Match the following terms with the correct definition.

A. part of the tooth that lies above the gum line
B. portion of tooth below gum line
C. second layer of tooth
D. nerves, arteries, and veins are in this area
E. the hardest substance in the body
F. used to grind and crush food
G. the arrangement of teeth in the mouth
H. front teeth

A. crown
B. root
C. dentin
D. pulp cavity
E. enamel
F. premolars
G. dentition
H. incisors