J Korean Assoc Oral Maxillofac Surg.  2016 Apr;42(2):123-126. 10.5125/jkaoms.2016.42.2.123.

Bilateral dentigerous cysts that involve all four dental quadrants: a case report and literature review

• Jeon JY
• Park CJ
• Cho SH
• Hwang KG

• KMID: 2351737
• DOI: http://doi.org/10.5125/jkaoms.2016.42.2.123

Abstract

Dentigerous cysts are common odontogenic cysts that are associated with the crown of the tooth and typically develop from single lesions. Bilateral and multiple dentigerous cysts are very rare and occur in patients with syndromic conditions. This paper presents a case report of a 15-year-old male patient that experienced non-syndromic bilateral dentigerous cysts that simultaneously occurred in all four dental quadrants around the unerupted third molars. Clinicians should confirm the extent of cystic lesions using a panoramic view and computed tomography, and should keep the possibility of bilateral dentigerous cysts in mind as a potential diagnosis, even in a non-syndromic patient.

Keyword

Dentigerous cyst; Syndrome; Third molar

MeSH Terms

Adolescent
Crowns
Dentigerous Cyst*
Diagnosis
Humans
Male
Molar, Third
Odontogenic Cysts
Tooth

Figure

• 

  Fig. 1 A. Panoramic radiograph shows well-defined radiolucent cystic lesions around the bilateral unerupted third molars in both jaws. B. Computed tomography (CT) shows soft tissue masses obliterating both maxillary sinuses and displacing the maxillary third molars to the infraorbital area. C. Three-dimensional maxillo-facial shows four quadrants impacting the third molars.

• 

  Fig. 2 A. All surgical specimens were unilocular cystic structures that contained gray-yellowish necrotic material. B. Histopathology results confirmed a typical dentigerous cyst lined by a non-keratinized squamous epithelium with mild inflammatory cellular infiltration in the connective tissue. No dysplastic changes were observed (H&E staining, ×40).

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  Fig. 3 A. Panoramic radiograph at 6-month follow-up. B. Panoramic radiograph at 10-year follow-up. Note the well-healed operative sites.

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