Congenital gingival hyperplasia in a neonate with foetal valproate syndrome.

There are several causes of gingival hyperplasia and one of the most well-known is drug-induced gingival enlargement. Nevertheless, causes of congenital gingival enlargement include only hereditary and metabolic disorders. Only one case of drug-induced congenital gingival hyperplasia has been reported. We present the second neonate with gingival hyperplasia in the context of foetal valproate syndrome and review the literature.