In the initial phase of the disease, the mucosa feels leathery with palpable fibrotic bands. In the advanced stage the<unk>  mucosa loses its resiliency and becomes blanched and stiff. The disease is believed to begin in the posterior part of the<unk>  cavity and gradually spread outward. Other features of the disease include: *Xerostomia *Recurrent ulceration *Pain in the ear or deafness *Nasal intonation of voice *Restriction of the movement of the soft palate *A budlike shrunken uvula *Thinning and stiffening of the lips *Pigmentation of the<unk>  mucosa *Dryness of the mouth and burning sensation (stomatopyrosis) *Decreased mouth opening and tongue protrusion
Oral submucous fibrosis
Dyskeratosis congenita
Zenker's degeneration
Van Buchem disease
Degos disease
Bromoderma
Keratomalacia
Kyrle disease