What is the relationship between nummular dermatitis and the mercury in dental amalgams?

Updated: Nov 21, 2019
  • Author: Jami L Miller, MD; Chief Editor: William D James, MD  more...
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Onset has also been described in association with mercury in dental amalgams. Hypersensitivity to the metals in the mouth is posulated to be sufficient to drive an immune response that results in cutaneous nummular plaques.

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