CT paranasal sinuses
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Bony defect noted involving the most posterior aspect of the right side of the maxillary alveolar process violating the most posterior aspect of the floor of the right maxillary antrum showing a bony defect that is about 12 mm in size representing right sided oro-antral fistula.
This defect is partially closed with roots of mal-aligned tooth showing roots directed medially and in cephalic direction loosing its crown and migrating into the maxillary sinus. Likely supernumerary tooth with missing of the third maxillary molar correlated with history of recent tooth extraction and supported by the presence of similar supernumerary tooth on the left side posterior to the third maxillary molar showing buccally oriented crown.
The right maxillary antrum is consequently showing thickened mucosa with compromised outflow tracts (Right maxillary sinusitis).
Small mucous retension cyst involving the alveolar recess of the left maxillary antrum is noted.