Muscles

Question 0

Origin- temporal bone
Insertion- coronoid process
Action- closes mouth

Answer 0

Temporal muscle

Question 1

Origin- zygomatic bone
Insertion- angle of the mandible
Action- close mouth

Answer 1

Masseter muscle

Question 2

Origin- pterygoid process
Insertion- medial side of angle of mandible
Action- closes mouth

Answer 2

Medial pterygoid muscle

Question 3

Origin- pterygoid process
Insertion- neck of condyle
Action- protrudes mandible

Answer 3

Lateral pterygoid muscle

Question 4

Origin- mastoid process
Insertion- inferior boarder of mental protrudance
Action- open mouth

Answer 4

Diagstric muscle

Question 5

Origin- max. And man. Bone
Insertion- max. And man. Lips
Action- compresses lips

Answer 5

Oribicularis oris

Question 6

Origin- lower rim of orbits
Insertion- upper lip
Action- elevate upper lip

Answer 6

Levator labii superioris

Question 7

Origin- zygomatic bone
Insertion- corner of mouth
Action- produces a smile

Answer 7

Zygomaticus major

Question 8

Origin- mandible
Insertion- lower lip
Action- pulls lower lip down

Answer 8

Depressor labii inferioris

Question 9

Origin- max. And man. Bone
Insertion- max. And man. Cheek
Action- compress cheeks and keeps food on occlusal surface during chewing

Answer 9

Buccinator