A coated article (20;60) includes a substrate (22) and a coating (24;62) on the substrate. The coating includes at least a first layer (30). The first layer has: a matrix (50); and a filler (52) at 2.0% to 40% by volume in the first layer. The first layer is selected from alkaline earth or transition metal (M) tungstates (MWO4); alkaline earth molybdates (MMoO.sub.4); rare earth (RE) phosphates (REPO.sub.4); and combinations thereof.

A coated article (20;60) includes a substrate (22) and a coating (24;62) on the substrate. The coating includes at least a first layer (30). The first layer has: a matrix (50); and a filler (52) at 2.0% to 40% by volume in the first layer. The first layer is selected from alkaline earth or transition metal (M) tungstates (MWO4); alkaline earth molybdates (MMoO.sub.4); rare earth (RE) phosphates (REPO.sub.4); and combinations thereof.

The present invention relates to a method for producing an antibacterial photocatalytic ceramic that comprises: —making available at least one amorphous metal; —making available a biomimetic material or a biomaterial based on calcium phosphate; —functionalizing said biomimetic material or said biomaterial based on calcium phosphate, with said at least one amorphous metal, obtaining a functionalized and oriented composite; —adding said functionalized composite to a ceramic mixture, and/or applying said functionalized composite on a ceramic semi-finished product, where ceramic semi-finished product means the ceramic material before baking; —applying said functionalized composite on a ceramic semi-finished product; —baking at a temperature between 600 and 1400° C., preferably between 900 and 1300° C., for a time that varies from 20 to 500 minutes, obtaining an antibacterial photocatalytic ceramic. The present invention further relates to a photocatalytic ceramic material that comprises a biomimetic material having a nanostructured hierarchical structure with macro and micro cavities, within which at least one photocatalytic material selected from metal oxides and/or sulphides in the crystalline form with a rutile-like structure is included, and tiles, sanitary ware and tableware comprising the same.

The present invention relates to a method for producing an antibacterial photocatalytic ceramic that comprises: —making available at least one amorphous metal; —making available a biomimetic material or a biomaterial based on calcium phosphate; —functionalizing said biomimetic material or said biomaterial based on calcium phosphate, with said at least one amorphous metal, obtaining a functionalized and oriented composite; —adding said functionalized composite to a ceramic mixture, and/or applying said functionalized composite on a ceramic semi-finished product, where ceramic semi-finished product means the ceramic material before baking; —applying said functionalized composite on a ceramic semi-finished product; —baking at a temperature between 600 and 1400° C., preferably between 900 and 1300° C., for a time that varies from 20 to 500 minutes, obtaining an antibacterial photocatalytic ceramic. The present invention further relates to a photocatalytic ceramic material that comprises a biomimetic material having a nanostructured hierarchical structure with macro and micro cavities, within which at least one photocatalytic material selected from metal oxides and/or sulphides in the crystalline form with a rutile-like structure is included, and tiles, sanitary ware and tableware comprising the same.

The present invention relates to a method for producing an antibacterial photocatalytic ceramic that comprises: making available amorphous Ti; making available a biomimetic material or a biomaterial based on calcium phosphate; functionalizing said biomimetic material or said biomaterial based on calcium phosphate, with said amorphous Ti, obtaining a functionalized and oriented composite; adding said functionalized composite to a ceramic mixture, and/or applying said functionalized composite on a ceramic semi-finished product, where ceramic semi-finished product means the ceramic material before baking; applying said functionalized composite on a ceramic semi-finished product; baking at a temperature between 600 and 1400° C., preferably between 900 and 1300° C., for a time that varies from 20 to 500 minutes, obtaining an antibacterial photocatalytic ceramic. The present invention further relates to a photocatalytic ceramic material that comprises a biomimetic material having a nanostructured hierarchical structure with macro and micro cavities, within which TiO.sub.2 is included in the crystalline form of rutile, and tiles, sanitary ware and tableware comprising same.

The present invention relates to a method for producing an antibacterial photocatalytic ceramic that comprises: making available amorphous Ti; making available a biomimetic material or a biomaterial based on calcium phosphate; functionalizing said biomimetic material or said biomaterial based on calcium phosphate, with said amorphous Ti, obtaining a functionalized and oriented composite; adding said functionalized composite to a ceramic mixture, and/or applying said functionalized composite on a ceramic semi-finished product, where ceramic semi-finished product means the ceramic material before baking; applying said functionalized composite on a ceramic semi-finished product; baking at a temperature between 600 and 1400° C., preferably between 900 and 1300° C., for a time that varies from 20 to 500 minutes, obtaining an antibacterial photocatalytic ceramic. The present invention further relates to a photocatalytic ceramic material that comprises a biomimetic material having a nanostructured hierarchical structure with macro and micro cavities, within which TiO.sub.2 is included in the crystalline form of rutile, and tiles, sanitary ware and tableware comprising same.

The present invention relates to a method for constructing a whitlockite coating on a surface of a calcium phosphate-based bioceramic substrate and a resulting coating, wherein the preparation method includes the following steps of: preparing pure calcium phosphate-based bioceramic powder firstly, then pre-firing, shaping and calcining the pure calcium phosphate-based bioceramic powder to obtain a calcium phosphate-based bioceramic substrate, placing the substrate in a solution containing Mg.sup.2+, then transferring the substrate to a high-temperature high-pressure reaction kettle for a hydrothermal reaction, and then cleaning and drying the sample to obtain a whitlockite coating.

A method for producing an implant blank (100), in particular a dental implant blank from a starting body, said implant blank (100) comprising at least one first area, which is a surface area (102), and a second area, which is a core area (101), wherein the surface area (102) has at least one bioactive surface material (502) and extends from at least one first surface (103) in the direction of the core area (101), and the core area (101) has at least one carrier material that can be subjected to mechanical load. The starting body has a porosity for controlling a targeted distribution of the bioactive surface material (502) within the starting body and is loaded with a solution (500) of the bioactive surface material (502) in a first step, which is a loading step. In a second step, which is a distribution control step, the distribution of the bioactive surface material (502) within the starting body is controlled such that the solution (500) has a higher concentration within the surface area (102) than within the core area (101), the control being effected by regulating one or more environmental parameters in a closed environment (200), in particular by regulating the humidity and/or the pressure and/or the temperature.

A method for producing an implant blank (100), in particular a dental implant blank from a starting body, said implant blank (100) comprising at least one first area, which is a surface area (102), and a second area, which is a core area (101), wherein the surface area (102) has at least one bioactive surface material (502) and extends from at least one first surface (103) in the direction of the core area (101), and the core area (101) has at least one carrier material that can be subjected to mechanical load. The starting body has a porosity for controlling a targeted distribution of the bioactive surface material (502) within the starting body and is loaded with a solution (500) of the bioactive surface material (502) in a first step, which is a loading step. In a second step, which is a distribution control step, the distribution of the bioactive surface material (502) within the starting body is controlled such that the solution (500) has a higher concentration within the surface area (102) than within the core area (101), the control being effected by regulating one or more environmental parameters in a closed environment (200), in particular by regulating the humidity and/or the pressure and/or the temperature.

A zirconia material manufacturing method includes: dispersing hydroxyapatite powder in water to prepare a slurry having a hydroxyapatite powder concentration of 1%; and dipping zirconia in the slurry to form, on the zirconia, a coating layer containing hydroxyapatite.