Dental radiology chapter 2 quizlet

  • What is primary radiation quizlet dental?

    The lead drape put around the patient's neck to shield the thyroid gland during intraoral radiographic procedures.
    Primary radiation is the x-radiation that is produced at the target of the anode in the dental x-ray tube.
    Tertiary radiation is the radiation that comes from any matter struck by primary radiation..

  • What is the difference between PID and collimator?

    Lead collimator is a metal disc with a small opening in the center to control the size and shape of the x-ray beam as it leaves the tubehead.
    Position-indicating device (PID) is the open-ended, lead-lined cylinder that extends from the opening of the metal housing of the tubehead.
    It is used to aim the x-ray beam..

  • Primary radiation is the x-rays that come from the target of the x-ray tube.Secondary radiation is x-radiation that is created when the primary beam interacts with matter.Scatter is a form of secondary radiation.
    It results when an x-ray beam has been deflected from its path by interaction with matter.
  • The typical setting for intra-oral dental radiography is 60 kVp, 7 mA, with varying distance of 15–32 cm.
    The exposure time is selected according to tooth, age and the physical build of the individual.

What is the radiographic appearance of teeth with Type II lesions?

The radiographic appearance of teeth with type II lesions (yellow arrows)shows roots that have undergone variable replacement resorption and have a different radiographic density as compared to normal tooth roots


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