SIRONA DENTAL SYSTEMS GMBH Patent applications |
Patent application number | Title | Published |
20160100919 | BLANK WITH ENCODING AND METHOD OF MANUFACTURING A DENTAL MOULDED COMPONENT - A blank for manufacturing molded dental components includes a blank body that includes tooth repairing material. A molded dental component is manufactured by removing portions of the tooth repairing material using a tool. The blank is encoded with at least one structure as a carrier of information regarding properties of the blank body. The at least one structure is arranged such that at least one of a position, dimensions, or a type of structure can be determined by sensing or measuring the blank. In this context, the position, the dimensions, or the type of the structure are embodied such that a value acquired during a determination of the above corresponds to information about a property of the blank body. | 04-14-2016 |
20160067017 | BLANK WITH ENCODING AND METHOD OF MANUFACTURING A MOLDED DENTAL COMPONENT - A method for producing a dental shaped body from a blank that has a corpus of tooth restoration material by a tool adapted to remove the material. To detect a position of the corpus inserted in a machining device, contact scanning is performed on the blank by the tool. At least one dimension of the blank corpus is detected, and the machining tool is prepositioned for a contacting operation according to the detected at least one dimension of the blank corpus. | 03-10-2016 |
20150366632 | DENTAL PREPARATION INSTRUMENT HAVING A TOOL THAT ROTATES IN AN ALTERNATELY REVERSIBLE MANNER - The invention relates to a dental preparation instrument ( | 12-24-2015 |
20150173851 | DENTISTS' PREPARATION INSTRUMENT - Disclosed is a dentists' preparation instrument ( | 06-25-2015 |
20150150655 | CAD / CAM BASED METHOD FOR THREE-DIMENSIONAL QUALITY CONTROL OF INSERTED IMPLANTS OR RESTORATIONS BY CORRELATING PREOPERATIVE RADIOGRAPHS WITH POSTOPERATIVE OPTICAL SCANS AND TO AVOID POSTOPERATIVE RADIOGRAPHS - A method for determining a quality feature of a dental treatment comprises the detection of a patient's radiographic image data set before the creation of a drill hole for a dental implant, the detection of a patient's non-radiographic image data set after the creation of the drill hole for a dental implant by means of a drilling tool, the correlation of the radiographic image data set and the intraoral non-radiographic image data set, and the determination of the quality feature from the correlation of the radiographic image data set and the non-radiographic image data set. A device ( | 06-04-2015 |
20140365140 | METHOD AND REFERENCE MODEL FOR CHECKING A MEASURING SYSTEM - The invention relates to a reference object ( | 12-11-2014 |
20140313524 | Method and Device for Three-Dimensional Confocal Measurement - The invention relates to a method and a device ( | 10-23-2014 |
20140255875 | METHOD AND DEVICE FOR THE PRODUCTION OF A DENTAL PROSTHESIS PART - The method for the production of a dental prosthesis part comprises the provision ( | 09-11-2014 |
20140106290 | CARRIER FOR A FASTENING ELEMENT TO BE FABRICATED AND A METHOD FOR THE PRODUCTION THEREFOR, PARTICULARLY AS AN ORTHODONTIC BRACKET - A carrier for at least one fastening element ( | 04-17-2014 |
20140039848 | HEALING ABUTMENT AND METHOD FOR PRODUCING A DESIGN OF A HEALING ABUTMENT - A gingiva former and final abutment, which has a connecting geometry for attachment to an implant and comprises a tailor-made edge, a tapering lower part that is located beneath and has a tailor-made shape, and a tapering upper part having a lateral surface, wherein the lateral surface has an angle of inclination (α) of between 0.5° and 30° with respect to a longitudinal axis (A) of the connecting geometry. | 02-06-2014 |
20130325415 | DEVICE AND METHOD FOR EDITING A VIRTUAL, THREE-DIMENSIONAL DENTAL MODEL BY MEANS OF A VIRTUAL TOOL - The invention concerns a device ( | 12-05-2013 |
20130309628 | DRILLING JIG FOR A DENTAL IMPLANT AND METHOD FOR PRODUCING SAID DRILLING JIG - The invention relates to a drilling jig ( | 11-21-2013 |
20130302752 | DENTAL IMPRESSION, DRILLING TEMPLATE AND METHOD FOR PROVIDING A RELATIVE LOCATION FOR CREATING A DRILLING TEMPLATE - The invention relates to a method for correlating an implantation site ( | 11-14-2013 |
20130252196 | SYSTEMS, METHODS, APPARATUSES, AND COMPUTER-READABLE STORAGE MEDIA FOR PERFORMING DIAGNOSTIC EXAMINATIONS USING MRI - A method for operating an imaging system, and a system, apparatus, and computer-readable medium, that operate in accordance with the method. The method includes providing field-of-view (FoV) information, and automatically selecting at least one recording sequence based on at least one of a particular diagnostic application of interest and the FoV information. | 09-26-2013 |
