Prevalence of taurodontism in premolars and molars in the south of Iran

Background and aims. 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.materials and 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.conclusion. taurodontism was relatively common in population under study. a family history of other anomalies should be checked for affected patients