title: An unusual self-inflicted gingival injury.
authors.affiliation: Quayside Dental Centre, Manchester.
authors.forename: P R
authors.initials: PR
authors.lastname: Greene
mesh_terms: D000293:Adolescent; D005260:Female; D005547:Foreign Bodies / Q000209:etiology*; D005881:Gingiva / Q000293:injuries*; D006801:Humans; D009259:Nail Biting / Q000009:adverse effects*