Destructive membranous periodontal disease (ligneous periodontitis)

Generalized membranous gingival enlargement due to accumulation of amyloid or fibrin-like material is a rare, destructive and poorly defined disease e ntity. Some patients also show extraoral manifestations. The Lesion is an i nvolvement of periodontal tissues caused by the same process as ligneous co njunctivitis. In this report, 3 new cases, two of whom are siblings, are pr esented Defective fibrinolysis and abnormal wound healing seem to be the ma in pathogenetic mechanism of this unusual disease, which should be evaluate d systemically considering other mucosal involvement.