Dental ceramic coloring liquid having masking property
AssigneeKuraray Noritake Dental Inc.
InventorsHiroyuki Sakamoto, Nobusuke Kashiki, Atsushi Matsuura
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Abstract
The present invention provides a dental ceramic coloring liquid with which a decrease in the mechanical strength of a dental ceramic after sintering can be reduced, and that can impart masking properties while having good preservation stability. The present invention relates to a dental ceramic coloring liquid comprising an organosilicon compound. The organosilicon compound is preferably hydrophilic. The organosilicon compound is preferably a silicone compound. The organosilicon compound is preferably an alkylsilane compound.
Claims12
A coloring liquid for coloring a dental ceramic, comprising:
- (i) an organosilicon compound;
- (ii) a coloring component;
- and
- (iii) water and/or an organic solvent, wherein:
- the organosilicon compound is an alkylsilane compound,
- the coloring component comprises at least one component selected from the group consisting of Al, K, Zr, Cr, Na, V, Y, Gd, La, Yb, Tm, Ni, Mn, Co, Nd, Pr, Tb, and Er, and the coloring component does not comprise Cu,
- if present, the organic solvent consists of one or more solvents selected from the group consisting of an alcohol, a glycol, a triol, and a ketone, and
- the coloring liquid does not comprise a phosphorus-containing component.
Dependencies are inferred from the claim text.