Abstract
Long standing oral submucous fibrosis (OSMF) is associated with involvement of the oral submucosa and the muscles of mastication leading to difficulty in mouth opening. Various surgical modalities are mentioned for release but each has its own limitations. The aim of the study was to evaluate the postoperative mouth opening in patients of OSMF after excision of fibrous bands followed by coronoidotomy and surgical defect coverage by extended nasolabial flap. We evaluated the use of extended nasolabial flaps and coronoidectomy in the management of 11 randomly selected patients with histologically confirmed oral submucous fibrosis. They all had interincisal opening of less than 25mm and were treated by bilateral release of fibrous bands, coronoidectomy or coronoidotomy, and extended grafting with a nasolabial flap. Their interincisal opening improved significantly from a mean of 8.68±7mm to a mean of 36.75±4.05mm at 6-month follow-up. The procedure was effective in the management of patients with oral submucous fibrosis, the main disadvantage being the extraoral scars.
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