Baby Teeth and Permanent Teeth

In the picture

1. 1A small baby tooth: it loosens before falling out.
2. 2A larger permanent tooth under the gum: it grows upward to replace the baby tooth.
3. 3A toothbrush against a clean tooth: brushing removes plaque and food bits.
4. 4A dark cavity in a tooth: a hole caused by tooth decay.

Examples

• Brushing twice a day with fluoride toothpaste.
• Eating an apple or carrot instead of sticky sweets.

Quiz: Baby Teeth and Permanent Teeth (Age 8)

1. 1

   Why do baby teeth fall out?

   • Because they are not brushed enough.
   • Because they are too old.
   • To make room for permanent teeth.
2. 2

   What happens after a baby tooth falls out?

   • No tooth grows there again.
   • A permanent tooth grows in its place.
   • A new baby tooth grows in its place.
3. 3

   What helps keep teeth free of cavities?

   • Eating sweet snacks and drinking soda.
   • Only chewing gum.
   • Brushing and healthy food.

The answers, each with its explanation, are in the app. This lesson has left the free week, so its quiz is part of the subscription.