Dental Anatomy Occlusion Quiz

Dental anatomy occlusion quiz for wvu sod 

37 cards   |   Total Attempts: 188
  

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Cards In This Set

Front Back
Glenoid Fossa
Under zygomatic/temporal connection towards posterior

Jaw doesn't go posteriorly unless trauma
Lateral pterygoid muscle joins with
Articular disk
Ligaments of the TMJ
Articular capsule
Capsular ligament
Superiorly - temporal boneinferiorly - around neck of condyle contain synovial fluid Function: prevents anterior dislocation (limits down and forward)
Temporomandibular Ligament
OOP - Outer Oblique portionIHP - Inner horizontal portion Continuous with capsular ligamentattach- anteriorly to zygomatic process of temporal bone posteriorly to lateral side of condyle neck Function: main suspensory ligament during hinge movement. limits retraction of mandibule
Accessory ligaments
Sphenomandibularstylomandibular
Sphenomandibular ligament:
Originates: spine of sphenoid boneattaches: lingula of mandible function: suspensory ligament during wide opening when condyle moves forward becomes taut as temporomandibular loosens
Stylomandibular ligament
Origin: styloid processattach: posterior border of the ramus just above the angle function: limits anterior movement of angle during protrusion
Lateral and medial discal ligaments
Attach: medial and lateral poles of the condyle Divide the joint mediolaterally into the superior and inferior joint spaces
function: restrict movement of the disc away from the condyle
Major planes of mandibular movement
Horizontal + sagittal
Articular tubercle
Anterior wall = articular eminence medial
Meniscus
Articular disc thinnest in the intermediate thickest in the posterior thicker medially than laterally devoid of blood vessels or nerve fibers attaches to capsular ligament joint cavity above and below disc- lining cells produce synovial fluid attaches distally to retrodiscal tissuesuperiorly: sup. retrodiscal lamina- to tympanic plate
TMJ anatomy
Long axis of head is oriented medio-posteriorly anterosuperior surface articulates with anterior wall of glenoid fossa sits on thinner intermediate zone of the disc
Posterior margin of articular surface of condyle attaches to
Inferior retrodiscal lamina
TMJ
Answer 15
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