Journal of Korean Dental Science

Korean Academy of Dental Science (대한치의학회)
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Extensive Bilateral Subcutaneous Emphysema after Dental Treatment: Two Case Reports

  • Gyu-Beom Kwon (Department of Oral and Maxillofacial Surgery, College of Dentistry, Dankook University) ;
  • Chul-Hwan Kim (Department of Oral and Maxillofacial Surgery, College of Dentistry, Dankook University) ;
  • Hae-Seo Park (Department of Oral and Maxillofacial Surgery, College of Dentistry, Dankook University)
  • Received : 2023.01.23
  • Accepted : 2023.03.27
  • Published : 2023.06.30
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Abstract

We report two rare cases of extensive bilateral subcutaneous emphysema that occurred during ordinary dental procedures. An air-driven high-speed handpiece, routinely used in dental procedures may cause subcutaneous emphysema when high pressure air is introduced into the loose connective tissues below the dermal layer. The first case occurred with surgical extraction of the lower third molar. The air introduced into the fascial spaces near the surgical field spread to the contralateral spaces, as well as the neck and chest areas. The second case also showed extensive bilateral subcutaneous emphysema caused by the introduction of compressed air from the handpiece during crown preparation without any invasive procedure. Cases where the emphysema extends beyond the treatment site to involve the contralateral cervicofacial areas have been rarely reported. Predicting the occurrence of subcutaneous emphysema is difficult, so it is important to exercise caution during routine dental treatment. If significant bilateral cervicofacial swelling is suspected to be due to subcutaneous emphysema, prompt diagnosis with securing the patient's airway will be necessary.

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References

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