183 Iranian Journal of Otorhinolaryngology No.3, Vol.25, Serial No.72, June 2013 Case Report Ectopic Supernumerary Tooth in Nasal Septum: A Case Study * Saleh Mohebbi 1 ,Oveis Salehi 2 , Sedighe Ebrahimpoor 3 Abstract Introduction: Nasal teeth eruption is a rare phenomenon. The variability of symptoms and generic history makes the diagnosis difficult. This difficulty is more challenging when the tooth is placed in the depth of septum. Case Report: Our case is an example of this problem. Herein, we present a case of intraseptal tooth with nasal obstruction and septal deviation and recurrent sinusitis. We present preoperative imaging. Conclusion: Great suspicion may helpful for preoperative diagnosis and good deciding. Keywords: Ectopic tooth eruption, Septal deviation, Supernumerary, Tooth. Received date: 25 May 2012 Accepted date: 27 Oct 2012 1 Department of Otorhinolaryngology.Tehran University of Medical Sciences,Tehran,Iran. 2 Department of Otorhinolaryngology.Hormozgan University of Medical Sciences,Bandarabbas,Iran. 3 Cell and molecular biology,biochemistMsc,Research center of otolaryngology –head and neck surgery,Iran university of medical sciences,Tehran,Iran. * Corresponding Author: Department of Otolaryngology. Tehran University of Medical Sciences,Tehran,Iran. E-mail: mohebbi54@gmail.com.