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A 20-year-old woman presented with painful left sided facial swelling and discomfort following dental extraction for a left lower molar tooth that required local anaesthetic and an air turbine drill. The patient was initially diagnosed as experiencing an allergic reaction to the anaesthetic used. The discomfort began in the left side of her face postoperatively, radiating down her neck and to her sternum. There were no clinical signs of cardiorespiratory distress. Swelling was noted down the left side of her face and extended to the …
Competing interests None.
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