teeth

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How Birds Stopped Growing Teeth

Genetic mutations point to common toothless ancestor

(Newser) - Friday was a big day for bird lovers: Twenty-three new papers revealed all kinds of scientific information about the animals, ranging from how they learn to sing to how they got their feathers, Australia's ABC reports. Among the reports was one looking into how the creatures lost their teeth....

Study: Whales grew huge after super-sized shark went extinct
Whales Got So Big After Super-Sized Shark Died Out
new study
Oct 24, 2014 10:25 AM CDT

Whales Got So Big After Super-Sized Shark Died Out

Megalodon died out 2.6M years ago, scientists estimate

(Newser) - Great white sharks have nothing on the ancient megalodon, which grew up to 50 feet in length and sported teeth as long as 7 inches. And now scientists have their firmest timeframe yet for when the creature went extinct. Scientists at the University of Florida in Gainesville report this week...

Fisherman's Catch Has 'Human Teeth'

Experts say it's probably some kind of piranha

(Newser) - A fisherman in Russia has come upon a scary-sounding creature: a fish with teeth that look like our own, UPI reports. "I opened its mouth and was horrified to see human-like teeth in there," Alexander Korobov says. He caught the fish in the city of Arkhangelsk and took...

Study: Exercise Can Be Bad for Your Teeth

At least, if you're a 'hard-core' exerciser

(Newser) - Exercise does a body good, or most of a body, according to a new study. German dental researchers set out to explore the impact of endurance training on oral health, and what they found might be bad news for the "hard-core." A group of 70 participants—half triathletes,...

Jesus Statue Has Actual Human Teeth

Mexican restorer says it 'seems mad,' but it's real

(Newser) - A 300-year-old statue of Jesus seems ordinary except for one little thing: It has real human teeth, LiveScience reports. "We said 'Ah, it's not possible!'" says Fanny Unikel Santoncini, who was restoring the statue from a small-town parish in Mexico. But her anthropologist spotted the...

232 Teeth Removed From Boy&#39;s Head
 232 Teeth 
 Removed From 
 Boy's Head 
IN CASE YOU MISSED IT
Jul 27, 2014 5:44 PM CDT

232 Teeth Removed From Boy's Head

Doctors to submit tooth count to Guinness Book of World Records

(Newser) - When doctors in India opened up a tumor in a teenager’s lower jaw on Monday, something unexpected happened. "Little pearl-like teeth started coming out, one by one. Initially, we were collecting them, they were really like small white pearls. But then we started to get tired. We counted...

Who Needs Dentists? Early Humans Ate This Weed

Ancients who snacked on purple nut sedge had few cavities

(Newser) - The purple nut sedge, or nut grass, is generally considered a nasty, fast-spreading, and hard-to-kill nuisance weed today. But for our ancestors, it not only served as a nutritious meal, it cleaned their teeth, according to a new study on PLoS ONE . An analysis of hardened bits of plaque from...

Stealth Carbs in Paleo Diet Rotted Ancients' Mouths

Acorns, pine nuts caused pus-filled gums, rotted teeth in Morocco

(Newser) - Ancient hunter-gatherers tended to have fine sets of teeth—at least, serious tooth decay was rare since people mainly munched on meat, tubers, and berries, and laid off the carbs, NPR reports. That's why a study from London's Natural History Museum is surprising—and pretty disgusting. Of the...

Tooth Fairy Paying a Lot More This Year

$3.70 per tooth; that's a 23% jump over 2012

(Newser) - The days of finding a quarter under your pillow are long gone: The Tooth Fairy no longer leaves loose change. Kids this year are getting an average of $3.70 per lost tooth, a 23% jump over last year's rate of $3 a tooth, according to a new survey...

Study: Teeth Can Be Made From Urine

Chinese scientists managed to grow teeth-like structures

(Newser) - It's a scientific feat equal parts fascinating and stomach-turning: Scientists have been able to grow "rudimentary teeth" from urine, reports the BBC . Suspend your disbelief, and read on: The Chinese team's process, as outlined in Cell Regeneration Journal, had researchers harvest cells from urine and then convert...

