Surgical Ciliated Cyst of the Posterior Maxilla in an Old Male, Mimicking Residual Cyst or Odontogenic Keratocyst: A Case Report.

Surgical ciliated cysts of the maxilla arise from respiratory epithelium that lodges in the maxilla after radical maxillary or sinus surgery. This case report was conducted in 2020 in Mashhad Dental School, Mashhad University of Medical Science, Mashhad, Iran. We present here an unusual case of surgical ciliated cyst of a 73-year-old adult male patient with a history of nasal polyp surgery 40 years ago.