I’m sure you know what the hardest naturally occurring substance in the world is. Diamonds, of course! This seems to be common knowledge, but do you know what the second hardest naturally occurring substance is? I’ll give you a clue. It is white, protective, and is located in your body.
Any guesses? It’s tooth enamel, of course! It’s true; your tooth enamel is incredibly hard and is an unbeatable protector for your teeth. I’m Dr. Brad Greenfield of Lake Orion Family Dentistry, and I want to tell you all about this amazing stuff. […]