Dental Tribune America
Hydrogel could restore damaged vocal cords

August 24, 2012

PHILADELPHIA, Pa., USA: A new biomaterial could help patients with damaged voices speak and sing again by restoring the flexibility of their vocal cords. According to the researchers, lost flexibility, owing to the effects of aging or disease, is a major factor of voice loss, which affects 18 million people in the U.S. alone.

Midlevel providers: Risky business or access-to-care cure?

August 22, 2012

NEW YORK, N.Y., USA: A focus on midlevel dental providers as a core response to dental-care access challenges might be better directed elsewhere because the business models in play aren’t sustainable. That’s what the American Dental Association is saying based on a consulting company’s examination of three midlevel workforce models under consideration in five states.

New biometric capsules may help treat periodontal disease

August 22, 2012

PHILADELPHIA, Pa., USA: Researchers have designed controlled-release capsules that can be injected between the gums and the teeth, where bacteria breed and inflammation occurs. The capsules contain a protein that was found to reduce inflammation symptoms significantly and induce regrowth of gum tissue in initial laboratory tests with mice.

Study links dental problems to lower grades at school

August 20, 2012

LOS ANGELES, Calif., USA: Researchers have discovered that oral health may significantly affect the academic performance of socio-economically disadvantaged boys and girls. They studied 1,495 elementary and high school children and found that those who reported dental problems were more likely to have lower grades and missed school more often because they had limited access to dental care.

Disinfectant in toothpaste may impair muscle function

August 17, 2012

DAVIS, Ca., USA: Researchers have found that triclosan, an antimicrobial agent widely used in oral care products such as toothpaste and mouthwash, impairs muscle contraction at a cellular level. In tests on animals, they evaluated the effects of the chemical on muscle activity, using doses similar to those that people and animals may be exposed to in everyday life and discovered that it significantly slowed swimming in fish and reduced muscular strength in mice.

Salivary glands project offers hope for head and neck cancer patients

August 16, 2012

HOUSTON, Texas/NEWARK & WILMINGTON, Del., USA: Scientists in the U.S. have started a four-year program with the aim of regenerating artificial salivary glands from patients' own cells. As few researchers have applied tissue-engineering strategies in the past, they hope that their current work will lead to new solutions for cancer patients suffering from dry mouth as a consequence of radiation therapy.

Smiling may reduce stress and help heart health

August 15, 2012

LAWRENCE, Kan., USA: Scientists have found that different types of smiling positively affect an individual's ability to recover from episodes of stress. They investigated whether manipulation of facial expressions would influence cardiovascular and affective responses to stress and found that study participants who were instructed to smile had lower heart-rate levels after recovery from stressful activities than participants who adopted neutral facial expressions, even if participants were not aware of their smile.

Woman runs dental practice without license in her trailer

August 14, 2012

NORCROSS, Ga., USA: According to a report from the Gwinnett County Police Department, a 37-year-old woman, who used to be a dental assistant, has been charged for practicing dentistry without a license out of her trailer. On inspecting the case, police officers found a fully equipped dental office in the woman's mobile home.

Woman accidentally swallows knife

August 13, 2012

ATLANTA, Ga., USA: Recently, a young woman was taken to a U.S. emergency department where doctors had to remove a butter knife from her esophagus. The woman claimed that she had swallowed the knife by accident when dining with friends.

Study questions preventive dental visit intervals

August 10, 2012

ANN ARBOR, Mich., USA: Adults are usually advised to visit the dentist every six months for examination or cleaning. A new study, however, suggests that there is no significant difference between one and two preventive dental visits per year in large parts of the population. The researchers therefore recommend a movement towards more personalized preventive management.

Dentist accused of sexual harassment and watching porn during procedures

August 9, 2012

WICHITA, Kan., USA: Two female dental assistants have filed a lawsuit at the U.S. District Court of Kansas against a pediatric dentist for sexual discrimination and harassment. They claim that during their employment at his office the dentist regularly engaged in intentional sexual discrimination and watched pornographic videos in front of partially sedated child patients.

BIOLASE to distribute 3Shape TRIOS intraoral scanner

August 8, 2012

IRVINE, Calif., USA: Last week, dental laser enterprise BIOLASE announced that it had signed an agreement with dental scanner and software developer 3Shape. BIOLASE will be distributing the Danish company's TRIOS intraoral scanning technologies for digital impression-taking solutions to dental professionals in the U.S. and Canada.

Study links intellectual disabilities to high burden of dental disease

August 6, 2012

BOSTON, Mass., USA: In a study of 4,732 adults with intellectual and developmental disabilities (IDDs), researchers have found that people with such disorders are more likely to have poor oral hygiene, periodontal disease and untreated dental caries than members of the general population. Owing to behavioral difficulties associated with IDDs, the researchers believe that treatment may be deferred more often, which makes people with IDDs probably more prone to dental diseases.

Stem cell therapy holds potential for craniofacial reconstruction

August 3, 2012

ANN ARBOR, Mich., USA: In a pioneering study, researchers have discovered that using stem cell therapy to regenerate craniofacial bone tissue proved to be quicker, more effective and less invasive than traditional regeneration therapies. They believe that transplantation of stem cells could offer new treatment options for complex oral and facial deformities resulting from trauma, disease or birth defects.

Aspirin may prevent throat cancer

July 31, 2012

BOSTON, Mass., USA: U.S. researchers have found evidence that taking anti-inflammatory drugs and aspirin in particular reduces the risk of Barrett's esophagus (BE), a medical condition that is the largest known risk factor for esophageal cancer. In a recently published study, they found that aspirin users were 44 percent less likely to have BE compared with nonusers.

Boys more prone to neurobehavioral effects of mercury

July 30, 2012

SEATTLE, Wash., USA: According to the World Health Organization, neurological and behavioral disorders may be observed after inhalation or ingestion of different mercury compounds. Researchers have now suggested that children and boys in particular are susceptible to the effects of mercury from dental amalgam fillings owing to their genetic predisposition.

Fluoride thought to cause lower IQ in children

July 26, 2012

CAMBRIDGE, Mass., USA: Following a systematic analysis of 27 eligible studies published over 22 years, U.S. researchers have found an inverse association between increased fluoride exposure in drinking water and neurodevelopmental delays. They suggest that children living in high fluoride areas have significantly lower IQ scores compared with those in low fluoride areas.

Energy discounts and wind power available to ADA members

July 24, 2012

CHICAGO, Ill., USA: The American Dental Association has recently announced that its members can now receive discounts on electric utilities for their practices and homes when registering with energy supplier Energy Plus. In addition, they can choose to add a green option to support renewable energy.

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