Massive Radicular Cyst Involving the Maxillary Sinus: A Case Report
The radicular cyst is an inflammatory cyst associated with the root apex of a non-vital tooth. Because of the high incidence of pulpal pathology, it is the most common cyst of the oral and maxillofacial region. Most radicular cysts are small, but they can reach a large size. In this case, the cyst may cause displacement of surrounding structures. Such lesions may evoke more aggressive lesions. In the posterior part of the maxilla, a massive radicular cyst can displace the floor of maxillary sinus. In this situation, a careful interpretation of plain radiographs and/or CT images is necessary to differentiate between a lesion originating from the maxillary sinus and those from the maxilla. The purpose of this article was to report the case of a large radicular cyst that had displaced the floor of the maxillary sinus.
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