The invention relates to a solution to be selectively applied to individual parts of the surface of dental ceramic(s) and a process for using the solution in the dental field. More specifically the invention relates to a solution comprising a) a solvent, b) an effect agent, and c) a complexing agent
The invention relates to a solution to be selectively applied to individual parts of the surface of dental ceramic(s) and a process for using the solution in the dental field. More specifically the invention relates to a solution comprising a) a solvent, b) an effect agent, and c) a complexing agent. The invention also relates to a kit comprising the solution and to a method of using the solution for selectively treating of parts of the surface dental ceramic(s). The invention also relates to a application instrument suitable for applying the solution.
대표청구항▼
1. A process of selectively treating parts of the surface of a dental ceramic comprising the steps of a) providing a solution and a dental ceramic having an outer surface, wherein the solution comprisesa solvent being miscible with water but not being water,an effect agent comprising metal ions, the
1. A process of selectively treating parts of the surface of a dental ceramic comprising the steps of a) providing a solution and a dental ceramic having an outer surface, wherein the solution comprisesa solvent being miscible with water but not being water,an effect agent comprising metal ions, the effect caused by the effect agent being either colouring, providing fluorescence or a combination thereof,a complexing agent being able to form a complex with the metal ions of the effect agent,wherein the complex is soluble in the solvent, the solution having a viscosity above about 200 mPa*s at 23° C.,wherein the water-content of the solution is below about 10 wt.-% with respect to the whole composition,b) applying the solution to only a part of the outer surface of the dental ceramic,c) optionally drying the dental ceramic, andd) optionally firing the dental ceramic. 2. The process according to claim 1, wherein the dental ceramic comprises ZrO2, Al2O3, TiO2 or mixtures thereof. 3. The process according to claim 2, wherein the dental ceramic fulfills at least one of the following conditions: a) the dental ceramic is in a pre-sintered stage, b) the dental ceramic is wet. 4. A process of selectively treating parts of the surface of a dental ceramic comprising the steps of a) providing a solution and a dental ceramic having an outer surface, wherein the solution comprisesa solvent being miscible with water but not being water and having a molecular weight from about 60 to about 1,000 g/mol,an effect agent comprising metal ions, the effect caused by the effect agent being either colouring, providing fluorescence or a combination thereof,a complexing agent being able to form a complex with the metal ions of the effect agent,wherein the complex is soluble in the solvent, the solution having a viscosity above about 200 mPa*s at 23° C.,wherein the water-content of the solution is below about 10 wt.-% with respect to the whole composition,b) applying the solution to only a part of the outer surface of the dental ceramic,c) optionally drying the dental ceramic, andd) optionally firing the dental ceramic. 5. The process according to claim 4, wherein the solvent comprises a polyalcohol. 6. The process according to claim 4, wherein the solvent comprises ethylene glycol, polyethylene glycols, glycerol, or mixtures thereof. 7. The process according to claim 4, wherein the solvent comprises glycerol. 8. A process of selectively treating parts of the surface of a dental ceramic comprising the steps of a) providing a solution and a dental ceramic having an outer surface, wherein the solution comprisesa solvent being miscible with water but not being water and having a molecular weight from about 100 to about 5,000 g/mol,an effect agent comprising metal ions, the effect caused by the effect agent being either colouring, providing fluorescence or a combination thereof,a complexing agent being able to form a complex with the metal ions of the effect agent,wherein the complex is soluble in the solvent, the solution having a viscosity above about 200 mPa*s at 23° C.,wherein the water-content of the solution is below about 10 wt.-% with respect to the whole composition,b) applying the solution to only a part of the outer surface of the dental ceramic,c) optionally drying the dental ceramic, andd) optionally firing the dental ceramic. 9. The process according to claim 8, wherein the solvent comprises polyethylene glycol. 10. The process according to claim 8, wherein the polyethylene glycol is of the formula: R1O—(CH2-CH2-O)m-R1, where R1 is H, Acyl, Alkyl, Aryl, Alkylaryl, Polypropylglycol, or Poly-THF, and m is about 2 to about 100. 11. The process according to claim 10, where R1 is H, Acetyl, Methyl, Ethyl, Propyl, Butyl, Hexyl, Octyl, Nonyl, Decyl, Lauryl, Tridecyl, Myristyl, Palmityl, Stearyl, Oleyl, Allyl, Phenyl, p-Alkylphenyl, Polypropyleneglycol, or Poly-THF. 12. The process according to claim 10, where m is 2 to 20.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (2)
Suttor, Daniel; Hauptmann, Holger; Schnagl, Robert; Frank, Sybille, Coloring ceramics by way of ionic or complex-containing solutions.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.