Hinge axis | definition of hinge axis by Medical dictionary
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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
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.