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Brazilian Dental Journal

Print version ISSN 0103-6440


CARVALHO, Cyntia Helena Pereira de et al. Infected orthokeratinized odontogenic cyst: a rare cause of facial cellulitis. Braz. Dent. J. [online]. 2012, vol.23, n.5, pp.612-616. ISSN 0103-6440.

Orthokeratinized odontogenic cysts (OOCs) are relatively uncommon developmental cysts lined with orthokeratinized epithelium consisting of a prominent granular layer and a basal layer of low cuboidal flattened cells that show no tendency for nuclear palisading. These cysts have been considered a distinct entity from odontogenic keratocysts since they exhibit a less aggressive behavior and a very low rate of recurrence. Developmental odontogenic cysts can become infected but serious complications, such as potentially life-threatening cellulitis, are rare. This report describes a rare case of facial cellulitis secondary to an infected OOC located in the mandible of a 27-year-old man. The relevant literature about the clinical-pathological features of OOC is reviewed.

Keywords : odontogenic cyst; orthokeratinized odontogenic cyst; facial cellulitis.

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