The report by Laeijendecker et al1 and the corresponding editorial2 in the December issue of the ARCHIVES highlight crucial issues about allergy to mercury and oral lichen planus (OLP). The authors identify inorganic mercury from amalgams as an allergen that might cause OLP.
Pigatto PD, Guzzi G, Severi G. Oral Lichen Planus: Mercury and Its Kin. Arch Dermatol. 2005;141(11):1472–1473. doi:10.1001/archderm.141.11.1472
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