Objective: The aim of this study was to determine the prevalence of the oral premalignant lesions/conditions and oral mucosal pathologies in north Indian population. Material and Methods: 1000 patients were clinically evaluated from age group <25 years to > 65 years, of these 392 have smokeless and 306 have smoking habit however remaining 302 have no history of any habit. The statistical analysis was done using the SPSS software version 16.0. Results: Oral submucous fibrosis (23.2%) is found to be most common oral lesion however pseudomembranous candidiasis(0.3%) was least commonly reported oral lesion in this specific study population. Conclusion: Timely diagnosis and early prevention will help to reduce tobacco related oral diseases. However other soft tissue pathologies which have definite etiological causes can be prevented early or treated by timely intervention.

Keywords: Oral Mucosal Lesions; Soft Tissue Tumours; Prevalence; Premalignant Lesions and Conditions.