Each Mamelon Forms the Incisal Edge of One of the Primary

Multiple Choice

Each mamelon forms the incisal edge of one of the primary labial lobes of the incisors.With wear,the rounded incisal edge becomes flat and is then referred to the incisal 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.