periapical granuloma

periapical granuloma

n.

A growing mass of granulation tissue surrounding the apex of a nonvital tooth and arising in response to necrosis of the tooth pulp. Also called apical granuloma, dental granuloma.

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periapical (per´ēā´pikl),

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.

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.