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Recent Advances Digital Imaging

  • After the Discovery of X-rays by Roentgen in 1895,traditional 2-D cephalographs also known as Roentgenographic cephalometry  was       introduced by Broadbent 36 years later. With the arrival of the cephalometric technique and its increasing popularity clarification of the anatomic basis for malocclusions became possible.
  • Film-based imaging consists of X-ray interaction with electrons in the film emulsion, production of a latent image, and chemical processing that transforms the latent image into a visible one. As such, radiographic film provides a medium for recording, displaying, and storing diagnostic information. Film-based images are described as analog images. Analog images are characterized by continuous shades of gray from one area to the next between the extremes of black and white

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