Traumatismo dental e inserção de fragmentos de resina composta em lábio inferior: relato de caso

Abstract

INTRODUCTION: Foreign body presence (any object or structure that is outside of its ideal location) must be considered in any traume to the head and neck region. Foreign bodies can remain dormant in soft tissues years without causing damage, however, their presence can induce complex acute or chronic inflammatory reactions of the foreign body type, which can result in patient symptoms. OBJECTIVE: The present work reports a clinical case of insertion of a foreign body (composite resin fragments) in the lower labial mucosa due to dental trauma, reinforces the importance of detailed clinical examination for correct diagnosis and describes the adopted treatment approach. CASE REPORT: A 21year-old female patient, who had a class IV restoration in element 21, suffered a fall of her own height, resulting in fracture of the restoration and insertion of composite resin fragments into the lower labial mucosa.The emergency medical care provided at the Municipal Hospital of Governador Valadares was not adequate, and it was necessary to surgically remove the foreign body presente in the traumatized tissues, 3 months after the accident. Histopathological examination revealed vascularized fibrous connective tissue and amorphous material associated with the presence of epithelioid lymphocytes, confirming the diagnostic hypothesis of the presence of a foreign body. In the third month after the operation, a new extraoral x-ray of the lower labial mucosa revealed the confinues presence of composite resin fragments in the tissue. The patient was informed that new surgery was necessary to remove the remaining fragments. CONCLUSION: Detailed clinical examination associated with imaging test are essential for correct diagnosis. Surgical removal is indicated with the aim of avoiding future complications. Histopathological analysis of the removed material should always be performed as part of case management