Opaque imparting liquid for zirconia
To provide a liquid material which can only adjust transparency by applying on a part of a zirconia crown having high transparency, without coloring. The present disclosure provides an opaque imparting liquid used for a prosthesis device cut and machined from a dental zirconia for cutting and machining, comprising; (a) 10 to 39 wt. % of a water-soluble aluminum compound and/or a water-soluble lanthanum compound, (b) 60 to 89 wt. % of water, and (c) 1 to 20 wt. % of an organic solvent.
1. An opaque imparting liquid used for a prosthesis device cut and machined from a dental zirconia for cutting and machining, consisting of:
(a) 10 to 39 wt. % of a water-soluble aluminum compound and/or a water-soluble lanthanum compound,
(b) 60 to 89 wt. % of water, and
(c) 1 to 20 wt. % of an organic solvent, wherein the opaque imparting liquid further consists of an organic marker.
2. The opaque imparting liquid according to claim 1 , wherein
the organic solvent (c) contains a member selected from the group consisting of alcohols, polyol and glycol ethers.
3. The opaque imparting liquid according to claim 1 , wherein
the water-soluble aluminum compound and/or the water-soluble lanthanum compound (a) contains aluminum acetate and/or lanthanum acetate.
4. The opaque imparting liquid according to claim 1 , wherein
the dental zirconia for cutting and machining is colored by a zirconia powder where iron, erbium and/or cobalt is solid-solved.
5. An opaque imparting method comprising;
applying the opaque imparting liquid according to claim 1 only to an inner surface of a prosthesis device cut and machined from a dental zirconia for cutting and machining.
6. The opaque imparting method according to claim 5 , wherein
the prosthesis device cut and machined from the dental zirconia for cutting and machining is a crown or a bridge.
7. The opaque imparting liquid according to claim 2 , wherein
the water-soluble aluminum compound and/or the water-soluble lanthanum compound (a) contains aluminum acetate and lanthanum acetate.
8. The opaque imparting liquid according to claim 2 , wherein
the dental zirconia for cutting and machining is colored by a zirconia powder where iron, erbium and/or cobalt is solid-solved.
9. The opaque imparting liquid according to claim 3 , wherein
the dental zirconia for cutting and machining is colored by a zirconia powder where iron, erbium and/or cobalt is solid-solved.
10. An opaque imparting method comprising;
applying the opaque imparting liquid according to claim 9 only to an inner surface of a prosthesis device cut and machined from a dental zirconia for cutting and machining.
11. The opaque imparting method according to claim 10 , wherein
the prosthesis device cut and machined from the dental zirconia for cutting and machining is a crown or a bridge.
12. An opaque imparting method comprising;
applying the opaque imparting liquid according to claim 2 only to an inner surface of a prosthesis device cut and machined from a dental zirconia for cutting and machining.
13. The opaque imparting method according to claim 12 , wherein
the prosthesis device cut and machined from the dental zirconia for cutting and machining is a crown or a bridge.
14. An opaque imparting method comprising;
applying the opaque imparting liquid according to claim 3 only to an inner surface of a prosthesis device cut and machined from a dental zirconia for cutting and machining.
15. The opaque imparting method according to claim 14 , wherein
the prosthesis device cut and machined from the dental zirconia for cutting and machining is a crown or a bridge.
16. An opaque imparting method comprising;
the opaque imparting liquid according to claim 4 is applied only to an inner surface of a prosthesis device cut and machined from a dental zirconia for cutting and machining.
17. The opaque imparting method according to claim 16 , wherein
the prosthesis device cut and machined from the dental zirconia for cutting and machining is a crown or a bridge.