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Tongue studs can cause dental divide
U. BUFFALO (US)—Tiny barbell-shaped tongue studs can create a small space in the teeth that can cost thousands of dollars of orthodontic bills to correct, according to a new study.“It is a basic tenet...
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Gum disease may increase Alzheimer’s risk
NYU (US)—Periodontal (gum) disease may increase the risk of cognitive dysfunction associated with Alzheimer’s disease in healthy individuals as well as in those who already are cognitively...
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Teeth should be thankful for cranberry
U. ROCHESTER (US) — You won’t be the only one feasting this Thanksgiving. Harmful bacteria await their own holiday meal, launching one of the biggest assaults of the year on your teeth.Thankfully, a...
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Pool water may strip tooth enamel
NYU (US) — Taking a dip in the backyard pool may cause permanent damage to teeth if chlorine and pH levels are not properly maintained.“Improperly maintained pool chlorination in swimming pools can...
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Dental work without the ouch (really!)
U. LEEDS (UK) — A peptide solution that is painted on teeth takes the pain out of fighting dental decay by helping damaged teeth regenerate themselves.Tooth decay begins when acid produced by bacteria...
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All-over pains predict jaw disorders
U. BUFFALO (US) — People who develop jaw problems known as TMD exhibit specific traits, including more trauma to the jaw, more limitations and noises in the jaw, more headaches, and generally worse...
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Dentists could screen 20 million for disease
NYU (US) — Dentists could play a crucial role in the front-line defense against disease, according to a study that finds nearly 20 million Americans visit a dentist every year, but not a general...
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Plasma brush: Pain-free fix for cavities
U. MISSOURI (US) — Researchers are one step closer to a painless way to replace fillings.After favorable results in the lab, human clinical trials are under way on the “plasma brush.”
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Use gum cells to grow ‘bioteeth’?
KING’S COLLEGE LONDON (UK) — Scientists say it may one day be possible to replace missing teeth with new bioengineered teeth generated from a person’s own gum cells.Current implant-based methods of...
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Is mercury in the body from fillings or fish?
U. MICHIGAN (US) — Tests for mercury exposure from dental amalgam fillings may significantly overestimate the amount of toxic metal they release.Scientists agree that dental amalgam fillings slowly...
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Nasal spray vs. needles at the dentist office
U. BUFFALO (US) — Spraying anesthesia into the nose instead of using a needle to inject it into the mouth could make the trip to the dentist’s office a little less painful. A recent study published in...
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Who should get antibiotics before the dentist?
As fewer people in the UK get preventative antibiotics for trips to the dentist, scientists are seeing a significant rise in the number of people diagnosed with a serious heart infection. A new study...
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Beaver teeth aren’t pretty, but they’re tough
Even though beavers don’t brush their teeth or drink fluoridated water, they’ve got built-in protection against tooth decay: iron. A new study finds that this pigmented enamel is both harder and more...
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Should dentists test patients for diabetes?
Of the 29.1 million Americans living with diabetes, an estimated 8.1 million are undiagnosed. New research suggests a trip to the dentist could be an effective way to identify people who might diabetes...
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Nanoparticles let plaque-fighter stick to teeth
Saliva and swallowing often remove therapeutic agents intended to reduce dental plaque and prevent tooth decay. A new method, however, could keep the drugs from being washed away. Dental plaque is made...
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Could scientists re-grow teeth in the lab?
Rodent incensors never stop growing. That’s one of the reasons why mice gnaw through cupboards, hamsters chomp cage bars, and rats will chew through just about anything. They need to wear down those...
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This common amino acid may protect your teeth
A common amino acid found naturally in foods, breaks down dental plaque, which means it could potentially help millions of people avoid cavities and gum disease. L-arginine—found in red meat, poultry,...
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California ended Medicaid for dental care: Big mistake?
Dropping Medicaid coverage for dental visits may actually cost states more money than keeping it. California ended adult dental coverage under Medicaid in mid-2009, a move that resulted in a loss of...
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Could humans regrow teeth? These fish say ‘maybe’
Working with hundreds of Lake Malawi cichlids, researchers are beginning to understanding how the animals maintain their hundreds of teeth throughout their adult lives. By studying how structures in...
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Breast cancer risk linked to gum disease
Women who report having periodontal disease are at greater risk for breast cancer, especially if they smoke or recently quit smoking, a new study reports. “We have seen associations between periodontal...
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