Paradental cyst of the first molar: Report of a rare case with bilateral presentation and review of the literature

A. E. Borgonovo, P. Reo, G. P. Grossi, C. Maiorana

Research output: Contribution to journalArticlepeer-review


The paradental cyst is a lesion classified and recognized by World Health Organization quite recently, which is related to an inflammatory process, especially pericoronitis, involving a tooth in eruption. The aim of this article is to report a rare bilateral case of paradental cyst. An 8-year-old boy presented to the Oral Surgery Department, Dental Clinic, Istituto di Ricerca e Cura a Carattere Scientifico (IRCCS) Fondazione Ospedale Maggiore Policlinico, University of Milan, with the complaint of swelling over the buccal gingiva of his unerupted lower left first molar. Radiographs revealed a radiolucency involving the bifurcation and root area of teeth 36 and 46. The cysts were enucleated, maintaining the affected teeth in site; microscopic evaluation revealed a chronically inflamed cyst lined by a non-keratinized stratified squamous epithelium; the histopathology associated with macroscopic and radiographic examinations permitted the definitive diagnosis of a paradental cyst on the mandibular left and right first molars. The most recent literature shows the rarity of the paradental cyst occurring with bilateral localization. Because the paradental cyst can present variable clinical and radiographic signs, it is mandatory to correlate all clinical, radiographic, and histological data to obtain a definitive diagnosis.

Original languageEnglish
Pages (from-to)343-348
Number of pages6
JournalJournal of Indian Society of Pedodontics and Preventive Dentistry
Issue number4
Publication statusPublished - Oct 2012


  • Bilateral cyst
  • mandibular disease
  • oral surgery
  • paradental cyst

ASJC Scopus subject areas

  • Dentistry(all)


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