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KMID : 0355619950210020248
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Journal of Korean Association of Oral and Maxillofacial Surgeons
1995 Volume.21 No. 2 p.248 ~ p.256
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Mediastinal emphysema following mandibular impacted third molar extraction
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Abstract
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Subcutaneous emphysema is one of complications followed by trauma and surgical operation. Clinically, subcutaneous crepitation is noticible by presence of air in the soft tissues.
Common signs and symptoms of subcutaneous emphysema and pneumomediastinum are dyspnea, chest or back pain. Hamman's sign, and positive x-ray findings. The roentgenogram of the chest is diagnostic in that we notice radiolucent lines outlining the
edges
of the mediastinum and the cardic shadow.
The clinical importance of subcutaneous emphysema is that the migration of air to the mediastinum can cause death.
We report a case of subcutaneous and mediastinal emphysema that generally entaills facial, cervical and thoracic crepitation, swelling and severe chest pain on use of air turbin at surgical extraction of mandibular impacted third molar.
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