Patents Assigned to Heraeus Kulzer GmbH
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Patent number: 10945822Abstract: Method for producing a three-dimensional model of at least a partial jaw comprising: fully-automatic shaping of at least one recess for accommodating a laboratory analogue into the alveolar ridge of the model using three-dimensional scanning data and shaping the depth, position, and orientation of the at least one recess such that the crestal end of the laboratory analogue inserted into said recess coincides with the crestal end of the dental implant in the jaw; or fully-automatic shaping of at least one vestibular, lingual or palatinal feed-through through the model into the at least one recess using three-dimensional scanning data and arranging the feed-through such that the crestal end of a laboratory analogue coincides with the crestal end of the dental implant in the jaw when the laboratory analogue is fixed in place with a pin inserted through the feed-through in the model into an opening in the laboratory analogue.Type: GrantFiled: January 9, 2017Date of Patent: March 16, 2021Assignee: HERAEUS KULZER GMBHInventors: Yohannes Woldegergis, Stefan Hormann, Helmut Redemann, Uwe Boehm
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Patent number: 10610341Abstract: The invention relates to a device and a method for the production of three-dimensional objects, in particular of at least parts of dental prosthetic restorations, by a stripping device wiping off plastic material, which protrudes vertically beyond a container, into a collecting container and forms a projection surface. According to the invention, a stripping device and a light source are coupled and simultaneously guided, at a defined distance, across the liquid light-curing plastic material, whereby the stripping device is guided at a defined distance right ahead of the light source and forms the projection surface for the illuminated field of the light source.Type: GrantFiled: June 17, 2015Date of Patent: April 7, 2020Assignee: HERAEUS KULZER GMBHInventors: Christian Bauer, Yohannes Woldegergis, Uwe Brick
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Patent number: 10420712Abstract: The subject matter of the invention is a three-dimensional molded body, in particular a milling blank, made of a polymerizable prosthetic material, which is suitable for milling machining by means of CNC and/or CAD/CAM, having a fracture toughness of greater than or equal to 1.9 Mpa·m1/2 and a fracture work of greater than or equal to 900 J/m2. The milling blank preferably comprises core-shell particles modified by an elastic phase and is optionally based on a content of urethane (meth)acrylate polymerized into the polymer. Moreover, a subject matter of the invention is the use of the milling blanks for the production of at least parts of dental prosthetic parts, such as a prosthesis, artificial teeth, bridges, or of orthodontic appliances and instruments in medical field.Type: GrantFiled: June 30, 2015Date of Patent: September 24, 2019Assignee: HERAEUS KULZER GMBHInventors: Klaus Ruppert, Alfred Hohmann, Stephan Dekert
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Patent number: 10258441Abstract: The invention relates to a process for producing a dental prosthesis with the chronological steps: A) Inserting the prosthetic teeth into the prosthetic base and connecting them with it in such a way that after their insertion into the prosthetic base the prosthetic teeth have limited movability in the prosthetic base B) Changing the position and/or the orientation of at least one prosthetic tooth in the prosthetic base; C) Fixing the prosthetic teeth on the coronal side in a key, and securing the orientation and position of the prosthetic teeth to one another in the changed position and/or orientation; D) Separating the prosthetic teeth from the prosthetic base; F) Fastening the prosthetic teeth in the prosthetic base with a cement or an adhesive, the gaps between the surfaces of the prosthetic base that are provided for fixation of the prosthetic teeth and the prosthetic teeth being filled with the cement or the adhesive; and G) Allowing the cement or adhesive to harden, the prosthetic teeth being solidlType: GrantFiled: July 3, 2015Date of Patent: April 16, 2019Assignee: Heraeus Kulzer GmbHInventors: Uwe Boehm, Klaus Ruppert, Stephan Dekert
