shit you needa know

Question 1

TMJ Disc purposes

Answer 1

Increases congruency
Minimizes loss of mobility
Reduces friction
Decreases biomechanical stress

Question 2

TMJ Disc shape and tissue properties

Answer 2

Two parts:
- Lower part allows depression and elevation
- Upper part allows protrusion and retraction

Dense fibrous tissue

Question 3

TMJ Disc attachments

Answer 3

Anterior: joint capsule and superior lateral pterygoid
Posterior: Superior and inferior laminae
Medial and Lateral: Ligamentous capsule complex

Question 4

Temporomandibular ligament (lateral ligament) purpose

Answer 4

Limit lateral displacement

Question 5

know locations of stylomandibular and sphenomandibular ligaments

Answer 5

do it bitch

Question 6

which muslces do elevation (closing)?

Answer 6

Masseter, temporalis, medial pterygoid, superior belly of lateral pterygoid (disc stabilization)

Question 7

which muscles do depression (opening)?

Answer 7

inferior belly of lateral pterygoid, suprahyoid muscles, infrahyoid muscles

Question 8

which muscles do protrusion?

Answer 8

superficial fibers of masseter, medial pterygoid, lateral pterygoid

Question 9

which muscles do retrusion?

Answer 9

deep fibers of masseter, temporalis, suprahyoid (digastric), superior belly of lateral pterygoid

Question 10

which muscles do lateral excursion (deviation)?

Answer 10

Ipsi: temporalis , masseter
Contra: medial and lateral pterygoid

Question 11

branches of external carotid artery

Answer 11

Transverse facial artery
Superficial temporal artery
Maxillary artery
External carotid artery
Lingual artery
Facial artery

Question 12

Branches of Maxillary artery

Answer 12

Infra-orbital artery
Buccal artery
Mental artery

Question 13

Trigeminal Nerve (V/5) Sensory)

Answer 13

Ophthalmic nerve (superior orbital fissure)
Maxillary nerve (foramen rotundum)
Mandibular nerve (foramen ovale)

Question 14

Facial Nerve VII/7 nerve supply

Answer 14

know posterior auricular nerve

but there are buccal, zygomatic, temporal , marginal mandibular, cervical, cervical facial, and temporofacial branches

Question 15

know dermatomes

Answer 15

ya bih

Question 16

3 signs of TMD

Answer 16

• orofacial pain
• restricted jaw function
• joint noise with or without pain: popping, locking, snapping

Question 17

what is bruxism?

Answer 17

grinding the shit out of yo teeth to where u got ninja turtle teeth

Question 18

head deformities

Answer 18

plagiocephaly: (diagonal head like flats from spongebob)
Brachycephaly: flat back head
Scaphocephaly: long ahh head

Question 19

Cranial nerve
OOOTTAFVGVAH

Answer 19

• Olfactory (smell)
• Optic (vision)
• Oculomotor (eye and pupil movemnt)
• Trochlear (eye movement)
• Trigeminal (face sensation and chewing)
• Abducens (eye movement)
• Facial (face mevement and taste)
• Vestibulocochlear (hearing and balance)
• glossopharyngeal (throat sensation, taste, and swallowing)
• Vagus (movement, sensation, and abdominal organs)
• accesory (neck movement)
• hypoglossal (movement, sensation, and abdomnal organs)

Question 20

SSMMBMMSBBMM

Answer 20

some, say, marry, money, but, my, mom, said, big, brains, matter, more

s= sensory
m= motor
b= both