Any Ridge That Extends from the Cusp Tip to the Central

Multiple Choice

Any ridge that extends from the cusp tip to the central groove of the occlusal surface is called a marginal ridge.When two marginal ridges join,after traversing the tooth buccolingually,they form a transverse ridge.

A) Both statements are true.
B) The first statement is true;the second statement is false.
C) The first statement is false;the second statement is true.
D) Both statements are false.