During normal mandibular lateral deviation to the left, the left condylar head ____________________, and the right condylar head and disc ____________________
a. glides posteriorly and superiorly, spins
b. glides anteriorly and inferiorly, spins
c. spins, glides posteriorly and superiorly
d. spins, glides anteriorly and inferiorly
ANS: D
In lateral deviation of the chin to one side, one condyle spins around a vertical axis while the other
condyle translates forward. Lateral deviation to the left would involve the left condyle spinning
while the right condyle translates anteriorly and inferiorly.
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