When one closes the mouth, the movement is called
A) depression.
B) elevation.
C) retraction.
D) protraction.
E) flexion.

Question

Quizplus · Accepted Answer

Closing the mouth involves the upward movement of the mandible, which is known as elevation. Depression is the downward movement of the mandible, retraction is the posterior movement of the mandible, protraction is the anterior movement of the mandible, and flexion is the bending of a joint.

When One Closes the Mouth, the Movement Is Called