Teeth are not bones. Both have loads of calcium and pulpy parts, however, bones can grow back, but teeth cannot.
Tooth enamel is the hardest thing in your body!
Over our lifetime, we spend an average 38 days brushing teeth. That seems like 38 days well spent, right?
Babies form teeth in the womb, but they don't make an appearance in the mouth until 6-12 months.
Dolphins have up to 250 teeth! Sharks host about 300 teeth in their jaws, growing over 3000 in their lifetimes!
Teeth sets are as unique as fingerprints, no two mouths are the same.
Smiling is more contagious than the flu. Try it! Your friends and family will think you're nuts, but TRY IT and you'll see a smile is more catching than yawning. For reals.