Your first tooth formation begins as early as 4 months in utero.
Enamel is the hardest substance in the human body.
Some babies are born with teeth—these are called natal teeth.
Tooth is the only part of the body that can’t repair itself.
We have two sets of teeth in a lifetime—milk teeth and permanent teeth.
Sharks have unlimited sets of teeth.
Snails have 14,000–20,000 teeth! Not like ours though—they’re arranged in rows on their tongue.
Rabbits and squirrels have teeth that never stop growing.
Hippopotamuses have the longest canines—up to 3 feet long!
Blue whales have no teeth—they filter food using baleen plates.
Sounds wild, right?
Teeth may look simple, but they’re full of surprises.
