label: Oral Cavity Submucous Fibrosis
label_lc: oral cavity submucous fibrosis
description: "Chronic, progressive, debilitating and non-reversible fibrosis of the submucosal tissues of the mouth.  It is associated with chewing betel quid, a habit practiced in Southeast Asia and India.  It is a precancerous condition and results in rigidity of the jaws and inability of the affected individual to open the mouth."