MIDTERM PT. 6 (FACIAL BONES PROJECTIONS) Flashcards
WHAT ARE THE PROJECTIONS/ METHOD FOR FACIAL BONES: (3)
- LATERAL PROJECTION
- PARIETOACANTHIAL PROJECTION/ WATERS METHOD
- PA AXIAL PROJECTION/ CALWELL METHOD
LATERAL PROJECTION: REFERENCE POINT
ZYGOMA
LATERAL PROJECTION: STRUCTURE SHOWN
LATERAL VIEW OF THE FACIAL BONE
WHAT IS THE POSITION FOR THE PARIETOACANTHIAL PROJECTION/ WATERS METHOD
EXTEND THE NECK
RESTING THE CHIN AGAINST THE BUCKY
A PROJ/ METHOD: CHIN RESTING AGAINST THE BUCKY SURFACE
PARIETOACANTHIAL PROJECTION/ WATERS METHOD
PARIETOACANTHIAL PROJECTION/ WATERS METHOD: ADJUST THE ___ UNTIL ___ IS PERPENDICULAR TO THE IR
HEAD
MML
PARIETOACANTHIAL PROJECTION/ WATERS METHOD:
OML WILL FORM ___ ABGLE WITH THE BUCKY SURFACE
37 DEGREES
PARIETOACANTHIAL PROJECTION/ WATERS METHOD: CR
CR IS ___ TO THE IR, EXIT AT ___
PERPENDICULAR
ACANTHION
PARIETOACANTHIAL PROJECTION/ WATERS METHOD: STRUCTURE SHOWN
PETROUS PYRAMIDS LYING INFERIOR TO THE ANTRAL FLOORS
INFERIOR ORBITAL RIM
MAXILLAE
NASAL SEPTUM
ZYGOMATIC BONES & ARCHES
ANTERIOR NASAL SPINE
PARIETOACANTHIAL PROJECTION/ WATERS METHOD: BEST METHOD TO DEMONSTRATE ___
FACIAL BONE
PA AXIAL PROJ./ CALDWELL METHOD: STRUCTURE SHOWN
ORBITAL RIMS
MAXILLAE
NASAL SEPTUM
ZYGOMATIC BONES
ANTERIOR NASAL SPINE
WHAT PROJ/ METHOD: THAT SHOWS FOREIGN BODY (E.G GLASS ETC.)
MODIFIED WATER (SHALLOW)
are the second most common facial bone fracture after nasal bone injuries.
TRIPOD FRACTURE
a separation of the hard palate from the upper maxilla due to a transverse fracture running through the maxilla and pterygoid plates at a level just above the floor of the nose.
LEFORT FRACTURE