[01] Ahmed Eldawi, Department of Oral and Maxillofacial Surgery, Khartoum Teaching Dental Hospital, Khartoum, Sudan. [02] Mohamed El Rasheed Gafar, Department of Paediatric Dentistry, Sudan International University, Khartoum, Sudan.

Background: Periradicular cysts are interestingly rare type of odontogenic cysts in children and may be diagnosed as Dentigerous cysts from the apically located permanent teeth. Case information: The following is a Periradicular cyst in an 8-year-old Sudanese boy with a swelling located below a pulp treated primary molar in the mandible. The cyst was treated conservatively by marsupialization to preserve permanent successors. Result: Two years postoperatively, excellent healing and permanent premolar teeth were self realigned and continue to develop and erupt into their normal positions. Conclusion: Marsupialization comes with fewer risks and excellent prognosis in preserving permanent teeth.

Marsupialization, Decompression, Periradicular Cysts, Radicular Cyst, Primary Teeth

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