Most Amazing Facts About Shark Teeth |
Around the teeth resistant to acid, toothpaste often contains fluoride, Epple said a professor at the University of Duisburg-Essen, after brushing teeth, replaced by sodium fluoride in human teeth, only a small amount of about one percent.
In contrast, added Epple, shark teeth contain 100 percent fluoride. Thus, in theory, sharks are not likely to experience tooth decay by. Moreover, they are living in the water and replace teeth regularly. "Protective clothing is not a problem for the Sharks.
To do this, use Epple and three colleagues, Joachim Enax, Oleg Prymak Dierk Raabe and various high-tech equipment. Including scanning electron microscope to see the teeth of the two species of shark, the tiger shark (Galeocerdo cuvier) and shortfin mako (Isurus oxyrinchus).
Both were chosen because they have different eating habits. Tiger sharks prey meat, while the shortfin mako tear often. Although different diet, in both shark teeth found the same chemical composition and crystal structure.
On the outside, shark teeth cleaner contains the e-mail content. While on the inside contains soft material called dentin contains more protein and elastic. People have also dentin.
Surprisingly, the results of calculations of micro-and nano-nominations, shark teeth no louder than human teeth. "Fluoroapatite mineral harder than hydroxyapatite. So if it only contains minerals teeth, shark teeth should be harder than human teeth. Can compensate for human teeth violent shark teeth because they contain e-mail and matrix protein crystals. Previous Articles: Bat Animal, Human Kidney.
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