20130163718 | DENTAL X-RAY DEVICE WITH IMAGING UNIT FOR SURFACE DETECTION AND METHOD FOR GENERATING A RADIOGRAPH OF A PATIENT - The invention relates to a dental X-ray system for the creation of a radiograph ( | 06-27-2013 |
20130162645 | METHOD FOR CREATING AN IMAGE FROM A 3D DEVICE - The invention relates to a method for creating a virtual dental image from a 3D volume ( | 06-27-2013 |
20120327192 | METHOD AND DEVICE FOR OPTICAL SCANNING OF THREE-DIMENSIONAL OBJECTS BY MEANS OF A DENTAL 3D CAMERA USING A TRIANGULATION METHOD - A dental 3D camera for optically scanning a three-dimensional object, and a method for operating a dental 3D camera. The camera operates in accordance with a triangulation procedure to acquire a plurality of images of the object. The method comprises forming at least one comparative signal based on at least two images of the object acquired by the camera while at least one pattern is projected on the object, and determining at least one camera shake index based on the at least one comparative signal. | 12-27-2012 |
20120282572 | Methods, Apparatuses, Computer Programs, and Systems for Creating a Custom Dental Prosthetic Using CAD/CAM Dentistry - A procedure for creating a dental prosthetic includes registering three-dimensional (3D) dental impression image data of a tooth restoration site and 3D x-ray image data of the tooth restoration site, and removing image data corresponding to soft tissue in the tooth restoration site from the 3D dental impression image data. A system for producing a dental prosthetic includes at least one processor operable to register 3D dental impression image data of a tooth restoration site and 3D x-ray image data of the tooth restoration site and remove image data corresponding to soft tissue in the tooth restoration site from the 3D dental impression image data. | 11-08-2012 |
20120203366 | METHOD FOR AUTOMATICALLY FABRICATING A DENTAL SUPERSTRUCTURE FOR ATTACHMENT TO AN IMPLANT - A system for a dental superstructure to be attached to an implant using a digital model description of a shape of the superstructure, the superstructure including first and second elements. The system comprises a computing device arranged to (a) analyze a recorded real clinical situation or shaped clinical situation of an implant axis and insertion axis, (b) compute a shape of the dental superstructure based at least in part on the determined implant axis, (c) generate digital data representing the shape of the superstructure, and (d) separate the computed shape into first digital data representing a shape of the first element to be connected to the implant and second digital data representing a shape of the second element to be connected to the first element, the shape of the first element being optimized, at least in part, based on a tilt angle between the determined implant axis and insertion axis. | 08-09-2012 |
20120189096 | X-RAY DEVICE AND X-RAY SENSITIVE CAMERA FOR PANORAMIC TOMOGRAPHY AND 3D SHOTS - The invention relates to an X-ray device comprising an x-ray sensitive camera for creating tomograms, especially panoramic tomograms. Means for creating 3D shots of a partial volume of the mandibular arch are also provided, said 3D shots being created especially by a second image receiver for creating a 2D shot and means for taking a plurality of 2D shots from different directions and creating a 3D shot therefrom, preferably according to conebeam technology with the associated reconstruction algorithms. The x-ray sensitive camera comprises a first x-ray sensitive image receiver for creating a tomogram, and a second x-ray sensitive image receiver for creating plane shots. | 07-26-2012 |
20120171642 | METHOD FOR PRODUCING DENTURE PARTS OR FOR TOOTH RESTORATION USING ELECTRONIC DENTAL REPRESENTATIONS - The invention relates to a method for producing denture parts or for tooth restoration. According to said method, to reconstruct a tooth requiring repair or a defective condition, at least some of the missing exterior surfaces of denture parts or tooth restoration are adapted to the existing residual tooth material and/or the opposing teeth and/or the position of the neighbouring tooth and/or the occlusion position, by means of the optimisation of a generic dental-model data record of the desired tooth type, thus varying the linear factors of at least the most important components, (determined from the electronic data records of a larger number of measured tooth surfaces by primary axis analysis methods), in such a way that the selected optimisation criteria are fulfilled by the minimisation of an error function. After the successful adaptation of said surfaces to the residual occlusion position and the completion of the data record, the reconstructed denture part or the reconstructed tooth restoration is machine-manufactured. | 07-05-2012 |
