Dental plaque is no match for catalytic nanoparticles

Combine a diet high in sugar with poor oral hygiene habits and dental cavities, or caries, will likely result. The sugar triggers the formation of an acidic biofilm, known as plaque, on the teeth, eroding the surface. Early ...

Research shows how to improve the bond between implants and bone

Research carried out recently at the Canadian Light Source (CLS) in Saskatoon has revealed promising information about how to build a better dental implant, one that integrates more readily with bone to reduce the risk of ...

Ancient giant shark tooth goes missing in Australia

A giant fossilised tooth from a prehistoric shark has gone missing from a supposedly secret location at a remote Australian World Heritage site, and wildlife officials want it back.

Researchers explore how chewing affects teeth on the nanoscale

Food leaves permanent traces on teeth. Cows chewing on grass, tigers tearing up a piece of raw meat and humans munching on tortilla chips all end up with tiny scratches and nicks on the enamel of their teeth. Examining these ...

Ancient DNA offers new view on saber-toothed cats' past

Researchers who've analyzed the complete mitochondrial genomes from ancient samples representing two species of saber-toothed cats have a new take on the animals' history over the last 50,000 years. The data suggest that ...

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