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  • Title: Arteriovenous malformation of the mandible: a case report.
    Author: Oral O, Yulcin F, Minareci O, Baser U, Berb L, Isik G, Yalcin S.
    Journal: Quintessence Int; 2007 Sep; 38(8):e470-6. PubMed ID: 17823670.
    Abstract:
    Arteriovenous malformations (AVMs) are an abnormal collection of blood vessels. They are extremely rare congenital or acquired abnormalities in the structure of blood vessels. These malformations have been associated with severe hemorrhage resulting in significant morbidity and mortality. Gingival bleeding seems to be a common symptom of most documented cases of AVM, and radiographs most often appear normal. A 12-year-old girl who was first examined by a general dentist for occasional bleeding associated with the right mandibular teeth was referred to the University of Istanbul, Faculty of Dentistry. During the suturing process to stop the leakage around the mandibular right first molar, uncontrollable hemorrhage began. Magnetic resonance imaging and angiogram revealed the AVM of the right mandibular body. After embolization with an injection of a mixture of cyanoacrylate and lipiodol, the tooth was extracted and initial periodontal therapy performed. The patient has maintained a satisfactory gingival and oral condition since the completion of dental treatment and establishment of oral hygiene. Clinicians should be aware of these lesions and the impact they can have on routine procedures. Proper recognition and therapeutic intervention can help to avoid serious complications and potentially tragic outcomes.
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