20120146645 | MAGNETIC FIELD UNIT OF AN MRI SYSTEM FOR IMAGE CAPTURING A HEAD REGION - The invention relates to a magnetic field unit ( | 06-14-2012 |
20120143364 | SYSTEMS, METHODS, APPARATUSES, AND COMPUTER-READABLE STORAGE MEDIA FOR DESIGNING AND MANUFACTURING CUSTOM DENTAL PREPARATION GUIDES - A dental CAD/CAM system forms a custom dental preparation guide for guiding a dental tool that alters a shapes a tooth structure to which a custom prosthetic dental item is to be attached. The system acquires an optical measurement and an x-ray of at least one dental structure. The system correlates the acquired optical measurement and the x-ray to form a model of the at least one dental structure. The system generates a model of a reduced tooth structure based on the model of the at least one dental structure. The system also provides at least one dental preparation guide based on the model of the reduced tooth structure. | 06-07-2012 |
20120115105 | GINGIVA FORMER AND METHOD FOR PRODUCING A DESIGN OF A GINGIVA FORMER - The invention relates to a gingiva former ( | 05-10-2012 |
20120106833 | METHOD FOR OBTAINING A POSITION MATCH OF 3D DATA SETS IN A DENTAL CAD/CAM SYSTEM - A method for designing tooth surfaces of a digital dental prosthetic item using a first 3D model of a preparation site and/or of a dental prosthetic item and a second 3D model. The second model comprises regions matching some regions on the first 3D model and regions differing from other regions of the first 3D model. The non-matching regions contain surface information. At least three pairs of corresponding points are selected on the matching region on the first 3D model and second 3D model. The positional correlation of the second 3D model with reference to the first 3D model is determined based on the at least three pairs, and portions of the non-matching regions of the first and second 3D models are implemented for designing the tooth surface prosthetic item taking into consideration the based on the positional correlation of these models relative to each other. | 05-03-2012 |
20120087757 | MACHINING DEVICE FOR A WORKPIECE, MORE PARTICULARLY FOR THE FABRICATION OF DENTAL PROSTHETIC ITEMS OR MODELS THEREOF AND A METHOD THEREFOR - A machining device for a workpiece wherein a first feed axis extends through a workpiece holder, a first machining tool is disposed on a first side of the feed axis, and a second machining tool is disposed on a side of the feed axis opposing the first side. Between a first feed axis and perpendicular to a second feed axis, at least one machining tools has a predetermined fixed angular offset. | 04-12-2012 |
20120075425 | HANDHELD DENTAL CAMERA AND METHOD FOR CARRYING OUT OPTICAL 3D MEASUREMENT - A handheld dental camera performs three-dimensional, optical measurements. The camera includes a light source that emits an illuminating beam, a scanning unit, a color sensor, and a deflector. The scanning unit focuses the illuminating beam onto a surface of an object to be measured. The surface of the object reflects the illuminating beam and forms a monitoring beam, which is detected by the color sensor. Focal points of wavelengths of the illuminating beam form chromatic depth measurement ranges. The scanning unit stepwise displaces the chromatic depth measurement ranges by a step width smaller than or equal to a length of each chromatic depth measurement range, so that a first chromatic depth measurement range in a first end position of the scanning unit and a second chromatic depth measurement range in a second end position are precisely adjoined in a direction of a measurement depth, or are partially overlapped. | 03-29-2012 |
20120029682 | BLANK FOR PRODUCING DENTAL SHAPED PARTS AND METHOD FOR PRODUCING THE SHAPED PART - A method for producing a dental shaped part includes checking an outer contour of a tool of machining equipment, using least one gauge provided on a blank formed from a tooth restoration material from which a dental shaped part is to be machined using the machining equipment. The method also includes machining the dental shaped part from the blank using the tool of the machining equipment, when the outer contour of the tool corresponds to the at least one gauge provided on the blank. | 02-02-2012 |
