Center Ray
What is the center ray for waters facial bones?
OML angle?
perpendicular to exit the acanthion
37 degrees with IR
What is shown in a lateral orbits
Entire orbits and soft tissue for foreign body
Fracture of the orbital floor
How many facial bones are there
14
What technique do you use for a lateral nasal bones
CR angle for AP Axial TMJ
35 degrees caudal
What is shown in a lateral projection of the facial bones
all facial bones in entirety
Fracture causing skull to be depressed into the cranial cavity
Depressed
What are the smallest bones in the skull
Lacrimal Bones
What supports the roots of the teeth
Alveolar Processes
CR for a Reverse Waters
Perpendicular to acanthion
What is an exaggerated Caldwell done to show
Fracture of the base of the skull
Basil
Inferior to the floor of the maxillary sinuses
True or False
The ethmoid bone is a facial bone
False
Center ray for SMV mandible?
IOML?
Perpendicular centered midway between gonions
Parallel to IR
What is shown in the TMJ Law view
mandibular condyles and necks of mandible
Bilateral maxillary fracture
Le Fort
What is the respiration for all facial bones
Suspended
Where are you centered for a PA Mandibular Rami
Tip of nose
or
Acanthion
What is the CR for PA Axial Rami
20-25 degrees cephalic to exit the acanthion
What is shown in a waters projection facial bones
orbits, maxilla, zygomatic arches and petrous ridges below the maxillary sinus
Fracture of the zygoma, orbit and dislocation of frontal zygoma suture
Tripod
True lateral
What is the OML angle for a modified waters
55 degrees with IR