L4

Question 1

Parasymphsis

Answer 1

Posterio to CA anterior to mental foramina

Question 2

Symphis

Answer 2

area between mental foramina

Question 3

Body

Answer 3

between mental foramina and distal to 2M

Question 4

Angle

Answer 4

Distal of 2M and inferior ramus

Question 5

Ramus

Answer 5

between sigmoid notch and angle

Question 6

Condyle

Answer 6

between sigmoid notch and top of condylar head

Question 7

favorable

Answer 7

muscle pull puts fragments back in place

Question 8

unfavorable

Answer 8

muscle pull displaces fragments

Question 9

LeFort 1 pattern

Answer 9

simplest maxillary sins to pteygoid plates

Question 10

LeFort 2 Pattern

Answer 10

More involved; bilateral orbit, lateral nose, maxilla

Question 11

LeFort 3 Pattern

Answer 11

Craniofacial disjunction root of orbit both zygomas/almost whole midface

Question 12

Zygomaticomaxillary compelx

Answer 12

flattening of face or widening of bizygomatic width
Ennophtalmos
Diplpia

Question 13

Enophthalmos

Answer 13

sunken eye
muscle gets entrapped
fat behind eye herniates down into maxillary sinus cavity and eye drops
Reposistion fat and orbital floor implants recreate eye volume

Question 14

Naso-Orbital-Ethmoid

Answer 14

Most frontal sinus trauma results in traumatic brain injury and death

Question 15

Panfacial Trauma

Answer 15

fracture involve upper middle and lower face

Question 16

closed Reduction

Answer 16

use teeth to put bone back together without seeing fracture line

occlusion established hen MMF for 4-8 weeks (3 for kids)

Question 17

Open reduction with internal fixation

Answer 17

Expose factures to use direct visualization
Fix with plates and screws

Indications are grossly displaced, cannot tolerate MMF, need a short absent period of MMF