Abstract: The invention relates to a coloring solution for coloring a dental ceramic article, the solution comprising: a solvent and a coloring agent, comprising rare earth element metals or ions being present in the solution in an amount of at least about 0.05 mol/1 solvent and transition metals or ions being present in the solution in an amount of about 0.00001 to about 0.05 mol/1 solvent. The invention also relates to a process for coloring dental ceramic articles, dental ceramic articles treated either with the coloring solution or obtainable by a process comprising the step of firing the dental ceramic articles.

Abstract: The invention relates to a method of making a dental blank which combines uniaxial pressing isostatic pressing techniques. The invention also includes a press for performing the method and a system comprising a uniaxial and a isostatic press. The invention may help in efficient manufacturing of dental blanks at minimized costs and maximized quality.

Abstract: The invention relates to a colouring solution for colouring a dental ceramic article, the solution comprising: a solvent and a colouring agent, comprising rare earth element metals or ions being present in the solution in an amount of at least about 0.05 mol/l solvent and transition metals or ions being present in the solution in an amount of about 0.00001 to about 0.05 mol/l solvent. The invention also relates to a process for colouring dental ceramic articles, dental ceramic articles treated either with the colouring solution or obtainable by a process comprising the step of firing the dental ceramic articles.

Abstract: The invention relates to a colouring solution for dental ceramic framework comprising a solvent, a colouring agent comprising metal ions, and a complexing agent, wherein the amount of complexing agent is sufficient to dissolve the colouring agent in the solvent. The invention also relates to a process for colouring dental ceramic framework and dental ceramic framework coloured with the colouring solution.

Abstract: A process for the dimensionally-true sintering of ceramic pre-shaped items, in which the firing material is resting during sintering on supporting devices, not coated with metal, which independently adapt to the shrinkage dimensions which occur during the firing process or allow a contact-free support of the pre-shaped items.

Abstract: The invention relates to a method of producing a dental prosthesis, comprising the steps:

Abstract: The invention relates to blanks comprising zirconium oxide-based ceramic with an addition of 0.1 to 0.50 wt.-% of at least one of the oxides of the elements aluminium, gallium, germanium, indium and their use.

Abstract: The invention relates to the coloring of ceramics by means of ionic or complex-containing solutions. Solutions preferred for this contain defined concentrations of at least one of the salts or complexes of the rare earth elements or the elements of the subgroups. The invention also relates to a kit, which comprises at least one stock bottle with such a coloring solution, a receptacle for the coloring as well as optionally a screen.