Oral submucous fibrosis

Definition

1. A chronic debilitating disease of the oral cavity characterized by inflammation and progressive fibrosis of the sub mucosal tissues. 2. A precancerous condition of the oral mucosa and upper aerodigestive tract characteristically seen in a resident of India. 3. a precancerous lesion that stiffens the soft pink tissue that lines the inside of the mouth (i.e., oral mucosa). OSF may extend into the esophageal tract. OSF is a debilitating and irreversible condition that often results in an inability to open the mouth. Treatment consists of cutting the fibrous bands in the mouth.

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