title: An ectopic maxillary second molar.
abstract: A rarely encountered ectopic and dilacerate maxillary second molar is described. The tooth was found to attached to the medial wall of the maxillary sinus. Its location is thought to be due to ankylosis consequent to injury sustained during infancy.
mesh_terms: D000293:Adolescent; D005260:Female; D006801:Humans; D008443:Maxillary Sinus; D008963:Molar / Q000002:abnormalities*; D010254:Paranasal Sinus Diseases / Q000000981:diagnostic imaging; D011859:Radiography; D014079:Tooth Eruption, Ectopic / Q000000981:diagnostic imaging*; D014092:Tooth Root / Q000002:abnormalities*