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National Journal of Maxillofacial Surgery
 
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ORIGINAL ARTICLE
Year : 2022  |  Volume : 13  |  Issue : 3  |  Page : 430-436

Dredging: A conservative surgical approach for treatment of large cystic lesions of the jaws


Department of Oral and Maxillofacial Surgery, Government Dental College and Hospital, Asarwa, Ahmedabad, Gujarat, India

Correspondence Address:
Dr. Jigar Dhuvad
Department of Oral and Maxillofacial Surgery, Government Dental College and Hospital, Asarwa, Ahmedabad - 380 016, Gujarat
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/njms.njms_486_21

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Background: Treatment modalities of odontogenic cystic lesions of the jaws range from conservative to radical. “Dredging” may be considered the “middle path” between conservative and radical treatment options. It comprises three entities—decompression, followed by repeated scraping of the lesion, and finally, peripheral ostectomy providing margin clearance but without significant morbidity. Aim: To evaluate the outcome of “dredging” in the management of large cystic lesions of the jaws, without major resections and maintaining normal functions. Methodology: This prospective study was conducted on 30 patients. Inclusion criteria were odontogenic cystic lesions at least 2 cm in size either in the proximity of vital structures or in children with developing tooth germs or so large that upon enucleation, can result in pathological fracture. All underwent decompression followed by dredging performed at every 2 to 3 months intervals. Results: Drastic decrease in size of the lesion as measured on Cone Beam Computed Tomography (CBCT) and new bone formation was evident in all patients. The total Reduction Rate (RR) of the cystic lesions was 88.79% in 9.2 months. RR was highest in Calcifying epithelial odontogenic cyst (CEOC) followed by Unicystic Ameloblastoma (UA), Odontogenic Keratocysts (OKC), Dentigerous cyst (DC), and Radicular Cyst (RC) in CBCT. The mean speed of shrinkage was fastest in CEOC, followed by OKC, UA, RC, and DC after dredging. Shrinkage was higher in patients below 20 years of age (P 0.012) and patients with large cystic lesions (P 0.00447). Conclusion: The results suggest that dredging with regular, long-term follow-up can be a successful treatment method for large cystic lesions in young adults. This method includes the benefits of both conservative and radical treatment methods but lacks the disadvantages of either.


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