P LAB1

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Across
  1. 5. is the transmission of energy through space and matter.
  2. 9. Father of Panoramic Radiography
  3. 10. is the emission of light (photons) by a material after it has absorbed higher-energy light.
  4. 12. He pioneered the use of film in intraoral radiography.
  5. 15. the term that Roentgen used on his first radiograph wherein he placed his wife's hand on the photographic plate for 15 minutes
  6. 16. is made up of a molybdenum focusing cup that contains a tungsten filament similar to that of a light bulb.
  7. 17. In 1913, he pioneered the bitewing technique and contributed to one of the first dental radiography textbooks.
  8. 18. He discovered X-ray and considered as the father of X-rays
  9. 21. He was the first to write a study on the risks of radiation.
Down
  1. 1. this company innovated the x-ray machine in 1933
  2. 2. it uses a special technique to provide three-dimensional (3-D) pictures of dental structures, soft tissues, nerve routes, and bone in the craniofacial region in a single scan.
  3. 3. consists of a thin tungsten button set in a rod of copper, the other end of which is attached to a radiator or some other cooling device, such as an oil bath, outside of the glass tube.
  4. 4. a photographic image of an object made with the use of x-rays instead of light
  5. 5. A _______ area on a radiograph is one that appears black and denotes soft tissue or a space.
  6. 6. father of modern dental radiography
  7. 7. it is seen as white or light-colored area of the radiograph.
  8. 8. He was the first in U.S. to exposed the 1st dental radiograph on a live patient & he also introduced the paralleling technique.
  9. 11. is a vacuum-sealed glass container that could transport electricity. The original model incorporated positive and negative electrodes as well as an induction coil that carries current. This invention paved the way for the discovery of x-ray.
  10. 13. production of a photographic image of an object through the use of x-rays
  11. 14. are a type of electromagnetic radiation that could pass through solid substances such as the human body.
  12. 19. a field of medicine involved with the identification and treatment of disease by the use of radiant light (such as X-rays) or radioactive substances
  13. 20. the date when Roentgen discovered x-ray