The eruptive movement that pushes the crown of the tooth directly toward the surface is called eccentric movement. Excentric movement occurs during the eruptive stage.
A) Both statements are true.
B) The first statement is true; the second is false.
C) The first statement is false; the second is true.
D) Both statements are false.

Question

Quizplus · Accepted Answer

The eruptive movement that pushes the crown directly toward the surface is called spatial movement. During spatial movement the bottom of the socket fills with bone. Both spatial movement and eccentric movement occur during the pre-eruptive stage. Eccentric movement is characterized by growth of the crown in an off-centered pattern.

The Eruptive Movement That Pushes the Crown of the Tooth