20110251831 | METHOD OF PROCESSING A DIGITIZED WORKPIECE, PARTICULARLY A THREE-DIMENSIONAL MODEL OF A DENTAL PROSTHETIC ITEM TO BE PRODUCED THEREFROM, AND APPARATUS THEREFOR - In a method of processing a digitized workpiece ( | 10-13-2011 |
20110250398 | BLANK FOR THE PRODUCTION OF A DENTAL SHAPED BODY AND METHOD OF PRODUCING SAID SHAPED BODY - A blank and method for the production of dental shaped bodies in machining equipment having at least two tools located in the machining chamber of the machining equipment, including a corpus of tooth restoration material, from which the shaped body can be carved by means of at least one of at least two tools by material removal. The blank exhibits at least two gages, each of which is in the form of a recess, the geometry of which is such that the tool selected for the cutting operation can be recognized by means of at least one of the gages by reference to its outer contour, the at least two gages being disposed on the blank in such a way that they can be simultaneously engaged by the at least tools when the blank is clamped in the machining equipment for carving purposes. | 10-13-2011 |
20110242281 | 3D DENTAL CAMERA FOR RECORDING SURFACE STRUCTURES OF AN OBJECT BE MEASURED BY MEANS OF TRIANGULATION - The invention relates to a 3D dental camera for recording surface structures of a measuring object ( | 10-06-2011 |
20110229857 | BLANK WITH CODING FOR THE PRODUCTION OF TOOTH-TECHNICAL SHAPED PARTS AND PROCEDURES FOR THE IDENTIFICATION OF A BLANK - The invention relates to a blank for the production of a dental shaped body, wherein the blank has a corpus ( | 09-22-2011 |
20110221879 | OBJECTIVE FOR A DENTAL CAMERA AND METHOD FOR CREATING AN IMAGE - The invention relates to an objective ( | 09-15-2011 |
20110207072 | BRACKET SYSTEM AND METHOD FOR PLANNING AND PRODUCING A BRACKET SYSTEM FOR THE CORRECTION OF TOOTH MALPOSITIONS - The invention relates to a method for planning a bracket system ( | 08-25-2011 |
20110152675 | SYSTEM AND METHOD FOR PATIENT POSITIONING IN CONE-BEAM TOMOGRAPHY - A device for positioning a patient within an image volume of a cone-beam tomography system. The device includes a volume indicator adapted to indicate at least a front boundary of the image volume and having a horizontal indicator for horizontal alignment. The device also includes a head clamp adapted to position at least a portion of the head of the patient within the front boundary of the image volume indicated by the volume indicator. | 06-23-2011 |
20110129058 | METHOD FOR PRODUCING A DENTAL 3D X-RAY IMAGE, AND X-RAY DEVICE THEREFOR - In a method for the creation of a dental 3D radiograph of at least a subregion, forming a volume ( | 06-02-2011 |
20110125305 | METHOD FOR AUTOMATICALLY FABRICATING A DENTAL SUPERSTRUCTURE FOR ATTACHMENT TO AN IMPLANT - A system for a dental superstructure to be attached to an implant using a digital model description of a shape of the superstructure, the superstructure including first and second elements. The system comprises a computing device arranged to (a) analyze a recorded real clinical situation or shaped clinical situation of an implant axis and insertion axis, (b) compute a shape of the dental superstructure based at least in part on the determined implant axis, (c) generate digital data representing the shape of the superstructure, and (d) separate the computed shape into first digital data representing a shape of the first element to be connected to the implant and second digital data representing a shape of the second element to be connected to the first element, the shape of the first element being optimized, at least in part, based on a tilt angle between the determined implant axis and insertion axis. | 05-26-2011 |
20110125304 | SYSTEMS, METHODS, APPARATUSES, AND COMPUTER-READABLE STORAGE MEDIA FOR DESIGNING AND MANUFACTURING PROSTHETIC DENTAL ITEMS - A dental CAD/CAM system performs structural analyses of a candidate prosthetic dental item that is to be created using design data representing the prosthetic dental item. The dental CAD/CAM system can recommend positioning of a surface of the prosthetic dental item within a volume of a milling block based on the design data and data representing desired aesthetic properties of the prosthetic dental item. The dental CAD/CAM system can generate and display simulated images of the aesthetic properties of the prosthetic dental item using the design data, data representing the surface of the prosthetic dental item, data representing the volume of the milling block, and data representing aesthetic properties of the milling block. The dental CAD/CAM system can be used to form prosthetic dental items having complex aesthetic properties, such as translucent regions and shades of colors that vary spatially. | 05-26-2011 |
