Dental ceramic coloring liquids

摘要

A coloring liquid especially for shading pre-sintered ceramic dental restorations, utilizes a combination of metal salt, solvent and acid to achieve natural tooth coloring of standard dental shades. By adjusting the respective ingredients, different shades can be provided and color penetration can be sufficient to preserve aesthetics in the sintered restoration even when some of the ceramic material is removed.

主权项

1. A coloring liquid for shading ceramic dental restorations to match natural teeth, the liquid comprising an organic solvent, an acid, and at least one metallic salt, wherein the amount of metallic salt in the liquid comprises 0.0001% by weight to 1.0% by weight of the liquid, wherein the at least one metallic salt comprises a rare earth metal, and wherein the acid comprises hydrochloric acid.