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Patent number: 10206767Abstract: The invention relates to a temporary dental prosthesis for determining abrasion facets, having at least one prosthetic tooth, in which at least the occlusion surface of the prosthetic tooth or at least one of the prosthetic teeth is made of a material that is abradable such that, within a maximum of 12 weeks of use as a dental prosthesis by a patient, abrasion facets are produced on the prosthetic teeth and are suitable for ascertaining the chewing movements of the jaw of the patient. The invention also relates to a method for determining the chewing movement of a set of teeth from measured abrasion facets, in which a temporary dental prosthesis made of an abradable material is inserted in a patient, and to a method for producing a final dental prosthesis.Type: GrantFiled: July 13, 2015Date of Patent: February 19, 2019Assignee: Heraeus Kulzer GmbHInventors: Uwe Boehm, Matthias Funk
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Publication number: 20180110585Abstract: The invention relates to dental micro-applicators having a body with a distal and a proximal end, whereby, on the proximal end, an application aid is provided, at least in part, with at least one additive selected from metals, metal-containing compounds, and organometallic compounds for affecting the polymerisation of dental materials, as well as a method for the production thereof and a kit comprising the applicator and a dental adhesive.Type: ApplicationFiled: May 27, 2015Publication date: April 26, 2018Applicant: HERAEUS KULZER GMBHInventors: Waltraut LOH, Astrit KASTRATI, Bärbel QUINQUE, Regina EPPINGER, Marcus HOFFMANN
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Patent number: 9918810Abstract: The invention relates to a method for producing a dental prosthesis, wherein the dental prosthesis comprises a prosthesis base and a plurality of prosthesis teeth, wherein the method is carried out making use of a virtual three-dimensional dental prosthesis model of the physical dental prosthesis which is to be produced, and wherein the virtual three-dimensional dental prosthesis model comprises virtual prosthesis teeth and a virtual prosthesis base, with the steps: from the external form of the vestibular surfaces and/or occlusal surfaces of the virtual prosthesis teeth, and from the external form of the vestibular surface of the virtual prosthesis base of the virtual three-dimensional dental prosthesis model, a virtual model of a template is calculated, such that a region of the virtual surface of the virtual template is formed by a negative of the vestibular surfaces and/or occlusal surfaces of the virtual prosthesis teeth and of the virtual prosthesis base, wherein the location and the orientation of tType: GrantFiled: December 4, 2015Date of Patent: March 20, 2018Assignee: Heraeus Kulzer GmbHInventors: Matthias Funk, Jochen Sagolla, Helmut Redemann
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Publication number: 20170340773Abstract: The subject matter of the invention is an autopolymerisable two-component prosthetic base material and a method for its production comprising A) at least one liquid monomer component, and B) at least one powdered component, whereby the prosthetic material comprises in components (A) and/or (B) (i) at least one initiator or one initiator system for autopolymerisation, (ii) core-shell particles modified by an elastic phase, and (iii) at least one urethane (meth)acrylate.Type: ApplicationFiled: June 30, 2015Publication date: November 30, 2017Applicant: HERAEUS KULZER GMBHInventors: Klaus RUPPERT, Alfred HOHMANN, Stephan DEKERT
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Publication number: 20170265971Abstract: The invention relates to a method for producing a dental prosthesis, wherein the dental prosthesis comprises a prosthesis base and a plurality of prosthesis teeth, wherein the method is carried out making use of a virtual three-dimensional dental prosthesis model of the physical dental prosthesis which is to be produced, and wherein the virtual three-dimensional dental prosthesis model comprises virtual prosthesis teeth and a virtual prosthesis base, with the steps: from the external form of the vestibular surfaces and/or occlusal surfaces of the virtual prosthesis teeth, and from the external form of the vestibular surface of the virtual prosthesis base of the virtual three-dimensional dental prosthesis model, a virtual model of a template is calculated, such that a region of the virtual surface of the virtual template is formed by a negative of the vestibular surfaces and/or occlusal surfaces of the virtual prosthesis teeth and of the virtual prosthesis base, wherein the location and the orientation of theType: ApplicationFiled: December 4, 2015Publication date: September 21, 2017Applicant: Heraeus Kulzer GmbHInventors: Matthias Funk, Jochen Sagolla, Helmut Redemann
