Muscles Of Facial Expression Flashcards
0
Q
Where does the buccinator insert?
A
The cheeks near the corner of the mouth, some interlace with fibers of the lips
1
Q
Where does the buccinator originate?
A
Alveolar process the maxilla , pterygomandibular raphe
2
Q
Action of buccinator?
A
Keep food on occlusal surfaces
3
Q
Innervation of buccinator?
A
Buccal branch of facial nerve
4
Q
What is the origin of platysma?
A
Fascia of the upper chest
5
Q
Where does platysma insert
A
Lower border of the mandible , merge with muscles surrounding the mouth
6
Q
What is the action of the platysma muscle
A
Grimmace
7
Q
Innervation of platysma is
A
Cervical branch of facial nerve
