Muscles Of Mastification Flashcards
Originate: Temporal fossa
Insertion: coronoid process of mandible
Action: close/elevate the mouth
FD: inferior
Temporalis muscle
Originate: Zygomatic process of temporal bone, zygomatic arch
Insertion: Angle and ramus of mandible
Action: grinds the food/chew pattern
FD: inferior-posterior
Masseter
Originate:
Superior: greater wing of sphenoid bone
Inferior: Ideal surface of pterygoid plate
Insertion: Capsule of TMJ (condyle)
Action: Lateral deviation of mandible
FD: lateral
Lateral pterygoid
Originate: Medial surface of pterygoid plate, tuberosity of maxilla
Insertion: Medial surface of angle and ramus of mandible
Action: Mini grinding actions
FD: inferior-posterior
Medial Pterygoid
Muscles of Mastication
Medial pterygoid
Lateral pterygoid
Masseter
Temporalis muscle
