What does Posselt mean?
Posselt Surname Definition: “Assistant” in Old German.
What is hinge movement of mandible?
Mandibular movement around the horizontal axis is an opening and closing motion. It is referred to as a hinge movement, and the horizontal axis around which it occurs is therefore referred to as the hinge axis (Figure 4-2).
What is Bennett movement?
The Bennett movement is defined as “The bodily lateral movement or lateral shift of the mandible resulting from the movements of the condyles along the lateral inclines of the mandibular fossae in lateral jaw movements. “’ McCollum’ considered the Ben- nett movement the most important determinant of occlusion.
What are border movements of mandible?
Mandibular border movements are the nonfunctional movements of the mandible. These movements are the maximum amount of movement in any direction and plane, reproducible, can be affected by the TMJ, muscles, ligaments and other tissues, and are also closely associated with occlusal patterns.
What is terminal hinge position?
(sen’trik rĕ-lā’shŭn) The relation of the lower to the upper jaw when the condyles are in their most posterior and superior position in the mandibular (glenoid) fossae. Synonym(s): terminal hinge position.
What plane is mandible protraction?
Lateral movements (lateral glide, left and right) Anterior posterior movements in a horizontal plane (mandibular protraction and retraction)
What is pure hinge movement?
… 1,2 When in CR, the early phase of mandibular opening is a pure hinge movement, rotating about this axis for up to 15 to 20 mm. 3 The theory of hinge axis has made it possible to modify the occlusal vertical dimension (OVD) on a semiadjustable articulator without changing the articulation of dental casts.
What are the movements of TMJ?
MOVEMENTS OF THE TMJ The basic anatomical function of the mandible is to: 1) open and close; 2) protrusion and retru- sion; and 3) lateral deviation which are provided through two types of basic movements. These movements are termed rotation and translation. Rotation occurs in the lower portion of the joint.