Describe the articulations and functions of the upper and lower joint spaces
What will be an ideal response?
ANS: The lower joint space consists of the articulation of the anterior surface of the condyle and the
inferior surface of the articular disc. The lower joint space is where rotation of the condyle under
the articular disc takes place. The upper joint space consists of the articulation of the articular
eminence and the superior surface of the articular disc. The upper joint space serves mostly to
allow translation of the condyle/disc complex on the articular eminence.
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