Chapter 38
Wilhelm Conrad Roentgen
Who discovered x-rays in 1895?
4 Feet
What is a safelight distance and where the films are unwrapped?
Who is responsible to discuss the need for dental imaging
Who is the Dentist?
Incorrect horizontal angulation will result in
What is overlapping contact areas?
What is the appearance of a ghost image
What is image will appear larger than normal, and on the opposite side of the image?
6 Feet
What is a safe distance without a barrier?
Extraoral film in a cassette must be loaded and processed
When should you remove instruments from a package
What is after the patient is seated?
Beginning x-ray with posterior teeth should start where
What is maxillary premolar?
Posteroanterior projection shows
What is the frontal and ethmoid sinuses, the orbits, and the nasal cavities?
This must be placed in sight of patients and sight of personnel's when x-rays are taken.
Green-sensitive
What is a cassettes that have rare earth intensifying screens?
Exposed film or psp removed from a patients mouth then should be
What is wiped free of saliva using a dry gauze or paper towel?
Where is the dot on the film placed
What is dot in the slot?
Cephalostat
What is pan x-ray unit may also be fitted with a special device?
Two ways to store a lead apron
What is hang up or draped over a bar?
Lighter than normal radiograph
What is too weak of developer?
Most important component in film processing quality
What is maintaining the freshness of the processing solution?
Failure to center the center ray of the x-ray beam will cause
What is cone cut?
Purpose of the head positioner is to position the patient correctly in
What is the focal trough?
Braking Radiation
What is the primary kind of radiation produced in the dental xray tubehead?
When developer solution is warmer than 83o F the film will
name 3 informed consent the patient must be provided before x-rays
What is risk and benefits of the image, person who will be exposing, and consequences of not having the image?
What is the difference between paralleling technique and the bisecting technique
What is the position?
What is the patient teeth positioned too far back on the bite-block?