Table of Contents
Mandibular Movement
Dynamics - any rigid body movement described as combination of
Mandibular Translation (Sideshift, Bennett Movement) -bodily movement to working side during lateral excursion; may occur in purer form early; combined with rotation later
Anatomic factors Ligaments
TMJ Frontal Section
Mandibular Fossa - NW Side
Mandibular Translation (Sideshift, Bennett movement)
PPT Slide
Condylar movement during MT
Condylar movement during MT
Condylar movement during MT
Condylar movement during MT
Condylar movement during MT
Condylar movement during MT
Mandibular Translation (Sideshift, Bennett movement)
Transverse Plane
S-I Axis of Rotation
“Gothic Arch” Tracing
Transverse Plane Border Diagram (incisor point)
Incisor Envelope of Motion superior portion
S-I Axis Rotation plus Translation
Transverse Plane Border Diagram with bilateral “immediate MT”
Incisor Envelope of Motion superior portion
Consider movement of a posterior tooth cusp tip which is not located on the midline
Rotation+Translation
PPT Slide
What about the Mandibular teeth? (i.e. maxillary cusp movement)
Movement in the Frontal Plane
A-P rotation + MT
Simulating MT with the Articulator
Denar Quick-Analyzer
Denar Quick-Analyzer
PPT Slide
Stuart Pantograph
Six Pantographic Recording surfaces
Typical Tracing
Typical Tracing
Transverse Plane Pantographic tracings of multiple healthy subjects
Denar Articulator Fossa Analogs
Denar Articulator Fossa Analogs
PPT Slide
PPT Slide
Mandibular Movement
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