title: Root fragment in the ostium of the maxillary sinus.
authors.forename: Amit
authors.initials: A
authors.lastname: Sethi
authors.forename: K M
authors.initials: KM
authors.lastname: Cariappa
authors.forename: A
authors.initials: A
authors.lastname: Chitra
mesh_terms: D005548:Foreign-Body Migration / Q000000981:diagnostic imaging / Q000209:etiology*; D006801:Humans; D008443:Maxillary Sinus / Q000000981:diagnostic imaging*; D008963:Molar / Q000000981:diagnostic imaging*; D011859:Radiography; D014081:Tooth Extraction / Q000009:adverse effects*; D014092:Tooth Root / Q000000981:diagnostic imaging*