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  • Absorbed radiation dose (total ionizing dose, TID)

    The quantity of ionizing radiation (measured in joules [unit of energy] per kilogram or gray [GY] units) that a patient absorbs during diagnostic or therapeutic radiation. The absorbed dose is dependent upon 1, the incident radiation and 2, the absorbing material (i.e., an X‐ray beam may deposit four times the radiation dose in bone as…

  • Wandering a

    Abscess in which purulent material flows along a course of decreased resistance and discharges at a distant point.  

  • Residual a

    Abscess produced by the residues of a previous inflammatory process.  

  • Pulpal a

    Inflammation of the dental pulp characterized by the formation of purulent exudate.  

  • Periodontal a (Parietal a)

    Periodontal a (Parietal a)

    Localized purulent inflammation in the periodontal tissues, also called lateral periodontal abscess.  

  • Pericoronal a

    Pericoronal a

    A localized purulent infection within the tissue surrounding the crown of a partially erupted tooth.  

  • Gingival a

    Gingival a

    A localized purulent infection that involves the marginal gingiva or interdental papilla.  

  • Chronic a

    Abscess of comparatively slow development with little evidence of inflammation. There may be an intermittent discharge of purulent matter. Long‐standing collection of purulent exudate. It may follow an acute abscess.  

  • Apical a

    Apical a

    Inflammatory condition characterized by formation of purulent exudate involving the dental pulp or pulpal remnants and the tissues surrounding the apex of a tooth.  

  • Abscess (Acute a)

    Abscess (Acute a)

    An abscess of relative short duration, typically producing pain and local inflammation.  

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