20110115210 | METHOD FOR MACHINING A BLANK HAVING AN INDIVIDUAL SCALE-UP FACTOR AND BLANK THEREFOR - In a method for processing a blank ( | 05-19-2011 |
20110033026 | Method for Creating a Tomographic Image - A method for creating a tomographic image in the manner of a dental X-ray panoramic tomographic image from a digital 3D volume exhibiting X-ray absorption values, comprising transradiating the 3D volume forming an object to be scanned virtually using a virtual X-ray source, recording the virtually produced image by a virtual detector, and moving the virtual source of X-rays and virtual detector virtually past the object to be scanned with formation of a sharp layer having a blurred area. | 02-10-2011 |
20110013827 | METHOD FOR OBTAINING A POSITION MATCH OF 3D DATA SETS IN A DENTAL CAD/CAM SYSTEM - Disclosed is a method for designing tooth surfaces of a digital dental prosthetic item existing as a 3D data set using a first 3D model of a preparation site and/or of a dental prosthetic item and a second 3D model, which second model comprises regions which match some regions on the first 3D model and regions which differ from other regions of the first 3D model, the non-matching regions containing some of the surface information required for the dental prosthetic item, wherein at least three pairs (P | 01-20-2011 |
20100309301 | RECORDING METHOD FOR OBTAINING AN IMAGE OF AN OBJECT AND RECORDING DEVICE - A method for recording an image of an object includes projecting a strip pattern onto the object, recording the projected strip pattern as raw image data using a camera, and calculating an image of the object from the raw image data. A strip pattern having a duty cycle of less than 1 can be used to increase measuring precision during measurement of a translucent object, and can eliminate a need for additional contrast agents for a recording of the object. | 12-09-2010 |
20100303204 | X-RAY DEVICE AND X-RAY SENSITIVE CAMERA FOR PANORAMIC TOMOGRAPHY AND 3D SHOTS - The invention relates to an X-ray device comprising an x-ray sensitive camera for creating tomograms, especially panoramic tomograms. Means for creating 3D shots of a partial volume of the mandibular arch are also provided, said 3D shots being created especially by a second image receiver for creating a 2D shot and means for taking a plurality of 2D shots from different directions and creating a 3D sot therefrom, preferably according to conebeam technology with the associated reconstruction algorithms. The x-ray sensitive camera comprises a first x-ray sensitive image receiver for creating a tomogram, and a second x-ray sensitive image receiver for creating plane shots. | 12-02-2010 |
20100297580 | BLANK WITH ENCODING AND METHOD OF MANUFACTURING A MOLDED DENTAL COMPONENT - Blank for manufacturing dental moulded components, wherein the blank has a blank body ( | 11-25-2010 |
20100296710 | MEASURING BODY FOR AN IMPLANT AND METHOD FOR PROVIDING A 3D MEASUREMENT DRAWING - A measuring body for an implant, having a measuring geometry that can be captured by a measuring camera and a connection geometry on the implant. Said measuring geometry is arranged on a test part and the connection geometry is arranged on a bearing part, both parts being embodied as separate components. Said bearing part comprises a bearing for the test part and the test part comprises a counter bearing to the bearing and the measuring geometry is provided on a free end of the test part. Also provided is a method for capturing a 3D-measurement drawing of a measuring body that is arranged on an implant. | 11-25-2010 |
20100284589 | METHOD FOR OPTICAL MEASUREMENT OF OBJECTS USING A TRIANGULATION METHOD - A method for optically measuring an object by means of an optical recording apparatus includes a triangulation method. A first shutter means is used to produce a first pattern and to project the first pattern as a first projection beam onto the object to be measured. At least one further shutter means is used to produce a further pattern and to project the further pattern as a further projection beam onto the object to be measured. The first pattern and the further pattern are passed back from the object as observation beams and are recorded by at least one recording means in order to obtain a three-dimensional data record of the object. The projected first pattern and the further pattern are recorded at the same time in at least one triangulation recording using the at least one recording means. | 11-11-2010 |
