title: Histiocytosis X: report of two cases.
mesh_terms: D000328:Adult; D002675:Child, Preschool; D004803:Eosinophilic Granuloma; D005882:Gingival Diseases; D006646:Histiocytosis, Langerhans-Cell; D006801:Humans; D008297:Male; D008336:Mandibular Diseases