J Korean Assoc Oral Maxillofac Surg.  2017 Dec;43(Suppl 1):S1-S5. 10.5125/jkaoms.2017.43.S1.S1.

Conservative management of a dentigerous cyst associated with eruption of teeth in a 7-year-old girl: a case report

• Åžahin O

• KMID: 2399917
• DOI: http://doi.org/10.5125/jkaoms.2017.43.S1.S1

Abstract

Dentigerous cysts are benign odontogenic cysts that are related to the crowns of permanent teeth. The lesion in this study was detected in a routine panoramic radiograph that revealed a well-defined osteolytic lesion that measured 2.5 cm in diameter, with the crown of the mandibular permanent second premolar displaced to the lower border of the mandible. The apex of the tooth was still open. The aim of this article was to report the case of a 7-year-old girl with a dentigerous cyst associated with the tooth buds of premolars. The therapeutic approach consisted of extraction of the primary molar and marsupialization of the lesion. After 40 months of follow-up, spontaneous eruption of the impacted premolar was observed. In conclusion, marsupialization can be the first treatment choice for conservative management of dentigerous cysts in pre-adolescents.

Keyword

Dentigerous cyst; Cone-beam computed tomography; Decompression; Conservative treatment

MeSH Terms

Bicuspid
Child*
Cone-Beam Computed Tomography
Crowns
Decompression
Dentigerous Cyst*
Female*
Follow-Up Studies
Humans
Mandible
Molar
Odontogenic Cysts
Tooth*

Figure

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  Fig. 1 Intraoral photographs. A. Intraoral view showing buccal expansion in the region of the primary mandibular left second molar. B. Decompression of the cyst was performed using a silicone tube through the socket of the tooth extraction over the lesion. C. Postoperative view of the second premolar, which erupted after 46 months.

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  Fig. 2 Panoramic radiographs. A. Radiograph view demonstrating the dentigerous cyst related to the unerupted second premolar. B. Postoperative radiographic view after 9 months, displaying the decreased radiolucency around the second premolar. C. Postoperative 40 months. D. Postoperative 46 months.

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  Fig. 3 A. Cone-beam computed tomography image of the lesion shows a well-defined lesion in the mandibular left region surronding the crown of the unerupted second premolar. B. Coronal view. C. Axial view. D. Sagittal view.

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  Fig. 4 A. Photograph of the aspirated fluid. B. The cytopathologic analysis of the aspirate showing a mucoid material, clumps of benign epithelial cells, and a large amount of cyst macrophages (Diff-Quick staining, ×200).

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  Fig. 5 Periapical radiograph of the second premolar at postoperative 46 months. Root formation of the mandibular left second premolar was almost complete.

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