condition of prolonged dental development was present. The results suggest that the Moroccan child, at almost 8 years of age, is c...

Plastics in common household items may cause fertility defects

...many plastics found in food storage containers and dental productscan have long-term effects in female development, according to a recent study by Yale School of Medicine researchers. Lead investigator Hugh S. Taylor, M.D., associate professor in the Department of Obstetrics, Gynecology & Reproductive Sci...

Tips from the Journals of the American Society for Microbiology

...istinguish bacterial populations that cause severe dental decay in children and be used as a basis for inter... because nearly half of the bacteria in saliva and dental plaque are not cultivable. In the study researchers collected plaque samples from twenty children...

USC-led researchers use stem cells to regenerate parts of teeth

... at the National Institutes of Health had utilized dental pulp stem cells. Shi found the new technique to b...ithin the next several years, a potential boon for dental patients who are not appropriate candidates for dental implant therapy or would prefer living tissue...

USC-led researchers use stem cells to regenerate parts of teeth

... at the National Institutes of Health had utilized dental pulp stem cells. Shi found the new technique to b...ithin the next several years, a potential boon for dental patients who are not appropriate candidates for dental implant therapy or would prefer living tissue...

Dental crowns reveal the diet of a species

...lished in Nature. The size, number, occlusion and dental crown cusps of carnivores and rodents, such as cat...pportunities for studying the relationship between dental shapes and developmental biology....

A buffet for early human relatives

... previous way to sample tooth enamel was to take a dental drill with a diamond-impregnated bit and basically grind away at the tooth, collect the powder and then analyze that," Passey says. In the past decade, researchers including Cerling have used "laser ablation" to remove and analyze tooth enamel sam...

Fossil is missing link in elephant lineage

...m Eritrea is important because it shows aspects of dental anatomy in common with the advanced group, including molars with more cusps and complex crowns and the delayed maturation and emergence of molars," said Sanders, an assistant research scientist in the U-M Museum of Paleontology. But the creature that...

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