title: Angina bullosa haemorrhagica: an unusual complication following crown preparation.
abstract: A case of angina bullosa haemorrhagica is reported in which blood blisters appeared during crown preparation. The aetiology, differential diagnosis and management are discussed. Practitioners should be aware of this disorder and take precautions to minimise trauma during operative procedures.
authors.affiliation: Department of Oral and Maxillofacial Surgery, North Manchester General Hospital.
authors.forename: M A
authors.initials: MA
authors.lastname: Corson
authors.forename: P
authors.initials: P
authors.lastname: Sloan
mesh_terms: D000328:Adult; D001768:Blister / Q000209:etiology*; D003442:Crowns / Q000009:adverse effects*; D003737:Dental Cavity Preparation / Q000009:adverse effects*; D003937:Diagnosis, Differential; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008047:Lip Diseases / Q000209:etiology; D009061:Mouth Mucosa / Q000293:injuries*; D006472:Oral Hemorrhage / Q000209:etiology*; D014456:Ulcer / Q000209:etiology