Patent ID: 6756421
Filing Date: 2004-06-29
Classification: A61K

Abstract:
A dental glass ionomer cement composition comprising a fluoroaluminosilicate powder, a polycarboxylic acid and a coloring matter, a color of which is specified such that an L* value, when expressed in an L*a*b* colorimetric system in a standard illuminant D65, is 60 or less, wherein said glass ionomer composition does not contain a polymerizable monomer, and said coloring matter is Food Red No. 104, Food Red No. 105, Food Red No. 106, &bgr;-carotene, vitamin A, Auramine, Fuchsin, chromium oxide, barium yellow, emerald green, red oxide, Toluidine Red, Dinitroaniline Orange, Chromophthal Yellow, Chromophthal Red, Chromophthal Blue, copper phthalocyanine, Quinoline Yellow Lake, anthrapyrimidine yellow, Thioindigo Red, Perinone Red, Perylene Red, Quinacridone Red, Lumogen Yellow, Methylene Blue, Rhodamine, copper chlorophyll or copper chlorophylline sodium.