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facial bones

positioning

QuestionAnswer
For lateral projection of facial bones, what plane is perpendicular with the front edge of the IR? IOML
For lateral projection of the facial bones, where is the CR centered? zygomatic bone halfway btwn the outer canthus and the EAM
In the lateral projection of the facial bones, what is clearly demonstrated? all facial bones with the zygomatic in the center
What is the common name for the parietocanthial projection? Waters
When using the Waters projection, what angle is the OML at compared to the IR? 37 deg
When using the waters projection, which line is perpendicular to the IR plane? MML
For the Waters projection, what is centered to the IR? acamthion
In the Waters projection, which facial bones are clearly demonstrated? orbits, maxillae, zygomatic arches
When using the modified waters, what angle is the OML at? 55 deg
What is another name for theacanthioparietal projection? Reverse Waters
In the reverse waters, which plane is perpendicular to the IR? MML
What is the CR angle for the Reverse Waters? 0 deg
On a trauma patient when using the reverse Waters, how is the MML positioned to obtian the image? parrallel
For a lateral projection of the Nasal bones, what plane is parrallel to the IR midsagittal
Why do both sides need to be done when doing a lateral of nasal bones? for comparison
in the lateral projection of the nasal bones, which line is perpendicular to the IR? IOML
When doing an SMV projection of the zygomatic arches, which lines is perpendicular to the CR? IOML
Which projection demonstrates both of the zygomatic arches? SMV
in the tangential projection of the zygomatic arches, the head is positioned so that the midsagittal plane is? 15deg toward the side being examned
When using the tangential projection of the zygomatic arches, the top of the head is tilted? 15deg away from the side being examed
When using the tangential projection of the zygomatic arches, the CR is perpendicular to which line? IOML
In an AP axial projection of the zygomatic arch, which line is perpendicular to the IR? OML
In an AP axial zygoamtic arch where does the CR enteres? glabella, 1 in above the nasion
In an AP axial of zygomatic arch what is the CR angle? 30 deg caudad
Which projection clearly demonstrates any medial or lateral displacement fractures of mandibular rami? PA projection
What is the CR angle for the PA axial madiblar rami? 20-25 deg cephalad
What is the CR angle for the axiolateral oblique projection of the mandible? 25 deg cephalad
Which line is perpendicular to the IR for the AP axial TMJ? OML
CR angle for AP axial TMJ? 35 caudad
Midsagittal plane of the head is rotated ____ for axiolateral oblique projection of TMJ. 15 deg
Cr angle for axiolateral oblique TMJ? 25-30 deg caudal
For the Waters, what part of the face is touching the IR? tip of chin
Which line is parallel as possible to IF for SMV of zygomatic arch IOML
the CR is at what level for SMV of zygomatic arch? Perpendicular to IOML enter midsagittal plane of throat 1in post to outer canthus
CR at what level for tangential projection of zygomatic arch? perpendicular to IOML and centered to zygomatic arch at 1 in posterior outer canthus
_____ is perpendicular to the IR for PA & PA axial mandibular rami OML
How is the head positioned to demonstrate ramus at mandible? true lateral position
How is head positioned to demonstrate body of mandible? 30deg toward IR
How is the head positioned to demonstrate symphysis of mandible? 45 deg toward IR
________ projection best deomnstrates condyles & neck of mandible axiolateral oblique
Created by: erikasmith28