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Publication number: 20170252135Abstract: Gingiva indexing devices and methods with various defined red colour regions have a colour grey card or grey card assigned to it for detecting the gingiva status, in particular for producing a gingival restoration. The devices and method comprise an analysis of at least one region of the gingiva status with regard to its shades of red, the position of the shades of red, the colour profile of the shades of red, their geometry and/or their morphology. The analysis can take place manually and/or digitally, and gingiva information is obtained, in particular in the form of a gingiva map, and optional production of a virtual or real model of a gingival restoration as a reproduction of the missing part of the gums and/or part of gingiva.Type: ApplicationFiled: January 28, 2015Publication date: September 7, 2017Applicant: Heraeus Kulzer GmbHInventors: David J. REAY, Harald KUBIAK-ESSSMANN
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Publication number: 20170246796Abstract: The invention relates to a device and a method for the production of three-dimensional objects, in particular of at least parts of dental prosthetic restorations, by a stripping device wiping off plastic material, which protrudes vertically beyond a container, into a collecting container and forms a projection surface. According to the invention, a stripping device and a light source are coupled and simultaneously guided, at a defined distance, across the liquid light-curing plastic material, whereby the stripping device is guided at a defined distance right ahead of the light source and forms the projection surface for the illuminated field of the light source.Type: ApplicationFiled: June 17, 2015Publication date: August 31, 2017Applicant: HERAEUS KULZER GMBHInventors: Christian BAUER, Yohannes WOLDEGERGIS, Uwe BRICK
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Publication number: 20170202651Abstract: The invention relates to a dental prosthesis, in particular prefabricated tooth replacements, whereby a layer of a film is integrated into the dental prosthesis. Preferably, the dental prosthesis is built up layer-wise, whereby the prosthesis comprises an inner tooth portion, a film on the inner tooth portion, and a further tooth portion outside on the film, such as a veneer and/or incisor shell. The method for producing said dental prostheses is also a subject matter of the invention.Type: ApplicationFiled: June 26, 2015Publication date: July 20, 2017Applicant: Heraeus Kulzer GmbHInventors: Karl-Heinz RENZ, Frank-Uwe STANGE, Marlene NIESE
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Publication number: 20170196666Abstract: Dental compositions and methods provide a flowable ceramic powder of a powdered component, wherein the compositions and methods comprise at least one dental glass, glass ceramics, metal oxide, mixed oxide selected from metal oxides and/or a mixture comprising at least two of said components, a printable dental ink. Moreover, the compositions and methods produce dental prosthetic form bodies.Type: ApplicationFiled: May 22, 2015Publication date: July 13, 2017Applicant: Heraeus Kulzer GmbHInventors: Uwe BÖHM, Mario BEYER, Yvonne ZIEGLER, Jürgen STEIDL
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Patent number: 9700388Abstract: The present invention relates to a mounting element (10) for fixing removable tooth prostheses which are anchored by an implant, comprising a lower end (13) for fastening the mounting elements (10) having an implant (21) or abutment; and an upper end for connecting the mounting element having a tooth prosthesis, optionally a friction insert; characterised in that the main body of the mounting element (10) has an outer ring (11).Type: GrantFiled: November 7, 2013Date of Patent: July 11, 2017Assignee: HERAEUS KULZER GMBHInventors: Thomas Jehle, Otmar Siegele
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Publication number: 20170189138Abstract: The invention relates to dental micro-applicators having a body with a distal and a proximal end, whereby, on the proximal end, an application aid is provided, at least in part, with at least one additive selected from metals, metal-containing compounds, and organometallic compounds for affecting the polymerisation of dental materials, as well as a method for the production thereof and a kit comprising the applicator and a dental adhesive.Type: ApplicationFiled: May 27, 2015Publication date: July 6, 2017Applicant: HERAEUS KULZER GMBHInventors: Waltraut LOH, Astrit KASTRATI, Bärbel QUINQUE, Regina EPPINGER, Marcus HOFFMANN
