& Practice Questions with Answers)
What devices are included in dental film holders? - correct answer ✔✔Beam alignment devices
(e.g., Rinn XCP) and positioning instruments (bite-block, EeZee-Grip, EndoRay).
In which film layer are silver halide crystals found? - correct answer ✔✔The gelatin that
suspends the emulsion.
By what percentage does F-speed film reduce exposure compared to D-speed? - correct answer
✔✔60%
What is the most common film size for adult intraoral dentistry? - correct answer ✔✔Size 2
Which type of film is considered extraoral? - correct answer ✔✔Cephalometric
Which side of a cassette faces the patient? - correct answer ✔✔The front side.
What device increases radiation effect and reduces exposure time for extraoral films? - correct
answer ✔✔Intensifying screen
Which step hardens the film emulsion? - correct answer ✔✔Fixing
Automatic processing requires what compared to manual processing? - correct answer ✔✔Less
equipment
What causes reticulation in films? - correct answer ✔✔Sudden temperature change between
developer and water bath