Dental Radiography 3

5. exposure factor that affects the number of grays seen in the image
7. a sheet of ___ is positioned behind the film in the packet to shield the film from backscattered radiation
8. describes the many shades of gray on the image
10. adjacent tooth surfaces
13. a critical organ exposed during dental imaging
14. The ______ image is a pattern of stored energy on the exposed film or phosphor that cannot be seen.
16. the tightly sealed, heavy metal housing that contains the x-ray tube
18. the type of digital imaging that uses a storage phosphor

1. an image receptor using halide crystals to create the image
2. a small bump or nodule of bone
3. the SI unit measuring dose equivalent
4. intraoral image taken to view the tooth from apex to crown
6. ionized in the cell to form free radicals
9. surrounds the x-ray tube and absorbs the heat created by the production of x-rays.
11. term of time measurement referring to the the fact that x-rays are created in bursts or pulses
12. ______ energy keeps the electrons orbiting the nucleus of the atom.
15. a bony wall dividing a hollow space into two chambers
17. a source of radiation that includes radon in the air, cosmic rays, and rays from the sun