Dentistry (Units 4, 5, 6)

The functional visible part of the tooth is

• root

• crown

• enamel

• neck

The outer layer of the tooth is

• dentin

• pulp

• enamel

• cementum

True or False ?

All the teeth have the same general structure .

• True

• False

The ____ of the tooth is the part between the crown and the root.

The primary function of incisors is

• to tear food

• to shred food

• to grind food

• to cut food

The ______ are the longest teeth.

• canines

• incisors

• premolars

• molars

Premolars can have ___ cusps.

• five

• two

• three

• four

Molars can have ____

• one root

• two roots

• three roots

• four roots

Primary teeth are also called _____ teeth.

(more than one answer is possible)

• baby

• secondary

• milk

• decidious

The first dentition is composed of _____ teeth.

• 12

• 20

• 24

• 26