NDAEB Exam Prep Accurate 100%

What two basic methods are used to acquire a digital x-ray image? - ANSWER Direct imaging(sensor) & indirect imaging(PSP) Advantages of Digital Radiography - ANSWER Immediate viewing of images, less radiation, no chemicals, ability to enhance images, communication with other dentists, no more lost films, remote consultation capability Disadvantages of Digital Radiography - ANSWER Cost, converting previous records to digital, learning the computer software, thickness and rigidity of sensors, infection control What is intraoral film composed of? - ANSWER Film Base - Clear Cellulose Acetate Thin Adhesive Layer Silver Halide Crystals - absorb radiation A protective layer to protect the emulsion surface. What is a latent image? - ANSWER The image on the film that is not yet visible because it has not been processed. What does 'film speed' refer to? - ANSWER The amount of radiation that is required to produce a radiograph of standard density. True or false: The larger the silver halide crystals, the faster the film speed? - ANSWER True What is the fastest film speed currently available? - ANSWER F-Speed. (It reduces patient exposure to radiation by 20-60% compared to E or D speed film) What are the 3 types of x-ray film used in dental radiography? - ANSWER Intraoral film, extraoral film, and duplicating film.