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the anterior piece of bone in front of the articular fossa
the space in the temporal bone where the condyle sites
a process off of the mandible that articulates with the temporal bone
completely encloses the TMJ and has 2 layers
what are the 2 layers of the joint capsule?
- fibrous exterior
- synovial membrane
layer of the joint capsule that gives it support
inner layer of connective tissue of the joint capsule
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
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?
true or false. with age, the disc of the joint can thin and make jaw movements uncomfortable
movement of the joint requires what 2 movements to fully open the mouth?
of the 2 movements of the TMJ, which one occurs first?
what are 2 disorders of the TMJ?
- temporomandibular disorder
the head of the condyle moves too far anteriorly and gets stuck past the articular eminence
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
- orthodontics to correct occlusal problems
What would you like to do?
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