The inflammatory paradental cyst: a critical review of 342 cases from a literature survey, including 17 new cases from the author's files

Autor: Hans Peter Philipsen, Peter A. Reichart, Ikuko Ogawa, Yoshikazu Suei, Takashi Takata
Rok vydání: 2004
Předmět:
Zdroj: Journal of Oral Pathology and Medicine. 33:147-155
ISSN: 1600-0714
0904-2512
Popis: Background: A total of 325 cases of inflammatory paradental cysts (IPCs) and 17 own cases were reviewed. Although known since 1930, the IPC is still unrecognized by many clinicians. The IPCs show a relative frequency of 0.9–4.7%. The majority of cysts occur distally or disto-buccally to vital, permanent mandibular molars with a history of pericoronitis (IPC/3rd mandibular molar alone accounts for 64.9%). Radiologically, the cyst appears as a well-defined, semilunar unilocular radiolucency. Materials and methods: Cases of inflammatory paradental cysts and related lesions were retrieved from a worldwide literature survey. In addition, 17 new cases from the files of the authors have been added. Results: The mean ages for patients with IPC/1st, 2nd and 3rd mandibular molars are 8.7, 17.4 and 27.6 years, respectively. The male:female ratio was 1 : 0.9 for IPC/1st and 2nd mandibular molars, and 1 : 0.4 for 3rd mandibular molar. Conclusion: Reduced enamel epithelium, cell rests of Malassez and remnants of the dental lamina stimulated by inflammation are thought to play a role in the pathogenesis of IPC. Histological features are indistinguishable from those of the inflammatory, periapical (radicular) cyst.
Databáze: OpenAIRE
Externí odkaz: