Bennett movement

[Dentstu]

Bennett movement influences mesiodistal position of cusps. Can anybody explain, How ?
Anybody from part 2, please explain.

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[chemtex2008]

Old thread, but it was never answered and maybe this may help someone in the future...

"Bennett movement" is a medial and protrusive movement of the condyle (and subsequently the entire mandibular arch). This is the function of the lateral pterygoid muscle opposite that of the direction the chin points.

There is alot of Bennett movement when cows chew cud.
(Insert Texas joke here)