The shark never runs out of teeth! If one is lost, another moves forward from the rows and rows of backup teeth-like a conveyer belt. A shark may grow and use over 20,000 teeth in its lifetime!
Baby sharks (pups) are born with a complete set of teeth and are immediately able to take care of themselves.
Sharks Don’t Need Dentists… Shark teeth have built-in cavity protection and are naturally cavity-resistant because they are covered in fluoride.
Most sharks can average between 5-15 rows of teeth, the Bull Shark comes in at 50! Yes, 50 rows of teeth!
In the Americas and the Oceania, shark teeth were utilized as tools, mainly on clubs and daggers. They were also used to carve wood and as knives in ancient times. Some tribes still use shark teeth to sharpen their swords and tip their arrows.