29.
The part of the tooth covered by enamel is the:
a. Crown.
b. Root.
30.
The part of the tooth covered by cementum is the:
a. Crown.
b. Root.
31.
In older persons, the _______________ is more likely to be completely exposed.
a. Anatomic crown.
b. Clinical crown.
32.
Enamel has a knife edge thickness at the:
a. Lamina dura.
b. Dentin.
c.
Cusp.
d. Cervical line.
33.
Dentin has _______ percent inorganic matter.
a. 96.
b. 50.
c.
65.
MD0501
3-18