title: Subacute iatrogenic periodontal injury: report of a case.
mesh_terms: D000293:Adolescent; D006801:Humans; D008297:Male; D009967:Orthodontic Appliances / Q000009:adverse effects*; D010514:Periodontal Pocket / Q000209:etiology*; D010518:Periodontitis / Q000209:etiology*; D010519:Periodontium / Q000293:injuries*