Embryology

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Author:
sthomp88
ID:
50785
Filename:
Embryology
Updated:
2010-12-06 02:04:15
Tags:
Chapter nineteen
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Description:
temporomandibular joint 1
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  1. the anterior piece of bone in front of the articular fossa
    articular eminence
  2. the space in the temporal bone where the condyle sites
    articular fossa
  3. a process off of the mandible that articulates with the temporal bone
    condyle
  4. completely encloses the TMJ and has 2 layers
    joint capsule
  5. what are the 2 layers of the joint capsule?
    • fibrous exterior
    • synovial membrane
  6. layer of the joint capsule that gives it support
    fibrous exterior
  7. inner layer of connective tissue of the joint capsule
    synovial membrane
  8. Where does the TMJ get its nutritional supply?
    from the nerves and blood vessels in the synovial membrane layer of the joint capsule
  9. a fluid secreted by the synovial membrane that lubricates the TMJ
    synovial fluid
  10. fibrous connective tissue that sits between the condyle and the articular fossa
    disc of the joint
  11. completely divides the joint into 2 sections called synovial cavities
    disc of the joint
  12. The disc of the joint divides the joint into 2 sections called what?
    synovial cavities
  13. true or false. with age, the disc of the joint can thin and make jaw movements uncomfortable
    true
  14. movement of the joint requires what 2 movements to fully open the mouth?
    • gliding
    • rotation
  15. of the 2 movements of the TMJ, which one occurs first?
    rotation
  16. what are 2 disorders of the TMJ?
    • subluxation
    • temporomandibular disorder
  17. the head of the condyle moves too far anteriorly and gets stuck past the articular eminence
    subluxation
  18. How do you treat someone with subluxation?
    relax the muscle (with time or medication) and then carefully move the mandible down and back
  19. What are 4 possible symptoms of temporomandibular disorder (TMD)?
    • chronic joint tenderness
    • painful muscle spasms
    • limited or deviated opening
    • MAYBE headaches
  20. What are 4 possile treatments for temporomandibular joint disorder (TMD)?
    • relaxation therapy
    • muscular exercises
    • nightgaurds
    • orthodontics to correct occlusal problems

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