9.
Which permanent teeth replace the deciduous second molars?
a. Second molars.
b. First bicuspids.
c.
First molars.
d. Cuspids.
e. Second bicuspids.
10.
Why are permanent first molars lost early in life more often than other permanent
teeth?
a. They are more readily affected by dietary deficiencies than other teeth.
b. Their structure is more fragile and thus more susceptible to decay.
They are especially vulnerable because of their position in the jaw.
c.
d. They are often overlooked or mistaken for temporary teeth and neglected.
11.
The maxillary right first bicuspid is tooth number:
a. 21.
b. 12.
c.
20.
d. 28.
e. 5.
MD0501
4-39