Teeth Facts
- A human child will lose their first tooth around 7
- The enamel on a humans tooth is the hardest thing in their body
- A mammal has 2 types of teeth called primary and permanent teeth
- Teeth in humans start to form before they are born
- Toothbrush bristles were originally made from the hair of cows
- Baby teeth are actually called milk teeth
- A shark has around 40 set of teeth in their lifetime
- A human baby has 20 teeth which start to grow at about 6 months old
- An adult human has 32 permanent teeth
- Humans only have 2 sets of teeth in their lifetime
- A humans front teeth are called "incisors"
- An adult human has 2 "canine" teeth that have points are are used for tearing
- A human uses "molars" to grind their food
- Teeth are kept alive by blood and nerves
- Teeth are fixed into jaw bones and held in place by cement