Dental preparations and articles, namely, dental varnish for use by dentists, amalgam for dental purposes, dental sealants, dental alloys, dental porcelain materials, dental adhesives, dental cements, dental abrasives, anti-cavity dental coating preparations containing fluoride, dental wax, dental lacquer, dental blanks, dental veneers, dental restoration compounds, dental bite registration materials, dental polish, dental composite materials, material for dental bridges, material for dental ...