embryology

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Author:
sweetpea281
ID:
50883
Filename:
embryology
Updated:
2010-11-21 13:04:34
Tags:
ch19
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Description:
temporomandibular joint
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  1. what are the five parts of the TMJ
    • articular eminence
    • articular fossa
    • condyle
    • joint capsule
    • disc of the joint
  2. what is the anterior piece of bone in front of the articular fossa?
    articular eminence
  3. what bone is the articular eminence a part of?
    temporal bone
  4. what is the space in the temporal bone where the condyle sits?
    articular fossa
  5. what is the process off the mandible that articulates with the temporal bone
    condyle
  6. what completely encloses the TMJ?
    joint capsule
  7. what are the two layers of the joint capsule
    • fibrous exterior
    • synovial membrane
  8. what is the purpose of the fibrous exterior of the joint capsule?
    gives support
  9. what is the synovial membrane layer of the joint capsule?
    inner layer of connective tissue. has nerves and blood vessels that supply the joint. it secretes synovial fluid that helps to lubricate the joint
  10. what secretes the synovial fluid in the joint capsule?
    synovial membrane
  11. what is the inner layer of the joint capsule?
    synovial membrane
  12. where are the nerves and blood vessles that supply the joint located?
    synovial membrane
  13. which part of the joint capsule is connective tissue?
    synovial membrane
  14. which part of the TMJ is fibrous connective tissue?
    disc of the joint
  15. what sits between the condyle and the articular fossa
    disc of the joint
  16. the disc of the joint completely divides the joint into two sections called what?
    synovial cavities
  17. the synovial cavities completely ______ the joint into _____ _____
    • divides
    • two sections
  18. what can make the disc of the joint thin, making jaw movement uncomfortable
    age
  19. movement of the joint requires both ____ and ____ to fully open the mouth
    gliding and rotation
  20. what is the 1st movement made with the TMJ when opening the mouth?
    rotating
  21. what is the 2nd move of the TMJ when opening the mouth?
    gliding
  22. what are two disorders of the TMJ?
    • subluxation
    • temporomandibular disorder (TMD)
  23. what is it called when the head of the condyle moves too far anteriorly and gets stuck past the articular eminence?
    subluxation
  24. what is the treatment for subluxation
    relax the muscles with time or medication and carefully move the mandible downward and back
  25. what are 5 symptoms of TMD?
    • chronic joint tenderness
    • painful muscle spasms
    • limited or deviated opening
    • headaches
    • locking open or close
  26. what 4 ways to treat TMD?
    • relaxation therapy
    • muscular exercises
    • nightguards
    • ortho to correct occlusal problems

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