Term
Describe the purpose and uses of panoramic radiography |
|
Definition
Is an extraoral radiographic technique that is used to examine the upper and lower jaws on a single film showing large gross anatomy such as cysts tumors ect |
|
|
Term
What are the fundamentals of panoramic radiography?
|
|
Definition
|
|
Term
describe the equipment used in panos |
|
Definition
panoramic x-ray unit screen film intensifying screen cassette
|
|
|
Term
Describe patient preparation, positioning, and equipment |
|
Definition
|
|
Term
|
Definition
imaginary plane that psses through the top of the ear canal and the bottom of the eye socket |
|
|
Term
|
Definition
a three-dimensional curved zone in which structures are clearly demonstrated on a pano |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
Lip and tongue positioning errors |
|
Definition
radiolucent shadow will be superimposed over the apices of the maxillary teeth |
|
|
Term
Positioning of frankfort plane upward/downwards |
|
Definition
less detail in the maxillary incisor region maxillary incisor appear blurred and magnified "reverse smile line"
mand. incisor appears blurred loss of detail in ant apical regions mandibular condyles may not be visible "pumpkin smile"
|
|
|
Term
Describe the result of teeth too far into the trough |
|
Definition
|
|
Term
Bite to far out of the trough |
|
Definition
|
|
Term
Describe the best use for pano's |
|
Definition
|
|
Term
Why is rare earth recommended on intensifying screens? |
|
Definition
requires less x-rays lowering pt exposure |
|
|
Term
Why are thyroid collars to recommending for pt having a pano taken |
|
Definition
|
|
Term
the imaginary line that passes from the bottom of the eye socket through the top of the ear canal is termed the |
|
Definition
|
|