Science
Why Do Baby Teeth Fall Out?
Have you ever wondered why a perfectly good tooth suddenly becomes loose and wiggly?
The short answer
A new permanent tooth develops underneath the baby tooth.
Let’s explore
- A new permanent tooth develops underneath the baby tooth.
- As the permanent tooth gets ready to come in, the root of the baby tooth gradually becomes smaller.
- The baby tooth becomes loose, falls out and makes room for the new permanent tooth.
Quick Quiz
- What is the short answer to “Why Do Baby Teeth Fall Out?”?
- Can you explain one key fact in your own words?
- What new question would you like to explore next?
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Visit the channelRelated Topics
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Under your lungs is a large muscle called the diaphragm. It helps you breathe.
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Why does our body suddenly go “Achoo!”?
A sneeze is one way your body protects your nose.
Fun Facts
How Many Baby Teeth Do Children Have?
Children normally have 20 primary or baby teeth.