Abstract: A method for the production of dental prosthetic moulded parts as well as a ready for use, polymerisable dental material for the production of dental prosthetic moulded parts, such as of total or partial prostheses, parts of bridges, crowns, is proposed. The ready for use dental material, optionally after mixing the separated two paste dental material having an initiator system separated into the pastes and otherwise being essentially identical dental material, is immediately curable or polymerisable, respectively, into prosthetic moulded parts without swelling time. A kit comprising the ready for use, polymerisable dental material, as well as the use of the kit and a method for the production of dental prosthetic moulded parts is also a subject matter of the invention.
Type:
Application
Filed:
March 22, 2016
Publication date:
February 22, 2018
Applicant:
KULZER GMBH
Inventors:
Klaus RUPPERT, Alfred HOHMANN, Stephan DEKERT
Abstract: The invention relates to a prosthesis base, which is made entirely or partially of a prosthesis material and/or wax and has on its top face at least one substantially custom-fit recess (3) for zonally receiving an artificial tooth (1). According to the invention at least one channel (5) is formed in the prosthesis base (2), which opens into said recess (3). Furthermore, the invention relates to a process for the substance-to-substance bond of an artificial tooth (1) to a prosthesis base (2), which is made entirely or partially of a prosthesis material and/or wax and has at least one substantially custom-fit recess (3) for zonally receiving said artificial tooth (1).
Type:
Application
Filed:
June 17, 2015
Publication date:
February 15, 2018
Applicant:
KULZER GMBH
Inventors:
Novica SAVIC, Karl-Heinz RENZ, Silke Maren Gall
Abstract: A dental superstructure with integrated spacers including a main body and at least one integrated spacer. The superstructure is intended to be connected to the at least one osseointegrated dental implant through connection between the integrated spacer and the osseointegrated dental implant. A manufacturing method thereof is also provided.
Abstract: Subject matter of the invention are prosthetic mouldings, which have, at least area by area, at least one layer of biomimetic apatite selected from fluorapatite, hydroxylapatite or their mixtures on their surface, wherein the surface of the mouldings has micromechanical anchoring positions at least in this area to improve mechanical connection of apatite to the surface. Another subject matter of the invention are mouldings for use in dental, prosthetic treatment for tooth loss, in particular for cellular attachment of cells to prosthetic mouldings. Moreover, subject matter of the invention is the method for the production of the prosthetic mouldings.
Type:
Application
Filed:
February 3, 2016
Publication date:
January 11, 2018
Applicant:
KULZER GMBH
Inventors:
Markus BALKENHOL, Marcus HOFFMANN, Andrea LEYER, Susanne BUSCH
Abstract: 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:
Application
Filed:
June 30, 2015
Publication date:
November 30, 2017
Applicant:
HERAEUS KULZER GMBH
Inventors:
Klaus RUPPERT, Alfred HOHMANN, Stephan DEKERT
Abstract: 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 the
Type:
Application
Filed:
December 4, 2015
Publication date:
September 21, 2017
Applicant:
Heraeus Kulzer GmbH
Inventors:
Matthias Funk, Jochen Sagolla, Helmut Redemann
Abstract: 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.
Abstract: 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:
Application
Filed:
June 17, 2015
Publication date:
August 31, 2017
Applicant:
HERAEUS KULZER GMBH
Inventors:
Christian BAUER, Yohannes WOLDEGERGIS, Uwe BRICK
Abstract: 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.
Abstract: 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:
Application
Filed:
May 22, 2015
Publication date:
July 13, 2017
Applicant:
Heraeus Kulzer GmbH
Inventors:
Uwe BÖHM, Mario BEYER, Yvonne ZIEGLER, Jürgen STEIDL
Abstract: 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).
Abstract: 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:
Application
Filed:
May 27, 2015
Publication date:
July 6, 2017
Applicant:
HERAEUS KULZER GMBH
Inventors:
Waltraut LOH, Astrit KASTRATI, Bärbel QUINQUE, Regina EPPINGER, Marcus HOFFMANN
Abstract: 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.
Abstract: 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:
Application
Filed:
June 30, 2015
Publication date:
June 8, 2017
Applicant:
HERAEUS KULZER GMBH
Inventors:
Klaus RUPPERT, Alfred HOHMANN, Stephan DEKERT
Abstract: 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:
Application
Filed:
June 30, 2015
Publication date:
June 1, 2017
Applicant:
HERAEUS KULZER GMBH
Inventors:
Klaus RUPPERT, Alfred HOHMANN, Stephan DEKERT
Abstract: 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:
Grant
Filed:
May 13, 2014
Date of Patent:
May 9, 2017
Assignee:
HERAEUS KULZER GMBH
Inventors:
Wenling Yang, Hengchang Xu, Andreas Utterodt
Abstract: 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:
Application
Filed:
January 9, 2017
Publication date:
April 27, 2017
Applicant:
Heraeus Kulzer GmbH
Inventors:
YOHANNES WOLDEGERGIS, STEFAN HORMANN, HELMUT REDEMANN, UWE BOEHM
Abstract: A superstructure for oral, dental and maxillofacial prostheses includes at least one anchoring dental element and at least one additional dental element, wherein the additional dental element has an internal hollow portion forming a closed cavity inside the same element. With respect to the known technology in the field, the superstructure of the invention offers the advantage of being lighter, more comfortable and less bothersome for the user, thanks to the substantial reduction in weight due to the smaller quantities of material used for producing it.
Abstract: A method (30) for manufacturing a dental superstructure or part thereof is provided. The method comprises the steps of (i) making (31) a dental imprint from the mouth of a subject; (ii) mounting (32) an analog in the imprint to obtain a working model; (iii) attaching (33) a screw channel directing device (10, 20), comprising a screw channel part (11, 21) and an implant cooperating part (12, 22), said screw channel part (11, 21) being tiltable in relation to the implant cooperating part (12, 22), to the working model; (iv) tilting (34) the screw channel part (11, 21) in relation to the implant cooperating part (12, 22) into a desired angle; (v) shaping a mold creating a master superstructure or part thereof onto the screw channel directing device (10, 20); (vi) forming (37) a mold based on the master superstructure or part thereof; and (vii) casting (38) or CAD/CAM shaping of the dental superstructure or part thereof. Embodiments of screw channel directing devices are also provided.
Abstract: 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.