Soda as Bad for Your Teeth as Meth

 Soda as Bad for 
 Your Teeth as Meth 
STUDY SAYS
May 30, 2013 8:23 AM CDT

Soda as Bad for Your Teeth as Meth

Study found "almost identical" tooth damage in one case

(Newser) - A severe soda addiction can be as terrible for your teeth as a meth or crack habit, according to a case study in General Dentistry spotted by NPR . Study author Mohamed Bassiouny says he noticed the frightening similarities during his 20 years treating dental patients at Philadelphia and Appalachia clinics....

What We Learned From an Iceman's Terrible Teeth

Ötzi suffered from cavities, gum disease, and a cracked molar

(Newser) - Cavities are far from a modern woe, reveals a new study of a 5,300-year-old "ice mummy." "Ötzi" didn't just have the bad luck of dying on a glacier, he also suffered from terrible teeth, reports Science . Though his remains were discovered on the Austro-Italian...

Coming Soon: Replacement Tooth Enamel
 Coming Soon: 
 Replacement 
 Tooth Enamel 
in case you missed it
Sep 22, 2012 8:04 AM CDT

Coming Soon: Replacement Tooth Enamel

Ultra-thin coating in the works in Japan

(Newser) - Sensitive teeth may soon be a thing of the past. Scientists in Japan have created a super-thin film they hope will be able to cover our teeth, reports the AFP . It's made from hydroxyapatite, a key mineral in tooth enamel. "Dentists used to think an all-apatite sheet was...

Lawsuit: 11 Years in Braces Rotted Guy's Teeth

Now Devin Bost suing orthodontist for $185K

(Newser) - If you thought the couple years you spent in braces were bad, get a load of this: Devin Bost says he was in braces from age 7 to age 18—and that the 11 years he spent wearing them left many of his teeth rotten. Now Bost, 22, is suing...

To Fend Off Dementia, Brush Your Teeth

 To Fend Off Dementia, 
 Brush Your Teeth 
study says
Aug 21, 2012 9:12 AM CDT

To Fend Off Dementia, Brush Your Teeth

New study finds link between dental health, dementia

(Newser) - Brushing your teeth at least once a day is a good idea for many reasons, but a new study reveals one that you may not have guessed: Regular brushing may shrink your risk of developing dementia, Reuters reports. Researchers followed thousands of elderly people for 18 years, and found that...

5 Body Parts We Really Don't Need

Wisdom teeth, tailbones, and male nipples top the list

(Newser) - With so many body parts, can we expect them all to be useful? LiveScience lists those that do bugger-all, like wisdom teeth and body hair. To wit:
  • Wisdom teeth: Our jaws have gotten smaller, so wisdom teeth can't fit anymore. Plus dental hygiene keeps our teeth from falling out
...

New Molecule Can Cavity-Proof Your Teeth
New Molecule Can
Cavity-Proof Your Teeth
study says
Jul 9, 2012 1:13 PM CDT

New Molecule Can Cavity-Proof Your Teeth

Researchers hope to add it to toothpaste, mouthwash

(Newser) - Say goodbye to cavities: Two researchers have discovered a new molecule that can kill cavity-producing bacteria and even make your teeth cavity-proof for hours, just by staying in your mouth for a full minute. The scientists named the molecule Keep 32, after the 32 teeth humans have, and they say...

Ancient Relatives of Humans Ate Wood

Scientists analyzed dental tartar in fossils

(Newser) - Did our ancestors eat trees? New fossil evidence shows that a 2 million-year-old relative of humans nibbled on bark and leaves, reports BBC . Scientists analyzed the teeth of two members of the "southern ape" species, or Australopithecus sediba, and found evidence that they included wood in their diet.

'Vengeful Dentist' Story a Hoax

Looks like a Polish woman didn't rip out her ex-boyfriend's teeth...

(Newser) - If it sounds too good (or insane) to be true, more proof that it probably is. MSNBC reports that the wildly popular story of the Polish dentist who tore out her ex-boyfriend's teeth is a hoax. Though the story was replete with names (Anna Mackowiak and Marek Olszewski, respectively)...

Dentist Pulls Out Ex-Boyfriend's Teeth

Anna Mackowiak: 'I tried to ... detach myself from my emotions'

(Newser) - Talk about a nasty breakup: Polish authorities are investigating a dentist for allegedly pulling out all of her ex-boyfriend's teeth during a dental visit, the Daily Mail reports. Anna Mackowiak, 34, reportedly took revenge on 45-year-old Marek Olszewski by giving him anesthetic, plucking out his pearlies, and sending him...

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