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Periapical periodontitis; Other names: Apical periodontitis, periradicular periodontitis: Periapical dental radiograph showing chronic periapical periodontitis on the root of the left maxillary second premolar. Note large restoration present in the tooth, which will have undergone pulpal necrosis at some point before the development of this lesion.
In the periapical lesion, mediators that are normally produced primarily only by osteoblasts are released by many other cells as well, overstimulating proosteoclasts. As a result, these begin to proliferate and several cells fuse to form multinucleated giant cells capable of spreading over the infected, injured site and cause resorption of the ...
Periapical granuloma, [1] also sometimes referred to as a radicular granuloma or apical granuloma, is an inflammation at the tip of a dead (nonvital) tooth. It is a lesion or mass that typically starts out as an epithelial lined cyst , and undergoes an inward curvature that results in inflammation of granulation tissue at the root tips of a ...
Periapical is defined as "the tissues ... These lesions can grow ... A non-vital tooth is necessary for the diagnosis of a periapical cyst, meaning the nerve has been ...
Periapical COD occurs most commonly in the mandibular anterior teeth while focal COD appears predominantly in the mandibular posterior teeth. Florid COD is an extensive variant of periapical COD where lesions occur in multiple quadrants which can encompass the maxilla and mandible, and infrequently can cause jawbone deformity.
Dental abscess; Other names: Dentoalveolar abscess, Periapical abscess, tooth abscess, root abscess: A decayed, broken down tooth, which has undergone pulpal necrosis.A periapical abscess (i.e. around the apex of the tooth root) has then formed and pus is draining into the mouth via an intraoral sinus ().
The initial lesion appears within two to four days of gingival tissue being subjected to plaque accumulation. When not generated through clinical experimentation, the initial lesion may not appear at all, and instead, a detectable infiltrate similar to that of the early lesion, explained below, appears. [19] Features of the Initial Lesion: [15]
Condensing osteitis, also known as focal sclerosing osteomyelitis, is a rare periapical inflammatory condition characterized by the formation of sclerotic bone near the roots of premolars and molars. This condition arises as a response to dental infections, such as periapical pulp inflammation or low-intensity trauma.