Plasma cell gingivitis is a rare condition characterized by diffuse and massive infiltration of plasma cells into the sub-epithelial connective tissue.Clinically, it appears as a diffuse reddening and edematous swelling of the gingiva with a sharp demarcation along the mucogingival border.Though considered as a hypersensitive reaction Spa to an allergen, the etiology of this bizarre condition is still not properly understood.Here, we present L-Ornithine an interesting case of plasma cell gingivitis associated with an enlarged and fissured upper lip, which is quite a rarity.The condition was diagnosed based on clinical and histopathologic findings and treated by gingivectomy.
The associated cheilitis has dramatically reduced after treatment of the gingival lesion.