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Volume 20 , Issue 2
March/April 2007

Pages 143144

Cervicofacial and Mediastinal Emphysema After Crown Preparation: A Rare Complication

Wolfgang Zemann, MD, DMD / Matthias Feichtinger, MD, DMD / Hans Karcher, MD, PhD

PMID: 17455433

Cervicofacial emphysema is a well-known complication associated with the use of a high-speed air turbine. However, retropharyngeal emphysema or pneumomediastinum in the absence of severe trauma is rare. Immediate recognition of this phenomenon is essential to avoid life-threatening complications such as potential airway obstruction or venous air embolism. This article reports a case of gas diffusion into the mediastinum after dental preparatory treatment for a single-tooth crown. Pneumomediastinum should be considered whenever there are anamnestic data for retrosternal chest pain accompanied by dysphagia, dysphonia, or dyspnea caused by cervicofacial emphysema after dental treatment. Int J Prosthodont 2007;20:143144

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