muscles of mastication and TMJ Flashcards
1
Q
actions of masseter
A
elevation
minor lateral movements
2
Q
actions of temporalis
A
elevation
retrusion
maintains normal resting position
3
Q
actions of medial pterygoid
A
Elevation
- protrusion
- contralateral excursion when acting with lateral pterygoids
4
Q
actions of lateral pterygoid
inferior head
superior head
A
- depression ,portusion Contralateral excursion with medial pterygoid
5
Q
nerve supply to muscles of masication
A
mandibular nerve
6
Q
what artery supplies muscles of mastication
A
maxillary artery
7
Q
what type of joint is TMJ
A
Bicondylar synovial Atypical joint
8
Q
Nerve supply and blood supply of TMJ
A
Auriculotemporal nerve from mandibular
• Superficial temporal artery
• Maxillary artery
