Posts Tagged ‘teeth’
Behind gator’s grin, the secret to regrowing teeth?
USC (US) — Alligator stem cells that allow tooth regeneration may help scientists figure out how to regrow teeth in people. Continue…
Tuesday, May 14, 2013 10:21 - 1 Comment
Health & Medicine - Mar 21, 2013 9:38 - 3 Comments
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. (more…)
Health & Medicine - Mar 15, 2013 11:53 - 3 Comments
Fluoride halts tooth decay for adults, too
UNC-CHAPEL HILL (US) — Fluoride in drinking water improves adults’ dental health, even for people who didn’t drink fluoridated water as children, a new study shows. (more…)
Health & Medicine - Mar 11, 2013 15:35 - 0 Comments
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. (more…)
Health & Medicine - Mar 11, 2013 15:15 - 0 Comments
Immune system genes linked to gum disease
UNC-CHAPEL HILL (US) — Genes responsible for nervous system development and immune function also play a role in the gum disease chronic periodontitis. (more…)
Science & Technology - Mar 6, 2013 16:43 - 0 Comments
‘Horsey’ teeth evolved in forest, not grassland
U. WASHINGTON (US) — Some prehistoric mammals got their big chompers from the gritty dust and volcanish ash in their food, new research suggests. (more…)
Health & Medicine - Feb 20, 2013 12:06 - 0 Comments
Enzyme may benefit rare soft-bone disease
MCGILL (CAN) — People with a heritable form of rickets lack an enzyme that allows bones and teeth to harden properly, researchers find. (more…)
Top Stories - Dec 28, 2012 10:16 - 1 Comment
Forget T. rex: ancient piranha had nasty bite
U. WASHINGTON (US) — An extinct relative of piranhas that weighed only 20 pounds delivered a bite 30 times its body weight—considering its size, that’s a nastier chomp than that of T. rex. (more…)
Top Stories - Dec 26, 2012 19:10 - 0 Comments
Saber-tooth cats had plenty of prey before die-off
VANDERBILT (US) — New evidence contradicts the theory that American lions and saber-toothed cats had trouble finding prey before they went extinct 12,000 years ago. (more…)
Science & Technology - Nov 9, 2012 13:12 - 1 Comment
Cat fang fossils reveal overlap with bear dogs
U. MICHIGAN (US) — The fossilized fangs of saber-toothed cats hint at how the extinct mammals shared space and food with other large predators 9 million years ago. (more…)
Top Stories - Oct 30, 2012 10:01 - 0 Comments
Seals suck up tiny krill with ‘sieve’ teeth
MONASH (AUS) — A set of advanced teeth allow Antarctic leopard seals to feast on prey of all sizes—from penguins to tiny krill—biologists report. (more…)
Top Stories - Oct 3, 2012 9:36 - 4 Comments
Tiny dino nipped plants with ‘vampire’ fangs
U. CHICAGO (US) — Rocks in South Africa have revealed a new species of dinosaur—with inch-long jaws and self-sharpening teeth. (more…)
Top Stories - Aug 15, 2012 10:35 - 2 Comments
Grades suffer when kids have achy teeth
USC (US) — Children with tooth pain were four times more likely to have a low grade-point average compared to kids with healthy teeth, a new study shows. (more…)
Top Stories - Jun 27, 2012 17:05 - 0 Comments
Pre-human chowed down like a chimp
TEXAS A&M (US) — One of humans’ early relatives ate leaves, bark, fruit, and nuts, which scientists say indicate it lived in a more wooded environment than previously thought. (more…)
Science & Technology - Mar 15, 2012 14:51 - 0 Comments
Creature bested dinos with top chompers
MONASH (AUS) / U. WASHINGTON (US) — An advanced set of molars helped a group of prehistoric rodent-like mammals survive the extinction event that ended the reign of the dinosaurs 66 million years ago. (more…)
Top Stories - Dec 27, 2011 10:25 - 6 Comments
Plasma brush: Pain-free fix for cavities
U. MISSOURI (US) — Researchers are one step closer to a painless way to replace fillings. (more…)
Top Stories - Aug 26, 2011 9:58 - 8 Comments
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. (more…)
Health & Medicine - Aug 10, 2011 8:52 - 0 Comments
Dot to dot makes teeth tough
U. PITTSBURGH (US) — Protein molecules that self-assemble like stepping blocks and then stabilize in a connect-the-dot fashion give tooth enamel its unique combination of hardness and resiliency. (more…)
Top Stories - Jun 23, 2011 17:08 - 0 Comments
Dinosaurs were as warm as mammals
CALTECH (US) — The first direct measurements of the body temperature of dinosaurs show some were as warm as most modern mammals. (more…)
