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J Korean Assoc Oral Maxillofac Surg. 2017 Feb;43(1):49-52. doi: 10.5125/jkaoms.2017.43.1.49. Epub 2017 Feb 20.

Iatrogenic subcutaneous cervicofacial emphysema with pneumomediastinum after class V restoration.

Author information

1
Department of Dentistry, Gangneung Asan Hospital, University of Ulsan College of Medicine, Gangneung, Korea.
2
Department of Prosthodontics and Research Institute of Oral Science, Gangneung-Wonju National University, Gangneung, Korea.

Abstract

Subcutaneous facial emphysema after dental treatment is an uncommon complication caused by the invasion of high-pressure air; in severe cases, it can spread to the neck, mediastinum, and thorax, resulting in cervical emphysema, pneumomediastinum, and pneumothorax. The present case showed subcutaneous cervicofacial emphysema with pneumomediastinum after class V restoration. The patient was fully recovered after eight days of conservative treatment. The cause of this case was the penetration of high-pressure air through the gingival sulcus, which had a weakened gingival attachment. This case indicated that dentists should be careful to prevent subcutaneous emphysema during common dental treatments using a high-speed hand piece and gingival retraction cord.

KEYWORDS:

Mediastinal emphysema; Subcutaneous emphysema

Conflict of interest statement

Conflict of Interest: No potential conflict of interest relevant to this article was reported.

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