Pract 3-4 2nd 9 weeks test

Teeth are accessory organs of the _____?

• digestive tract

• reproductive system

• respiratory system

Mastication is defined as:

• walking

• running

• chewing of food

Sets of teeth are called

• dentin.

• dentitions.

• cementum.

How many primary teeth does a person have?

• 20 teeth

• 22 teeth

• 25 teeth

How many permanent teeth does a person have?

• 32 teeth

• 30 teeth

• 35 teeth

What is another name for "gums?"

• enamel

• roots

• gingiva

What is the section of the tooth that is visible in the mouth?

• Gingiva

• Crown

• Root

What is the section of the tooth below the gingiva, or gums?

• Crown

• Gingiva

• Root

Enamel is the hardest tissue in the body and covers the outside of the crown.

• True

• False

Cementum helps hold the tooth in place.

• True

• False