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Published on: July 16, 2020
Optimal time to definitive enucleation of large cysts following marsupialization: A single center, retrospective
Pierantonio Bellini1, Angelo Ricci1, Giacomo Setti1
1Department of Surgery, Medicine, Dentistry and Morphological Sciences with Transplant Surgery, Oncology, and Regenerative Medicine Relevance, Unit of Dentistry and Oral-Maxillo-Facial Surgery, University of Modena and Reggio Emilia, Largo del Pozzo, 71, Modena 41125, Italy.
Objectives:
Optimal time to enucleation following marsupialization of large odontogenic mandibular cysts is undefined. We aim to assess volume reduction throughout follow-up, to indicate optimal time to enucleation. Secondary objectives include the identification of factors influencing cyst reduction.
Study Design:
We retrospectively enrolled 15 patients with mandibular cysts of different histological types treated with marsupialization at our center between 2018 and 2022. Cyst volume was assessed with cone-beam computed tomography (CBCT) and a semi-automatic segmentation algorithm, at baseline and between 6 and 8 months post marsupialization.
Results:
The overall mean cyst volume reduction percent (VR%) was 57.7 % or 0.2 % per day. VR% at 8 months was significantly higher than those assessed at 6 and 7 months (67.1% vs 47.1 %, p = 0.003). Time to CBCT was the only independent variable influencing cyst VR%.
Conclusion:
Our study proves that the optimal time to enucleation for mandibular cyst is 8 months, independent of histological cyst type, patient age, baseline cyst volume and the number of pre-operative residual bone walls.
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