Everything You Wanted to Know About Shark Teeth

EVERYTHING YOU EVER WANTED TO KNOW ABOUT SHARK TEETH It's everyone's favorite time of the year again-SHARK WEEK! To celebrate the toothiest smiles in the deep blue sea, we put together this guide so you can wow your friends with your expert shark knowledge Sharks can lose over 1,300 teeth every year A shark can go through over 40,000 teeth in its life Sharks can have up to 3,000 teeth at one time Sharks NEVER run out of teeth -they run on a "conveyor belt" that constantly generates new teeth An average lifespan of a shark is between 20-30 years Pulp Pulp Shark teeth are the same hardness and density as humans but they don't have roots. Sharks never get cavities Dentine Enamel Dentine Enamel Both have central pulp cavity with layer of dentine and hard enamel on the outside. 4 There are different types of shark teeth - all used for different feeding habits Triangular and serrated - Good for tearing off chunks of flesh Flat and dense - Good for eating mollusks and Small and pointed - Good for nothing, they filter krill. Pointy - Good for gripping slippery fish crustaceans Sharks teeth aren't meant to chew -they are designed to rip off chunks of meat and swallow them whole. One example is the cookie cutter shark doesn't even kill it's victims, but just takes a bite out of a live passerby. The cookie cutter shark replaces an entire mouthful of teeth at one time Did you know you can estimate the size of the shark based on the length of the tooth? Measure one side of the tooth in inches and multiply by 10 for the total size of the shark in feet 10 11 12 13 14 15 16 17 The Megalodon lived about 2 million years ago and looked a lot like a modern day Great White Shark, except up to 3x larger The Megalodon They grew up to 40 feet in length and one of their teeth could weigh a pound The Bull shark has up to rows of razor sharp teeth 50 Shark teeth grow back within 1 day Newborn sharks are born with their teeth and hunt for themselves from day one Did you know that both the upper and lower jaws move? This makes it easier for the shark to tear meat from its prey DR.DE IZL Adult and KIDS Dentistey..For Less Presented by Dr. Dental http://www.mydrdental.com