Temporomandibular Joint Flashcards
1
Q
What type of joint is TMJ?
A
Modified hinge synovial joint
2
Q
What are TMJs articulations?
A
Between the condylar process of the mandible and the mandibular fossa of the temporal bone
3
Q
What movements does TMJ allow?
A
Superior – allows protrusion and retrusion of the mandible (translation)
Inferior – allows depression and elevation of mandible (rotation)
4
Q
What ligaments make up TMJ?
A
Intrinsic: Lateral (temporomandibular) ligament
Extrinsic:
Stylomandibular ligament
Sphenomandibular ligament
5
Q
Bony landmarks of TMJ?
A
Mandible
Temporal
6
Q
Muscles that impact TMJ?
A
Temporalis
Masseter
Medial pterygoid
Lateral pterygoid
