| periapical radiograph n. A radiograph showing tooth apices and surrounding structures in a particular intraoral area. |
periapical radiograph,
a dental x-ray film used to detect changes in the bone surrounding the roots of the teeth.
periapical (per´ēā´pik
l),adj enclosing or surrounding the apical area of a tooth root.
periapical abscess,
n an acute or chronic inflammation of the periapical tissues characterized by a localized accumulation of suppuration at the apex of a tooth. It is generally a sequela of pulp death of the tooth.
periapical granuloma,
n an accumulation of mononuclear inflammatory cells with an encircling aggregation of fibroblasts and collagen at the apex of the root of a tooth caused by chronic inflammation. Also called
chronic apical periodontitis.
chronic apical periodontitis.
periapical radiograph (PA),
n a radiograph that includes the tooth apices and surrounding periodontium in a particular intraoral area.
periapical radiographic survey,
n a complete series of intraoral radiographs that include the periapical portions of the tooth and its periodontium.
periapical tissue,
n the tissue located at the root end of a tooth. Usually consists of the connective tissue forming an attachment between the root and the alveolar bone.
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