The first phase in mouth opening and movement of the temporomandibular joint is:

Question

Quizplus · Accepted Answer

The temporomandibular joint (TMJ)has two separate types of movements.The hinge action is the first phase of mouth opening,and the second phase is the gliding movement that allows the lower jaw to move forward and backward.
Gliding is the second phase of mouth opening.
Sliding is not part of mouth opening and movement of the TMJ.
Opening is an action that occurs in both phases of movement of the TMJ.

The First Phase in Mouth Opening and Movement of the Temporomandibular