Dental Radiology Flashcards
What affects the density the most on the radiograph?
KVP & exposure time
What is the minimum distance to stand away from the X-ray head when taking X-rays?
6 ft minimum
Contrast is most greatly affected by which control factor?
KVP
What is a cephalomograph?
An X-ray of the skull
What is the purpose of a cephalomograph?
To measure the skull
Common for ortho & oral surgery
What view does a panoramic radiograph provide?
View of the entire maxilla & mandible on a single film
Common for ortho & oral surgery
If a small child needs X-Rays & cannot hold the film, who may hold it for them?
Parent or guardian
That does not work with radiation
What is the purpose of the collimator?
Narrow & limit the beam to 2 3/4” in diameter to limit the area of the X-ray exposure
What is the ideal developing temp & time?
68 degrees F
5 min
What type of intraoral film is used to help diagnose bone levels & interproximal caries?
Bite wing X-rays
What causes cone cut?
Not directing central ray to the center of the film
What causes overlap?
Incorrect horizontal angulation
What causes elongation?
Insufficient (not enough) vert angulation
What measures radiation received by the operator?
Dosimeter
Can gingivitis be detected on the X-ray?
No
Only bone loss or resorption
