Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
31 Cards in this Set
- Front
- Back
|
What is the craniofacial ratio at birth? Adulthood?
|
8:1
2:1 |
|
|
Facial fractures more common in children than adults
|
high facial fractures (orbital roof and temporal bone)
|
|
|
Define foramen of Morgagni
|
-gap btwn superior constrictor muscle and skull base
-serves as potential route of nasopharyngeal tumors to skull base and brain |
|
|
Through foramen spinosum
|
meningeal branch of V3
|
|
|
Through infraorbital foramen
|
terminal branch of V2
|
|
|
Through foramen ovale
|
V3 and accessory meningeal artery
|
|
|
Through sphenopalatine foramen
|
SPA
|
|
|
Through superior orbital fissure
|
III, IV, VI, V1
|
|
|
Through foramen rotundum
|
V2
|
|
|
Structure found in Meckel's cave
|
Gasserian ganglion of V
|
|
|
Where/what is Dorello's canal
|
-Btwn petrous tip and sphenoid bone
-contains VI -contains inferior petrosal sinus |
|
|
Does the foramen rotundum lie lateral or medial to pterygoid canal
|
lateral
|
|
|
Largest artery in pterygopalatine fossa
|
sphenopalatine
|
|
|
Name of maxillary artery after passing through pterygomaillary fissure
|
SPA
|
|
|
Weakest areas of the mandible
|
-around 3rd molar
-socket of canine tooth -condyle |
|
|
What structures pass through the mandibular foramen
|
inferior alveolar artery and nerve
|
|
|
T/F: The medial pterygoid elevates the mandible
|
True
|
|
|
What muscle protracts the mandible
|
lateral pterygoid muscle
|
|
|
The pterygoid plates are part of which bone
|
sphenoid
|
|
|
What type of joint is the TMJ
|
ginglymoarthrodial (hinge/sliding)
|
|
|
What muscle inserts on the disk of the TMJ
|
superior part of lateral pterygoid
|
|
|
Normal interincisal opening
|
40-50mm
|
|
|
Why is the mid face inherently prone to deficient projection
|
lacks good sagittal buttresses.
|
|
|
3 paired vertical buttresses of the midface
|
nasomaxillary
zygomaticomaxillary pterygomaxillary |
|
|
Horizontal butresses of the midface
|
-frontal bar and cranial base
-zygomatic arch -maxillary palate and alveolus -greater wing of pterygoid plates |
|
|
Horizontal buttresses of the nasoethmoid region
|
frontal bone
superior orbital rims inferior orbital rims |
|
|
Vertical buttresses of nasoethmoid region
|
paired central fragments from frontal process of maxilla and internal angular process of the frontal bone
|
|
|
most prominent portion of the ZMC
|
malar eminence
|
|
|
weakest part of the ZMC
|
orbital floor
|
|
|
Normal inclination of the orbital floor
|
inclines superiorly at 30-degree angle from ant to post
45-degree angle from lateral to medial |
|
|
What determines the projection of the upper face?
|
The frontal bar (supraorbital rims and frontal sinuses)
|
