How do bacteria create cavities?

All the bacteria in our mouth are harmful?

• True

• False

Explain how bacteria cause tooth decay?

Write the part of the teeth

What substance is produced when a bacteria break down and eat sugar?

• Plaque

• Dissolve

• Enamel

• Acid

What effect can acid have on your teeth?

• Bacteria breakdown the sugar and dissolve the teeth

• Dissolve the teeth

• Tooth decay cause plaque to form on your teeth

How do you think bacteria cause tooth decay?

What foods should you avoid to avoid cavities?

Choose the correct answer:

The soft living part of a tooth is...

• Dentin

• Pulp

• Cavity

• Plaque

Choose the correct answer

A susbstance added to water and toothpast to help prevent tooth decay

• Cavity

• Acid

• Dentin

• Flouride

Explain in your own words what you can do to prevent tooth decay.