DA Compendium page 12 (Occlusion)

Question 1

Define Immediate sideshift

Answer 1

When the lateral translation movement occurs before the condyle translates from the fossa

Question 2

Define Progressive sideshift

Answer 2

The progressive lateral translation movement of the condyle in a downward, forward, and inward (medial) direction.

Question 3

The more severe the immediate side shift, …?

Answer 3

The shorter the posterior cusps and the wider are the fossa & grooves

Question 4

Immediate sideshift + Progressive sideshift = ?

Answer 4

Bennett movement

Question 5

An increase in Vertical Overlap results in what?

Answer 5

More of a vertical component to mandibular movement and steeper posterior cusps

Question 6

An increase in Horizontal Overlap results in what?

Answer 6

Less vertical displacement of the mandible and flatter posterior cusps.

Question 7

T or F, The exact morphology of a posterior tooth is influenced by the pathway it travels across its opposing tooth or teeth

Answer 7

True