SUR 105 - Test 1

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Author:
jb124
ID:
193886
Filename:
SUR 105 - Test 1
Updated:
2013-01-25 15:47:18
Tags:
oral maxillofacial surgery
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Description:
oral/maxillofacial surgery
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  1. metal plates wired to the teeth to occlude the jaw during maxillofacial surgery or during healing, maintain normal bite
    arch bars
  2. incision made between frontal and parietal bones bilaterally
    bicoronal incision
  3. screws that penetrate both cortical layers and intervening spongy layer of bone
    bicortical screws
  4. severe fracture of orbital cavity in which portion of globe may extrude outside cavity
    blowout fracture
  5. number, type, and pattern of teeth
    dentition
  6. horizontal fracture of maxilla that causes hard palate and alveolar process to become separated from the rest of the maxilla
    Le Fort I fracture
  7. fracture extending from nasal bone to frontal processes of maxilla, lacrimal bones, and inferior orbital floor
    Le Fort II fracture
  8. fracture involving separation of all facial bones from cranial base
    Le Fort III fracture
  9. chewing
    mastication
  10. wiring of patient's teeth with arch bars
    maxillomandibular fixation (MMF)
  11. patient's bite pattern when jaw is closed
    occlusion
  12. tooth extraction
    odontectomy
  13. surgery involving bones of face
    oromaxillofacial surgery
  14. skin incision made approximately 2 mm inferior to lower eyelids
    subciliary incision
  15. incision made through conjunctiva
    transconjunctival incision
  16. bone plate with retaining posts used in procedure for dental implants
    transosteal implant
  17. upper face is composed of?
    frontal bone
  18. superior margin of bony orbit is formed by?
    frontal bone
  19. midface composed of?
    • ethmoid
    • nasal bone
    • zygoma
    • maxillary bones
  20. bone that contributes to floor of cranium and contains a number of sinus cavities
    ethmoid bone
  21. bone that forms the bridge of the nose and articulates with ethmoid and maxilla
    nasal bone
  22. forms lateral walls and floor of bony orbit
    zygoma
  23. what is the zygomatic arch?
    cheekbone
  24. lower face composed of?
    mandible
  25. only movable bone of the face
    mandible
  26. from what is mandible suspended?
    temporal bone
  27. bony outgrowth of palatine bones or mandible
    torous palatinus/torus mandibularis
  28. facial trauma most commonly caused by?
    assault and MVA
  29. bacterial infection and structural damage to teeth
    dental caries
  30. malposition of upper and lower jaw
    malocclusion
  31. congenital defect resulting in abnormally small lower jaw
    mandibular micrognathia
  32. undergrowth of maxilla
    maxillary hypoplasia
  33. primary means of repairing facial fractures
    plates and screws
  34. plate and screw sizes for mandibular fractures
    at least 2 mm in size
  35. plate and screw sizes for midface, orbital, and frontal sinus fractures
    1 to 2 mm
  36. most common causes of facial fractures
    assault, MVA, and sports
  37. how are facial fractures prepped?
    with dilate Betadine scrub and paint - safest and most effective antiseptic for face
  38. what area is prepped for facial fractures?
    entire face from hairline to sternal notch
  39. what types of sponges may be used?
    4x4 and cottonoids
  40. dressing that may be applied directly over site
    Telfa or other nonadherent dressing
  41. wrap dressings that may be used
    Kerlix
  42. if arch bars remain postop, what is sent with patient?
    wire cutters - in event of airway emergency
  43. anesthesia given for ORIF for midface fracture
    general anesthesia through NG tube
  44. suture used to close midface ORIF
    3-0 absorbable
  45. midface ORIF healing
    6 to 8 weeks
  46. why is ORIF of frontal sinus fracture performed?
    to repair CSF leakage, prevent obstruction of frontal sinus ducts, and restore aesthetic contour to forehead
  47. why is ORIF of orbital floor fracture performed?
    to reduce fracture of orbital floor, prevent entrapment of extraocular muscles, and to support orbital contents
  48. portion of globe extruding into the nasal sinus
    enophthalmus
  49. what can entrapment of the eye muscles result in?
    diplopia (double vision)
  50. most common causes of injury to orbital floor
    assault and being struck by high-velocity object
  51. what is instilled into the eye to provide moisture?
    BSS
  52. most common cause of mandibular fracture
    assault
  53. 3 types of dental implants
    • endosteal
    • subperiosteal
    • transosteal
  54. implant in alveolus of maxilla or mandible and then covered with soft tissue
    endosteal implant
  55. implants placed beneath the periosteum directly on alveolar bone
    subperiosteal implant
  56. bone plates with retaining posts resembling a staple - used only when patient has severe loss of bone in mandibular alveolar ridge
    transosteal implant
  57. why is mandibular advancement performed?
    to correct bony deformity of mandible
  58. why is midface advancement performed?
    to correct bony deformity of maxilla
  59. why is temporomandibular joint arthroplasty performed?
    to reduce pain and increase mobility of joint
  60. bruxism
    grinding of teeth

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