You’re likely not a trained dental professional, so it’s not surprising that you or most people like you don’t know all there is to know about teeth. But have you ever wondered if there are any surprising facts about teeth that you can learn about? Look no further. Here are 5 facts you didn’t know about your teeth.

You are born with teeth.

Although you’ve never seen it, all people are born with teeth already forming beneath their gums. These are typically referred to as “ milk teeth”, and they grow in during your teething phase. Fun fact: Some babies have natal teeth when they’re born, signaling good luck and fortune to come.

Your teeth are as unique as your fingerprints.

Yup. It’s possible for police departments to use your dental records to identify you. Your teeth and bite are different from everyone else’s, just like your fingerprints.

Your teeth have the hardest substance your body produces: Your enamel.

Your teeth are made of the strongest, hardest material in your body. Your enamel is a super strong protective layer that withstands very heavy forces.

2/3 of your teeth are under your gums.

Only 1/3 of your tooth is actually visible above the surface of your gums, making your teeth sturdy and stable.

There are four types of teeth that humans possess.

These are incisors, premolars, molars, and canine teeth, and they all play a different role in your mouth. They’re responsible for grinding, tearing, cutting, and mashing up your our food. As omnivores, we are able to eat a many different foods thanks to the variety of our teeth.