title: Smokeless tobacco and premalignant and malignant lesions of the oral cavity.
abstract: The paper compares the prevalence of oral carcinoma and dysplasia in smokeless tobacco users and non users. A total of 3205 subjects were studied. Of the smokeless tobacco users, 1.96 percent had oral carcinoma compared with 0.36 percent of non-users. The prevalence of oral dysplasia in the users' group was 14.4 percent as compared with 6.85 percent in the group of non-users.
authors.affiliation: Department of Pathology, Chittaranjan National Cancer Institute, Calcutta.
authors.forename: R N
authors.initials: RN
authors.lastname: Chakrabarti
authors.forename: K
authors.initials: K
authors.lastname: Dutta
authors.forename: S
authors.initials: S
authors.lastname: Sikdar
authors.forename: K
authors.initials: K
authors.lastname: Ghosh
mesh_terms: D003906:Developing Countries; D005260:Female; D006801:Humans; D007972:Leukoplakia, Oral / Q000209:etiology; D008297:Male; D009062:Mouth Neoplasms / Q000209:etiology*; D010947:Plants, Toxic; D011230:Precancerous Conditions / Q000209:etiology*; D012307:Risk Factors; D014030:Tobacco, Smokeless / Q000009:adverse effects*