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  • Toothbrush bristles were originally made from the hair of cows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