hinge axis

(redirected from determination hinge axis)

trans·verse hor·i·zon·tal ax·is

an imaginary line around which the mandible may rotate through the horizontal plane.

hinge axis

a line that passes through the left and right mandibular condyles and coincides with the center of rotation of the mandible. Determining the hinge axis is essential in constructing dental prostheses and correcting occlusal interferences.

trans·verse hor·i·zon·tal ax·is

(trans-vĕrs' hōr'i-zon'tăl ak'sis)
An imaginary line through both temporomandibular joints about which the mandible rotates in the sagittal plane during opening and closing of the mouth.
Synonym(s): hinge axis, mandibular axis (1) .

hinge axis,