TMJ/Occlusion Flashcards
What type of CT covers the condyle?
Dense avascular fibrous connective tissue
Not hyaline cartilage
T/F: The articular eminence is the thickest part of the temporal bone.
True
Which imaging technique will capture the disc?
MRI
Which ligament attaches the disc to the condyle by attaching to the medial and lateral poles?
Collateral ligament
Which ligament covers and protects the TMJ while not allowing it to move laterally?
Capsular ligament
Which ligament attaches the from the eminence to the posterior neck of the condyle?
TM ligament
Which ligament initiates translation of the mandible and stops the condyle from going to far posteriorly?
TM ligament
Which ligament attaches to the medial side of the ramus (lingula)?
Shenomandibular ligament
Limit excess opening
Which ligament limits excessive protrusion?
Sylomandibular
Attaches to posterior of mandible
Which three muscles are the primary elevators of the mandible?
Masseter, temporalis, medial pterygoid
Where does the medial pterygoid muscle originate and insert?
Origin: Medial of lat pterygoid plate
Insert: medial angle of mandible
Where does the lateral pterygoid originate and insert?
Origin: Lateral of pterygoid plate/greater wing of sphenoid
Insert: anterior condyle/articular capsule
Which muscles open the mouth?
Lateral pterygoids, suprahyoids, infrahyoids
Which muscles protrude the mandible?
Lateral and medial pterygoids
Which muscles protrude the mandible?
Temporalis and masseter (deep)
