[Heterogeneity in gingival fibromatosis]

Five cases of familial and idiopathic gingival fibromatosis were reported. One case exhibited peculiar histologic features, which consisted of active growth of the fibroblastic cells. One hundred and ninety-six cases of gingival fibromatosis, whose clinical and/or pathologic findings were known, were collected from foreign literatures. The heterogeneity in gingival fibromatosis was discussed.