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Publication number: 20170157862Abstract: The invention relates to a device and a method for the production of three-dimensional objects, in particular of at least parts of dental prosthetic restorations, by a stripping device wiping off plastic material, which protrudes vertically beyond a container, into a collecting container and forms a projection surface. In particular, a stripping device and a light source are simultaneously guided, at a defined distance, across the liquid light-curing plastic material, whereby the stripping device is guided at a defined distance right ahead of the light source and forms the projection surface for the illuminated field of the light source.Type: ApplicationFiled: June 17, 2015Publication date: June 8, 2017Applicant: HERAEUS KULZER GMBHInventor: Christian BAUER
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Publication number: 20170156990Abstract: The subject matter of the invention is a three-dimensional moulded body, in particular a milling blank, made of a polymerisable prosthetic material, which is suitable for milling machining by means of CNC and/or CAD/CAM, having a fracture toughness of greater than or equal to 1.9 Mpa·m1/2 and a fracture work of greater than or equal to 900 J/m2. The milling blank preferably comprises core-shell particles modified by an elastic phase and is optionally based on a content of urethane (meth)acrylate polymerised into the polymer. Moreover, a subject matter of the invention is the use of the milling blanks for the production of at least parts of dental prosthetic parts, such as a prosthesis, artificial teeth, bridges, or of orthodontic appliances and instruments in medical field.Type: ApplicationFiled: June 30, 2015Publication date: June 8, 2017Applicant: HERAEUS KULZER GMBHInventors: Klaus RUPPERT, Alfred HOHMANN, Stephan DEKERT
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Publication number: 20170151368Abstract: The subject matter of the invention is an autopolymerisable two-component prosthetic base material and a method for its production comprising A) at least one liquid monomer component, and B) at least one powdered component, whereby the prosthetic material comprises in components (A) and/or (B) (i) at least one initiator or one initiator system for autopolymerisation, (ii) core-shell particles modified by an elastic phase, and (iii) at least one urethane (meth)acrylate.Type: ApplicationFiled: June 30, 2015Publication date: June 1, 2017Applicant: HERAEUS KULZER GMBHInventors: Klaus RUPPERT, Alfred HOHMANN, Stephan DEKERT
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Patent number: 9642781Abstract: The invention relates to a particulate glass filler wherein glass particles of 0.2 to 1 ?m mean particle size are connected with other particles, the connection being effected by the glass material itself. More precisely particulate glass filler comprising glass particles, wherein the particles contains centrally located macro glass particles and on the outer surface located micro glass particles wherein the macro and micro glass particles are connected by the material of said particles. Further the invention relates to a method for manufacturing the glass particles and the particulate glass filler comprising said glass particles. It also relates to a composite or dental material comprising the above particulate glass filler.Type: GrantFiled: May 13, 2014Date of Patent: May 9, 2017Assignee: HERAEUS KULZER GMBHInventors: Wenling Yang, Hengchang Xu, Andreas Utterodt
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Publication number: 20170112602Abstract: Method for producing a three-dimensional model of at least a partial jaw comprising: fully-automatic shaping of at least one recess for accommodating a laboratory analogue into the alveolar ridge of the model using three-dimensional scanning data and shaping the depth, position, and orientation of the at least one recess such that the crestal end of the laboratory analogue inserted into said recess coincides with the crestal end of the dental implant in the jaw; or fully-automatic shaping of at least one vestibular, lingual or palatinal feed-through through the model into the at least one recess using three-dimensional scanning data and arranging the feed-through such that the crestal end of a laboratory analogue coincides with the crestal end of the dental implant in the jaw when the laboratory analogue is fixed in place with a pin inserted through the feed-through in the model into an opening in the laboratory analogue.Type: ApplicationFiled: January 9, 2017Publication date: April 27, 2017Applicant: Heraeus Kulzer GmbHInventors: YOHANNES WOLDEGERGIS, STEFAN HORMANN, HELMUT REDEMANN, UWE BOEHM