TEMPOROMANDIBULAR JOINT Flashcards
1
Q
What is the TMJ
A
Articulation of temporal bone and the mandible
2
Q
Articular surfaces involved in the TMJ
A
Articular surface, mandibular fossa and head of the mandible
3
Q
Separates the articular surfaces of TMJ
A
Articular disc
4
Q
Type of cartilage that lines the articular surfaces of TMJ
A
Fibrocartilage
5
Q
Ligaments that act to stabilise the TMJ
A
Temporomandibular ligament, Sphenomandibular ligament and stylomandibular ligament
6
Q
Muscles responsible for depression and and elevation
A
Medial pterygoid, Masseter and temporalis
7
Q
Muscles responsible for protraction
A
Medial pterygoid, lateral pterygoid
8
Q
Muscles responsible for rectraction
A
Temporalis and masseter
9
Q
Blood supply
A
Superficial temporal artery
Maxillary artery
10
Q
Innervation
A
Auriculotemporal nerve
Masseteric nerve
