Before revision: Protrusive movements are restricted by the ligamentous structures to a maximum of ~8-11mm (depending on skull morphology and size of subject) Retrusive movements As for protrusion , this movement is restricted by the ligamentous structures and the maximum retrusive limit is usually ~1mm however 2-3mm is rarely seen in some patients.
After revision: Protrusive movements are restricted by the ligamentous structures to a maximum of ~8-11mm (depending on skull morphology and size of subject) Retrusive movements As for retrusion , this movement is restricted by the ligamentous structures and the maximum retrusive limit is usually ~1mm however 2-3mm is rarely seen in some patients.