title: A rare case of oral mucosal pigmentation: differential diagnosis and case presentation.
authors.affiliation: Stomatology Department, Second University of Naples, Naples, Italy.
authors.forename: Rosario
authors.initials: R
authors.lastname: Rullo
authors.forename: Francesco
authors.initials: F
authors.lastname: Addabbo
authors.forename: Vincenzo Maria
authors.initials: VM
authors.lastname: Festa
mesh_terms: D002675:Child, Preschool; D003937:Diagnosis, Differential; D005882:Gingival Diseases / Q000175:diagnosis* / Q000209:etiology / Q000601:surgery; D006108:Graphite / Q000009:adverse effects*; D006801:Humans; D009061:Mouth Mucosa / Q000293:injuries* / Q000473:pathology; D010859:Pigmentation Disorders / Q000175:diagnosis* / Q000209:etiology* / Q000601:surgery; D013524:Surgical Flaps
chemical_list: D006108:Graphite