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Inadvertent injection of sodium hypochlorite into the maxillary sinus

Abstract

A previously undocumented complication of root canal therapy is reported. A dilute solution of 5-10 mls sodium hypochlorite was inadvertently injected into the maxillary sinus during root canal therapy of a right upper second premolar (5). The patient developed acute, sudden, severe facial pain and swelling necessitating emergency admission to hospital and operative intervention under general anaesthesia. A diagnosis of acute chemical sinusitus was made, further management and discussion follow

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Kavanagh, C., Taylor, J. Inadvertent injection of sodium hypochlorite into the maxillary sinus. Br Dent J 185, 336–337 (1998). https://doi.org/10.1038/sj.bdj.4809809

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