The perfect smile: scientists find shark’s teeth are coating in flouride to give them the ultimate bite | Mail Online

The perfect smile: scientists find shark’s teeth are coating in flouride to give them the ultimate bite | Mail Online.

Nader Nazemi-Shark teeth-Flouride

Researchers have found the secret to a shark’s bite – their teeth are coated in flouride to keep them strong and healthy

Sharks are majestic creatures.

However, until now scientists have failed to explain just why sharks appear to have such and effective teeth. Researchers now believe they have found the answer – and it’s found in the toothpaste we all use every day.

Scientists at the University of Duisburg-Essen discovered that the voracious predators secret is flouride. They found the outside of shark teeth is made up of fluoride, the active component of most toothpaste. Although human teeth are covered in a different mineral, both shark and human teeth are equally hard. Researchers already knew sharks never get cavities, and are able to replace their teeth multiple times throughout their lives.

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