26.
Which ridge is found only on maxillary molars?
a. Marginal ridge.
b. Triangular ridge.
c.
Transverse ridge.
d. Oblique ridge.
27.
Match the tooth ridge in Column I to the type of tooth in which this feature occurs
in Column II. Items in Column II can be used more than once. Items in Column I
may have more than one answer. Write your answer in the space provided.
COLUMN I
COLUMN II
____ (1)
Marginal ridge.
a. Incisor or cuspid.
____ (2)
Triangular ridge.
b. Bicuspid or molar.
____ (3)
Transverse ridge.
c. Molar.
____ (4)
Oblique ridge.
28.
Complete the following statements related to grooves.
a. A groove is a linear ___________________ on the surface of a tooth formed
by the union of two ________________ during the development of the crown.
b. A ____________ ______________ is a depression running perpendicular to
a marginal ridge.
c.
A ________________ _______________ is the depression in the crown of a
tooth that marks the boundary between separate lobes.
MD0501
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