metallic stain

me·tal·lic stain

(mĕ-talik stān)
Dental discolorations generally caused by orally inhaling metal-containing dust or by ingestion of some orally administered medications.
References in periodicals archive ?
An eight-foot couch and oversized chair are both framed in wood glazed in a pewter metallic stain and covered in oatmeal chenille.
One room houses a series of untitled works on massive canvases of heavily textured gold and black, in which human forms can be detected within metallic stains.