title: Prevalence of taurodontism in premolars and molars in the South of iran.
abstract: OBJECTIVE
  The study was undertaken to assess the prevalence of taurodontism and related systemic condi-tions and gender differences in premolars and molars of patients attending Shiraz Faculty of Dentistry.
  
  
  METHODS
  In this cross-sectional study, panoramic radiographs of 510 randomly selected patients were evaluated by a maxillofacial radiologist for the apically displaced pulp chamber. Detailed medical and family history of the patients was obtained.
  
  
  RESULTS
  The prevalence of taurodontism in 510 panoramic views was 5.5% of patients. Females had significantly higher prevalence of taurodontism than men (P>0.05) and mandibular second molar was the most affected tooth.
  
  
  CONCLUSIONS
  Taurodontism was relatively common in population under study. A family history of other anomalies should be checked for affected patients.
authors.affiliation: Assistant Professor, Department of Oral and Maxillofacial Radiology, School of Dentistry, Shiraz University of Medical Science, Shiraz, Iran.
authors.forename: Pegah
authors.initials: P
authors.lastname: Bronoosh
authors.forename: Abdolaziz
authors.initials: A
authors.lastname: Haghnegahdar
authors.forename: Mehrnoosh
authors.initials: M
authors.lastname: Dehbozorgi