Not everyone wants their teeth to be white and gleaming. Tooth blackening is a recognized part of modern Vietnamese culture, ...
Interesting Engineering on MSN
2,000-year-old Vietnamese burial produces oldest evidence of tooth blackening
The ancient Southeast Asian practice of tooth blackening was once thought to have emerged ...
Add Yahoo as a preferred source to see more of our stories on Google. Chattering teeth – that rapid, sometimes noisy clack of your upper and lower teeth – is a minor, startling symptom that can feel ...
ZME Science on MSN
Scientists developed a vibrating powder that whitens teeth and repairs enamel simultaneously
Teeth whitening is a billion-dollar ritual, but it’s rarely a “healthy” one. Most often, it’s like trading yellow stains for ...
The human body is remarkably good at handling repairs. Cut the skin, and the blood will clot over the wound and the healing process begins. Break a bone, and the body will knit it back together as ...
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