facial bones
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49 Terms
14
how many facial bones are there
what bones form the bridge of the nose
nasal bones
lacrimal bones
smallest bones of the skull
lacrimal bones
what bones for lacrimal fossa with maxilla
maxillary
largest immovable bones of the face
zygomatic bones
prominence of cheek, part of side wall and floor of orbit, zygomatic arch with temporal bone
palatine bones
l shaped with horizontal and vertical plates, part of roof of mouth and posterior nasal cavity, tip of vertical plate forms part of posteromedial orbit
inferior nasal conchae
long thin scroll like appearance, warm moisten clean inhaled air
vomer
floor of nasal cavity, forms inferior nasal septum
MSP and IOML
what planes are parallel for facial bones lateral projection
IP
what line is perpendicular to the IR for a lateral projection facial bones
zygoma halfway between outer canthus and EAM
where does the CR enter for a lateral facial bones
sella turcica and facial bones
what is all included in the facial bones lateral projection
evaluation criteria for lateral projection of facial bones
superimposition of facial bones, superimposed orbital roofs and sella turcica in profile
37 degrees to the IR
What degree of angulation is the OML for the parietoacanthial projection waters method
MML
what plane is almost perpendicular to the Ir for the parietoacanthial projection waters method
acanthion
where does the CR exit for the parietoacanthial projection waters method
evaluation criteria for parietoacanthial projection waters method
petrous ridges should be below the maxillary sinuses, orbits, maxillae, zygomatic arches should be demonstrated, entire orbits and facial bones
55 degrees from the IR
what degree of angulation is the OML for the modified parietoacanthial projection waters method
acanthion
where does the CR exit for the modified parietoacanthial projection waters method
middle of the maxillary sinuses
where are the petrous ridges for the modified parietoacanthial projection waters method
acanthioparietal projection reverse waters method
what view is like the parietalcanthial water projection but done in a trauma
37 degree angle
what is the angulation of the OML for the acanthioparietal projection reverse waters method
MML and MSP
what planes are perpendicular to the ir for the acanthioparietal projection reverse waters method
acanthion
where does the cr enter for the acanthioparietal projection reverse waters method
evaluation for the acanthioparietal projection reverse waters method
same as the waters but more magnified
OMl
what plane is perpendicular to the IR for the PA axial projection caldwell method
15 caudal
tube angle for the PA axial projection caldwell method
nasion
where does the cr exit for the PA axial projection caldwell method
lower 1/3 of the orbit
where are the petrous ridges for the PA axial projection caldwell method
IOML and MSP
what planes are parallel to the IR for the lateral projection of nasal bones
IP
what plane is perpendicular to the IR for the lateral projection of nasal bones
bridge of the nose ½ inch distal to nasion
CR for the lateral projection of the nasal bones
lateral projections of the nasal bone
what projection is done table top
glabella-ancanthion and 1/3 past tip of nose
collimation for the lateral projection of the nasal bones
evaluation criteria of lateral nasal bones
nasal bone, anterior nasal spine, frontonasal suture, both sides for comparison, soft tissue still seen
IOML
what plane is parallel for the zygomatic arches SMV projection
perpendicular to IOML and enters at MSP of throat at level 1 inch posterior to outer canthus
where does the CR enter for the zygomatic arches SMV projection
evaluation criteria for the zygomatic arches SMV projection
bilateral symmetric SMV images of zygomatic arches, zygomatic arches from overlying structures, mandible over skull
IOML
what plane is parallel to the IR for the zygomatic arches tangential projection oblique inferosuperior
MSP 15 degrees toward side of interest
what is the rotation for the zygomatic arches tangential projection oblique inferosuperior
15 degrees away from side being examined
what is the tilt for the zygomatic arches tangential projection oblique inferosuperior
centered at zygomatic arch 1 inch posterior to outer canthus
where does the CR enter for the zygomatic arches tangential projection oblique inferosuperior
evaluation criteria for the zygomatic arches tangential projection oblique inferosuperior
one zygomatic arch free of superimposition
OML
what plane is perpendicular to the IR for the zygomatic arches ap axial projection modified towne method
glabella @ 1 inch above nasion
where does the CR enter for the zygomatic arches ap axial projection modified towne method
30 caudad
what is the tube angle for the zygomatic arches ap axial projection modified towne method
37 and perpedicular to IOML
if patient can not bend for the zygomatic arches ap axial projection modified towne method what angle and line is perpendicular
evaluation criteria for zygomatic arches ap axial projection modified towne method
no overlap of zygomatic arches by mandible, symmetric arches