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Decompression of a Mandibular Dentigerous Cyst Using a Dual-Purpose Removable Appliance in a Pediatric Patient: A
Buse Nur Gok1, Saffet Ugur Dogan2, Askin Dilara Kaynak2
1Department of Pediatric Dentistry, Akdeniz University Faculty of Dentistry, Antalya, Türkiye, akdeniz.edu.tr.
Case Reports in Dentistry
|April 15, 2026
Summary
Dentigerous cysts (DCs) in children can be managed with a removable acrylic appliance for decompression. This method aids tooth eruption and subsequent space maintenance, offering practical advantages over traditional drains.
Area of Science:
- Dentistry
- Pediatric Dentistry
- Oral Surgery
Background:
- Dentigerous cysts (DCs) are common odontogenic lesions in mixed dentition.
- Management varies from enucleation to decompression, with decompression preferred in children to preserve tooth germs.
- Silicone drains for decompression can compromise hygiene and comfort.
Purpose of the Study:
- To present a case of dentigerous cyst in a pediatric patient managed with a novel removable acrylic appliance.
- To evaluate the efficacy of this appliance for decompression and subsequent space maintenance.
Main Methods:
- A removable acrylic appliance with drainage channels was fabricated for a pediatric patient with a dentigerous cyst.
- The appliance facilitated lesion decompression and daily irrigation.
- Following lesion resolution, the appliance was modified into a space maintainer.
Main Results:
- Radiographic evidence showed a significant reduction in cyst size within 1 month.
- The permanent premolar (tooth #44) erupted into normal occlusion after 9 months.
- The appliance successfully transitioned from decompression to space maintenance.
Conclusions:
- A removable acrylic appliance offers a practical and hygienic alternative for dentigerous cyst decompression in children.
- This approach supports normal tooth eruption and facilitates post-treatment space management.
- Removable appliances may improve patient comfort and compliance compared to silicone drains.
