<unk>  <unk> , also known as idiopathic<unk>  hyperplasia, is a rare condition of<unk>  overgrowth.<unk>  is characterized as a benign, slowly progressive, nonhemorrhagic, fibrous enlargement of keratinized<unk>  It can cover teeth in various degrees, and can lead to aesthetic disfigurement. Fibrous enlargement is most common in areas of maxillary and mandibular tissues of both arches in the mouth. Phenotype and genotype frequency of<unk>  is 1:175,000 where males and females are equally affected but the cause is not entirely known. It mainly exists as an isolated abnormality but can also be associated with a multi-system syndrome.
Hereditary gingival fibromatosis
Connective tissue nevus
Acral fibrokeratoma
Gingival fibromatosis with hypertrichosis
Congenital melanocytic nevus
Basal cell adenoma
Dermal cylindroma
Hydrocarbon keratosis