RESUMO
The aim of this study was to determine the prevalence of torus mandibularis in dental patients with regard to ethnic population in Karachi city. This study was undertaken at a dentistry teaching hospital of Karachi. Eight hundred subjects were clinically examined, presenting for their common dental health issues with the diagnosis of torus mandibularis [TM]. This study was conducted from January 2011 to March 2012. The location, position and clinical presentation of torus mandibularis were recorded, related to age and sex of various ethnic populations. Subjects participated in the study were 365[45.6%] males and 435[54.3%] females. Its overall prevalence in the study subjects was 8.6%. The mean age of patient was 41.79 and STD +/- 16.61. Torus mandibularis was observed in both genders with females having predominance. Urdu speaking population showed higher frequency of TM as compared to other ethnic sample