Patent application number | Description | Published |
20090029043 | Multifunctional star-shaped prepolymers, their preparation and use - The present invention relates to coatings that possess a dynamic contact angle hysteresis in water, measured by means of a Wilhelmy balance according to DIN EN 14370, of at most 15°, and are can be manufactured from star-shaped prepolymers and/or star-shaped prepolymer-nanoparticle complexes that are cross-linkable with one another and with the surface of the substrate to be coated, the star-shaped prepolymers and/or star-shaped prepolymer-nanoparticle complexes possessing, before being cross-linked, at least three hydrophilic polymer arms that, considered of themselves, are soluble in water, and that carry on all or on some of their free ends R | 01-29-2009 |
20100062398 | COLOURING SOLUTION FOR DENTAL CERAMIC FRAMEWORK AND RELATED METHODS - 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. | 03-11-2010 |
20100221682 | RESTORATION, RESTORATION COMPONENTS, AND METHODS OF MAKING A DENTAL RESTORATION - A method is provided for making a dental restoration at a certain tooth color shade. The method comprises joining a veneer precursor, a framework and a compensation material to form the dental restoration. The tooth color shade is selected from among a continuous range of tooth color shades, but individual components of the dental restoration may be selected from discrete color shades. Further, a dental restoration, a kit and a use of the kit are provided in accordance with the invention. | 09-02-2010 |
20100221683 | COLOURING SOLUTION FOR DENTAL CERAMIC ARTICLES AND RELATED METHODS - 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. | 09-02-2010 |
20110151411 | DENTAL APPLIANCE, PROCESS FOR PRODUCING A DENTAL APPLIANCE AND USE THEREOF - The invention relates to a process for producing a dental appliance, the process comprising the steps of a) providing a mixture of a liquid, an inorganic binder precursor being able to undergo a sol/gel reaction and a glass or glass ceramic powder, b) casting the mixture into a mould, c) drying the cast mixture in the mould to obtain a machinable dental appliance, d) optionally machining the dental appliance to obtain a dental workpiece, e) optionally removing the dental appliance or dental workpiece from the mould, f) optionally sintering the dental appliance or dental workpiece and to a dental appliance obtainable by such a process. | 06-23-2011 |
20110236860 | Dental Ceramic Article, Process for Production and Use Thereof - The invention describes a dental article comprising zirconium oxide and at least two different colouring substances A and B, substance A showing a light emission in the range of about 470 nm to about 510 nm and substance B showing a light absorption in the range from about 520 nm to about 750 nm. The invention also relates to different processes of producing the dental article e.g. by a process comprising a casting step, a pressing step, or an infiltration step and to the use of certain compositions containing either substance A or substance B for producing such a dental article. | 09-29-2011 |
20120015327 | COMPOSITION FOR ATTACHING A DENTAL FACING ON A DENTAL SUPPORT STRUCTURE, PROCESS AND USE THEREOF - The present invention relates to a composition for attaching a dental facing on a dental support structure comprising water, a glass and/or glass ceramic material, a rheological modifier with a molecular weight above about 500,000. The invention also relates to a process comprising the steps: providing a dental facing precursor and a dental support structure, both having an upper and a lower surface, attaching the dental facing precursor with its lower surface to the upper surface of the dental support structure, comprising the step of placing a mating composition between the lower surface of the dental facing precursor and the upper surface of the dental support structure and to the use of the inventive composition for producing dental restorations. | 01-19-2012 |
20120175801 | SYSTEMS AND METHODS FOR MAKING LAYERED DENTAL APPLIANCES FROM THE OUTSIDE IN - A system and method for making a layered dental appliance. The system can include a first portion comprising a negative of a first layer of a layered dental appliance, and a second portion comprising a positive shape of a second layer of the layered dental appliance. The method can include providing a mold comprising a negative of an outer shape of a layered dental appliance, and positioning a slurry in the mold, forming a first layer of the layered dental appliance. The method can further include providing a solid structure comprising a positive shape of a second layer of the layered dental appliance, and pressing the solid structure into the slurry in the mold. | 07-12-2012 |
20120175802 | SYSTEMS AND METHODS FOR MAKING LAYERED DENTAL APPLIANCES - A system and method for making a layered dental appliance. The system can include a first mold comprising a negative of a first layer of a layered dental appliance, a second mold comprising a negative of a second layer, and a dental core dimensioned to be at least partially received in the first mold and the second mold. The method can include positioning a first slurry in the first mold, and pressing the dental core into the first slurry to form a first article comprising the dental core and a first layer formed from the first slurry. The method can further include removing the first article from the first mold, positioning a second slurry in the second mold, and pressing the first article into the second slurry to form a second article comprising the dental core, the first layer, and a second layer formed from the second slurry. | 07-12-2012 |
