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Ceph – landmarks

  • Introduction
  • Radiation physics
  • Radiation biology
  • Radiographic techniques
  • Specialized radiographic techniques
  • Diagnostic imaging of TMJ
  • Maxillary canine projections
  • Conclusion
  • I.  BREMSSTRAHLUNG  RADIATION.
  • If  High speed electrons hits the nuclei of a target atom, all its kinetic energy is transformed in to single X Ray Photon.
  • The energy  of the resultant photon is numerically equal to the energy of the electron.
  • II. CHARACTERISTIC RADIATON.
  • It occurs when an electron from a filament displaces an electron from a shell of a tungsten target atom. When the displaced electron is replaced by the outer-shell electron, a PHOTON is emitted with an energy equivalent to the difference in the two orbital binding energies.

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