Skull fractures Flashcards
1
Q
what is there purpose of buttresses in the cranium?
A
Spread masticatory forces away from the relatively delicate orbit and nasal areas
2
Q
What are the buttresses of the cranium?
A
- frontosagittal
- frontonasal
- zygomatic arch-lateral orbital margin
- occipital
- massticatory plates
3
Q
What are the different types of fractures of the skull?
A
- depressed fracture-pushes inwards towards brain
- linear fracture-snap
- basilar fracture-in the base of skull
- comminuted fracture- several little fractures
4
Q
What is Le fort I?
A
fractured the maxilla -going into base of the nose
5
Q
what is Le fort II?
A
fractured maxillary sinus, head up nasal and ethmoid
6
Q
what is Le fort III?
A
fractured back of orbits, nasal, ethmoid
7
Q
what is the name for C1 vertebrae?
A
Atlas - doesn’t have large body or spinous process
8
Q
what is the name for C2 vertebrae?
A
Axis- odontoid process
