| abstract |
Method for producing a blank for dental restorations with a color gradient, comprising the steps:n n n a) providing a suspension comprisingn n n i) liquid dispersant,n n n ii) a base material andn n n iii) one or more coloring substances;n n n b) Sedimentation with formation of a color gradient in the sedimentn n n c) Solidification of the sediment forming a gradient blank.n n n and use of the suspension and a blank resulting from the process. The base material is selected from the group consisting of silicate glass ceramics and glasses, aluminum oxides, spinels and zirconium oxides. |