Q9-Horizontal Determinants of Occlusal Morphology Flashcards
The horizontal determinants of occlusal morphology includes relationships that influence what
the direction of ridges and grooves on the occlusal surfaces, and the placement of cusps
The pathway that the cusp of a tooth follows in passing over the opposing tooth is a factor of what
its distance (radius) from the rotating condyle
This is always the side toward which the mandible is displaced
working side
Movement is always what degrees to the radius
90 degrees
What are the three paths of protrusive movement
medial protrusive (NW) direct protrusive lateral protrusive (W)
The greater the distance from rotating condyle…
the wider the angle between lateraltrusive and mediotrusive pathway
The greater the distance from the midsaggital plane…
the wider the angle between lateraltrusive and mediotrusive pathway
The greater the movement of lateral translational movement…
the wider the angle between lateraltrusive and mediotrusive pathway
The greater the distance of intercondylar distance…
the smaller the angle between lateraltrusive and mediotrusive pathway
