BACKGROUND: Oral Submucous Fibrosis (OSMF) is a chronic, insidious, scarring disease of the mouth often involving palate, oro-pharynx, pharynx, esophagus, tongue and buccal mucosa which leads to ulceration, blanching ultimately limited opening. The aim study describe age, gender district-wise distribution oral submucous fibrosis cases assess malignant transformation rate among patients with who...