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the anterior piece of bone in front of the articular fossa
articular eminence
the space in the temporal bone where the condyle sites
articular fossa
a process off of the mandible that articulates with the temporal bone
condyle
completely encloses the TMJ and has 2 layers
joint capsule
what are the 2 layers of the joint capsule?
fibrous exterior
synovial membrane
layer of the joint capsule that gives it support
fibrous exterior
inner layer of connective tissue of the joint capsule
synovial membrane
Where does the TMJ get its nutritional supply?
from the nerves and blood vessels in the synovial membrane layer of the joint capsule
a fluid secreted by the synovial membrane that lubricates the TMJ
synovial fluid
fibrous connective tissue that sits between the condyle and the articular fossa
disc of the joint
completely divides the joint into 2 sections called synovial cavities
disc of the joint
The disc of the joint divides the joint into 2 sections called what?
synovial cavities
true or false. with age, the disc of the joint can thin and make jaw movements uncomfortable
True
False
true
movement of the joint requires what 2 movements to fully open the mouth?
gliding
rotation
of the 2 movements of the TMJ, which one occurs first?
rotation
what are 2 disorders of the TMJ?
subluxation
temporomandibular disorder
the head of the condyle moves too far anteriorly and gets stuck past the articular eminence
subluxation
How do you treat someone with subluxation?
relax the muscle (with time or medication) and then carefully move the mandible down and back
What are 4 possible symptoms of temporomandibular disorder (TMD)?
chronic joint tenderness
painful muscle spasms
limited or deviated opening
MAYBE headaches
What are 4 possile treatments for temporomandibular joint disorder (TMD)?
relaxation therapy
muscular exercises
nightgaurds
orthodontics to correct occlusal problems
Author
sthomp88
ID
50785
Card Set
Embryology
Description
temporomandibular joint 1
Updated
2010-12-06T07:04:15Z
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