Front

Why can't teeth feel pain?

Back

Pain comes from nerves and blood vessels in the pulp.

Front

Can enamel grow back once it is formed?

Back

No, it cannot grow back.

Front

What can teeth reveal about a person?

Back

Their age, diet, and where they lived.

Front

How many teeth does the average person lose in their lifetime?

Back

At least one.

Front

Which part of the tooth contains nerves and blood vessels?

Back

Pulp.

Front

What is the hardest substance in the human body?

Back

Enamel.

Front

What is the primary function of teeth?

Back

To aid in the mechanical breakdown of food.

Front

What are the two main types of teeth in adults?

Back

Incisors and molars.

Front

What is dentin?

Back

The layer of the tooth beneath the enamel.

Front

What is the role of saliva in dental health?

Back

It helps neutralize acids and wash away food particles.