title: Case report: gingival abrasion due to a "chin ring".
authors.forename: D J
authors.initials: DJ
authors.lastname: Harnick
mesh_terms: D000328:Adult; D002680:Chin / Q000293:injuries*; D005260:Female; D005547:Foreign Bodies / Q000150:complications; D005881:Gingiva / Q000293:injuries*; D006801:Humans; D011677:Punctures / Q000009:adverse effects*; D012652:Self Mutilation / Q000150:complications