Delayed COVID-19-induced cytokine storm after root canal therapy with favorable response to plasmapheresis, tocilizumab, and methylprednisolone pulses therapy: A case report.

COVID-19 showed different characteristics, and many cases showed clinical manifestations that could not be attributed to other conditions. We present a 22-year-old woman who had an uneventful recovery from COVID-19, and after that, she developed a cytokine storm and a worsening clinical condition 2 days after dental root canal therapy.