hinge axis


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trans·verse hor·i·zon·tal ax·is

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

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) .
References in periodicals archive ?
Patnaik et al (2004) and according to them this second hinge axis on the ramus is situated above the Mid Ramus Point (MRP) in 96.66% cases, but contradicts with the statements of many previous authors.
That makes this imaginary hinge axis" around which the man- dible may rotate in the sagittal plane of considerable importance in treatment planning.
Canting the hinge axis 10-degrees from vertical also reduces the effort needed to open the door from inside the vehicle.