Question

which of the following occurs at the tmj during mandibular depression?
a) posterior roll, anterior glide
b) anterior roll, anterior glide
c) anterior roll, posterior glide
d) posterior roll, posterior glide

Explanation:

During mandibular depression at the temporomandibular joint (TMJ), the condyle first rotates (roll) anteriorly and then glides anteriorly. This is a fundamental aspect of TMJ mechanics.

Answer:

B. Anterior roll, anterior glide