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