The Effect of Hinge Axis Position on Mandibular Movements

The objective of this study was to evaluate the effect of an arbitrary and true hinge axis on the Bennett shift and the horizontal condylar path inclination. Ten completely edentulous subjects were selected for this study. For each subject, true and arbitrary hinge axis positions were located. Whip Mix Quick Set Recorder was used to measure the Bennett shift and the horizontal condylar path inclination. The Bennett shift and condylar path inclinations were recorded two times, first using the arbitrary and secondary using the kinematic hinge axis as the starting point for recording. The result
of this study showed that there were no statistical differences between the two measures of the Bennett shift and horizontal condylar path inclination.