20120193823 | SYSTEMS AND METHODS FOR MAKING LAYERED DENTAL APPLIANCES - A system and method for making a layered dental appliance. The system can include a mold comprising a negative of an outer shape of a layered dental appliance, and a dental core dimensioned to be at least partially received in the mold. The method can include positioning a first slurry in the mold, and pressing the dental core into the first slurry in the mold to form a first article comprising the dental core and a first layer formed from the first slurry. The method can further include removing the first article from the mold, and firing the first article. The method can further include positioning a second slurry in the mold, and pressing the first article into the second slurry in the mold to form a second article comprising the dental core, the first layer, and a second layer formed from the second slurry. | 08-02-2012 |
20120285019 | METHODS FOR MAKING LAYERED DENTAL APPLIANCES - Method for making a layered dental restoration, the method includes providing a solid structure (e.g., a die or a dental core, such as a fully sintered ceramic dental core) having a desired outer shape, and applying a first slurry to the solid structure to form a first free form layer on the solid structure. The method further include solidifying the first free form layer on the solid structure, and machining the solidified first free form layer to a desired shape to form a first article comprising the solid structure and a first shaped layer. The method can further include applying, solidifying, and machining a second layer in a similar way to form a second article comprising the solid structure, the first shaped layer, and a second shaped layer. The free form layers need not be exposed to a high temperature prior to being machined. | 11-15-2012 |
Patent application number | Description | Published |
20130059272 | DENTAL CERAMIC ARTICLE, PROCESS FOR PRODUCTION AND USE THEREOF - The invention relates to a dental article comprising two sections, section A and section B, section A having an upper and a lower surface portion, section A comprising zirconia in an amount of at least about 80 mol %, a stabilizer and a component X comprising Dy or Sm or Eu or mixtures thereof, section B comprising a glass, glass ceramic or composite material, section B being located above the upper surface portion of section A. | 03-07-2013 |
20130180110 | METHODS FOR MAKING LAYERED DENTAL APPLIANCES - Methods for making a layered dental appliance. Some methods of the present disclosure can include providing a solid structure (e.g., a die or a dental core, such as a fully sintered ceramic dental core) having a desired outer shape, and applying a slurry to the solid structure to form a first free form layer on the solid structure. The slurry can include at least one of a glass and a glass ceramic. The method can further include firing the first free form layer on the solid structure, and machining the fired first free form layer to a desired shape to form a first article comprising the solid structure and a first shaped layer. Some methods can further include additional applying, firing, and machining steps to achieve a resulting dental appliance having a desired number of layers. Some methods can include removing the solid structure. | 07-18-2013 |
20130341812 | DENTAL CERAMIC ARTICLE, PROCESS OF PRODUCTION AND USE THEREOF - The present disclosure relates to a dental ceramic article comprising ceramic components, the ceramic components having ZrO2 and Al2O3 and at least one component comprising Mn, Er or mixtures thereof, Al2O3 being present in an amount below about 0.15 wt.-% with respect to the weight of the ceramic article. The present disclosure relates also to kit of parts comprising a ceramic article and a colouring solution and processes for producing a dental ceramic article. | 12-26-2013 |
20140377718 | DENTAL MILLING BLOCK CONTAINING INDIVIDUALIZED DENTAL ARTICLE AND PROCESS OF PRODUCTION - The invention relates to a dental milling block ( | 12-25-2014 |
20150182317 | RESTORATION, RESTORATION COMPONENTS, AND METHODS OF MAKING A DENTAL RESTORATION - A method is provided for making a dental restoration at a certain tooth color shade. The method comprises joining a veneer precursor, a framework and a compensation material to form the dental restoration. The tooth color shade is selected from among a continuous range of tooth color shades, but individual components of the dental restoration may be selected from discrete color shades. Further, a dental restoration, a kit and a use of the kit are provided in accordance with the invention. | 07-02-2015 |
20150203650 | AEROGELS, CALCINED AND CRYSTALLINE ARTICLES AND METHODS OF MAKING THE SAME - Aerogel, calcined articles, and crystalline articles comprising ZrO | 07-23-2015 |
20150238291 | DENTAL BLANK COMPRISING A PRE-SINTERED POROUS ZIRCONIA MATERIAL, PROCESS OF ITS PRODUCTION AND DENTAL ARTICLE FORMED FROM SAID DENTAL BLANK - The invention relates to a dental mill blank comprising a pre-sintered porous zirconia material, the porous pre-sintered zirconia material showing a N2 adsorption of isotherm type IV according to IUPAC classification, the porous pre-sintered zirconia material having a Vickers hardness from about 25 to about 150, the dental mill blank comprising means for reversible attaching it to a machining device. The invention also relates to a process of producing a zirconia dental article comprising the steps of providing a dental mill blank comprising a porous pre-sintered zirconia material, placing the dental mill blank in a machining device, machining the porous zirconia material and to a dental article obtained by such a process. | 08-27-2015 |