Pre Lab 2

Question 1

What is the lateral and medial palpebral (canthal) ligament and what are they attached to?

Answer 1

the allow for the opening of the eye.
Lateral-> zygomatic bone
medial-> nasal bone

Question 2

If you fracture the zygomatic bone, how can you tell?

Answer 2

your eye will droop due to the lateral palpebral (canthal) ligament

Question 3

What does telecanthus (widening of intercanthal distance) and almond-shaped palpebral fissures tell you?

Answer 3

there is detachment of medial canthal ligament on disruption of nasal orbital area

Question 4

what comes through the mandibular foramen?

Answer 4

inferior alveolar nerve of V3

inferior alveolar artery

Question 5

What comes through the mental foramen?

Answer 5

mental nerve of V3

Question 6

The inferior alveolar artery and inferior alveolar nerve enter the mandible at the (blank)

Answer 6

mandibular foramen

Question 7

Right out of the foramen ovale, what ganglion do you see?

Answer 7

otic ganglion

Question 8

What artery and nerves go to the bottom teeth?

Answer 8

inferior dental plexus from inferior alveolar nerve

Dental branch arteries from inferior alveolar artery

Question 9

If you get hit in the mandible, where is it most likely to fracture?

Answer 9

body> neck> angle

Question 10

Does the coronoid process of the mandible fracture often?

Answer 10

no because the temporalis muscle protects it

Question 11

(blank) are can fracture from blow to symphysis

Answer 11

subcondylar

Question 12

Three places often broken in a mandibular fracture are…?

Answer 12

cuspid area, third molar area, condyle