Jennifer Hodges

  1. what type of joint movement occurs with the tempormandibular joint?
  2. An infection of the teeth may travel upward and involve which sinus cavities?
    Maxillary Sinuses
  3. The mental foramen is a passage way for what?
    Nerves and blood vessels
  4. What are the foramina found within the orbits?
    • Optic Foramen
    • Superior Orbital Fissure
    • Inferior Orbital Fissure
  5. Where are the Sphenoid Sinuses located?
    Behind the Ethmoid Sinuses and Below the Sella Turcica
  6. What is the posterior aspect of the orbit termed?
  7. What is the rim of the orbit that corresponds to the outer circular portion of the cone of the eye called?
  8. Which two (2) bones form the bony nasal septum?
    Ethmoid and Vomer
  9. Which facial bones form the majority of the hard palate?
    Maxillary Bones
  10. How many facial bones make up the orbit?
  11. How many Cranial bones make up the orbit?
  12. How many bones total make up the orbit?
  13. What is the largest immovable bone of the face?
    Maxillae or Maxillary Bones
  14. What is a fracture of the floor of the orbit caused by an object striking the eye straight on. (gives perception of two images?
    Blow Out fracture
  15. What is a fracture caused by a blow to the cheek, resulting in fracture of the zygoma in three different places? Results in a fre floating Zygomatic Bone?
    Tripod Fracture-Orbital and Maxillary Processes and the arch
  16. What describes several bilateral horizontal fractures of the maxillae that may result in an unstable detached fragment?
    Le Fort Fracture
  17. What is fracture to one side of a structure that is caused by an impact on the opposite side?
  18. Where are the Petrous Ridges when performing a PA Caldwell Facial Projection?
    In the Lower 1/3 of the orbits
  19. What holds the teeth?
    Alveolar Processes of each Maxilla
  20. What is a line located between the outer canthus and the EAM?
    Orbitomeatal Line(OML)
  21. What line is formed by the infraorbital margin and the EAM?
    Infraorbitomeatal Line(IOML)
  22. What line is formed by the acanthion and the EAM?
    Acanthiomeatal line(AML)
  23. What line is formed by the Mentomeatal Line and the EAM?
    Mentomeatal Line(MML)
  24. What forms the line between the lips and the EAM?
    Lipsmeatal Line(LML)
  25. What line is formed by connecting the glabella to the alveolar process of the maxilla?
    Glabelloalveolar Line(GAL)
  26. Where is the CR for a lateral facial bone?
    At the Zygoma and Midway between the EAM and Outer Canthus
  27. How do you position for a Parietocanthial Projection(Waters) Facial Bone?
    • MML-Perpendicular to IR
    • CR-Exits Acanthion
  28. How do you center for a PA Axial(Caldwell Method) Facail Bones?
    • OML-Perpendicular to IR
    • CR-15* Caudad
    • CR-Exit at Nasion
  29. Where are the petrous ridges for a Parietoacanthial (Waters) Method for Facial Bones
    BELOW the Maxillary Sinuses
  30. Which posistion best shows BOTH Zygomatic Arches?
  31. How should sinuses be performed?
    Erect with horizontal to beam to show air-fluid levels
  32. Which projection best shows the optic foramen?
    Parieto-orbital oblique (rhese method)
  33. What projection best shows the floor of the orbits (blowout fracture)?
    Modified Waters Projection
  34. Which projection best views the single zygomatic arch?
    Oblique Inferiorsuperior projection (tangential)
  35. Which projection best shows the image of the nasal bones and nasal septum?
    Lateral(Nasal Bone)
  36. Which position best shows the inferior orbital rim, maxillae, nasal septum, nasal spine, zygomatic bone and arches?
    Parietoacanthial (Waters)
  37. How much of a difference is the degree between OML and IOML?
    7-8 Degrees
  38. Which soft landmark is found at the base of the anterior nasal spine?
  39. Why are nasal bones done on both sides?
    Lateral-For comparison
Card Set
Jennifer Hodges
Facial Bones and Sinuses, Final Test