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27 Cards in this Set

  • Front
  • Back
tmj stands for ...
temporomandibular joint
the bones of the tmj are:
1.
2.
3.
condylar process of the mandible
mandibular fossa fo the temporal bone
articular tubercle (eminence) of the temporal bone
the cartilage in the tmj is called ...
articular disc
identify the labeled structures:
1.
3.
9.
1. condylar process
3. coronoid process
9. mental foramen
a. ligament
b. mandible
c. temporal
identify the labeled structures:
a.
b.
c.
what kind of joint is tmj?
2 synovial joints
name the 2 joints of tmj:
1.
2.
superior
inferior
what is the action of the 2 tmj joints and what kind of joints are they:
Superior:
a. Gliding joint
(1) protrusion
(2) retrusion
Inferior:
b. Hinge joint
(1) Depression (opening)
(2) Elevation (closing)
superior joint
inferior joint
identify the labeled structures:
a.
b.
identify the labeled structures:
a.
b.
c.
is the mouth opened or closed?
a. mandibular condyle
b. articular eminence
c. disk
closed
identify the labeled structures:
a.
b.
c.
d.
e.
a. zygomatic arch
b. glenoid fossa
c. external auditory meatus
d. lateral pterygoid muscle
e. tmj disk
arterial supply to tmj ...
deep auricular artery
motor supply to tmj ...
none, it is a joint
innervation to tmj ...
auriculotemporal nerve (sensory)
what nerves are vulnerable during surgery to the tmj?
facial n. (VII) overlies TMJ
list the muscles of mastication for closing the mouth:
1.
2.
3.
4.
1. Temporalis
2. Masseter
3. Medial pterygoid
4. Lateral pterygoid
what are the functions of lateral pterygoid:
1.
2.
1. protraction, depression, lateral movement
2. stabilize disc during retraction
identify the labeled structures:
a.
b.
c.
d.
e.
f.
g.
h.
a. temporalis
b. zygomatious
c. buccinator
d. orbicularis oris
e. platysma
f. masseter
g. lateral pterygoid
h. medial pterygoid
name the muscles of mastication that are involved in opening the mouth:
1.
2.
3.
1. suprahyoid
2. infrahyoid
3. lateral pterygoid
the muscles of mastication involved with opening the mouth, move the jaw in ... planes
all 3
what is the blood supply to the muscles of mastication?
Maxillary Artery
identify the labeled structures of the maxillary artery:
a. superficial temporal
b. middle meningeal
c. post. deep temporal
d. pterygoid
e. ant. deep temporal
f. sphenopalatine
g. infraorbital
h. external carotid
i. inferior aveolar
j. pterygoid
k. masseteric
l. buccinator
m. post. sup. alveolar
V1 = sensory/motor/mixed
V2 = sensory/motor/mixed
V3 = sensory/motor/mixed
sensory
sensory
mixed (supplies 4 mm. of mastication)
identify the labeled branches of trigeminal nerve:
a.
b.
c.
d.
e.
f.
g.
identify the labeled muscle:
h.
a. mental
b. nerve to mylohyoid
c. lingual
d. inferior alveolar
e. chorda tympani (cn7)
f. deep temporal
g. buccal nerve
h. medial pterygoid
in trigeminal neuralgia, the pain radiates ... or ...
over the mandible, around tmj, deep to external ear
up nostril, around inferior aspect of orbit
trigeminal neuralgia is caused by pressure on or interruption of the blood supply of the ...
trigeminal ganglion
a lesion of the motor root of the mandibular nerve may result in ... and deviation of the jaw on ... toward the injured nerve
weakness of muscles of mastication
protrusion