title: Ectopic tooth in the roof of the maxillary sinus.
abstract: Eruption of a tooth into a nonoral environs is rare. Ectopic eruption of the tooth into the nasal cavity and chin has been reported before. This is a report of an ectopic third molar tooth in the roof of the maxillary sinus, which has not, to our knowledge, been reported before.
authors.affiliation: School of Medical Sciences, University Science Malaysia, Penang.
authors.forename: S
authors.initials: S
authors.lastname: Elango
authors.forename: S P
authors.initials: SP
authors.lastname: Palaniappan
mesh_terms: D000328:Adult; D006801:Humans; D008297:Male; D008443:Maxillary Sinus; D011859:Radiography; D012307:Risk Factors; D014079:Tooth Eruption, Ectopic / Q000000981:diagnostic imaging* / Q000453:epidemiology / Q000601:surgery