20100216088 | LASER HANDPIECE, EXCHANGEABLE FIBER-OPTIC INSERT AND CONTROL UNIT THEREFOR - The invention relates to a laser handpiece | 08-26-2010 |
20100209002 | METHOD FOR OPTICAL MEASUREMENT OF THE THREE DIMENSIONAL GEOMETRY OF OBJECTS - The invention relates to a method for optically scanning the three-dimensional geometry of an object by means of triangulation, in which a pattern ( | 08-19-2010 |
20100158490 | METHOD AND DEVICE FOR OPTICAL SCANNING OF THREE-DIMENSIONAL OBJECTS BY MEANS OF A DENTAL 3D CAMERA USING A TRIANGULATION METHOD - A dental 3D camera for optically scanning a three-dimensional object, and a method for operating a dental 3D camera. The camera operates in accordance with a triangulation procedure to acquire a plurality of images of the object. The method comprises forming at least one comparative signal based on at least two images of the object acquired by the camera while at least one pattern is projected on the object, and determining at least one camera shake index based on the at least one comparative signal. | 06-24-2010 |
20100157019 | CAMERA FOR RECORDING SURFACE STRUCTURES, SUCH AS FOR DENTAL PURPOSES - A 3-D camera for obtaining an image of at least one surface of at least one object. The camera comprises a light source, arranged to illuminate the object, wherein a light beam emitted from the light source defines a projection optical path. The camera also includes at least one first aperture having a first predetermined size, interposed in the projection optical path such that the light beam passes through it. An image sensor receives light back-scattered by the object, the back-scattered light defining an observation optical path. At least one second aperture having a second predetermined size, is interposed in the observation optical path such that the back-scattered light passes through it. In one example embodiment of the invention, the first predetermined size is greater than the second predetermined size, and at least one optic is arranged in both the projection and observation optical paths. | 06-24-2010 |
20100027750 | X-RAY EMITTER - The invention relates to an X-ray emitter | 02-04-2010 |
20090310869 | SYSTEM, APPARATUS, METHOD, AND COMPUTER PROGRAM PRODUCT FOR DETERMINING SPATIAL CHARACTERISTICS OF AN OBJECT USING A CAMERA AND A SEARCH PATTERN - A system, apparatus, method, and computer program product for evaluating an object disposed on an upper surface of an object holder. At least one first frame representing a captured portion of the object is acquired, while the object holder is positioned at each of multiple locations. At least one second frame representing a captured portion of at least one other surface of the object holder is acquired, while the object holder is positioned at each of the locations. At least one spatial characteristic associated with the captured portion of the object is determined based on at least one of the acquired frames. Values of multiple optical markers captured in each second frame are determined, where at least two of the optical markers have different characteristics. At least one of coordinates associated with the values and an orientation of the captured portion of the at least one other surface are determined. | 12-17-2009 |
20090310146 | SYSTEM, APPARATUS, METHOD AND COMPUTER PROGRAM PRODUCT FOR OPTICAL POSITION RECOGNITION - A system, apparatus, method, and computer program product for evaluating an object disposed on an upper surface of an object holder. At least one first frame representing a captured portion of the object is acquired, while the object holder is positioned at each of a plurality of locations. At least one second frame representing a captured portion of at least one other surface of the object holder besides the upper surface is acquired, while the object holder is positioned at each of the plurality of locations. At least one spatial characteristic associated with the captured portion of the object is determined, based on at least one of the acquired frames. A three-dimensional representation of the object can be formed based on the first frames and at least one spatial characteristic. | 12-17-2009 |
20090290948 | MACHINING DEVICE, PARTICULARLY FOR THE PRODUCTION OF TOOTH REPLACEMENT PARTS OR MODELS THEREOF - Disclosed is a machining device, particularly for producing tooth replacement parts or models thereof, comprising a workpiece holder and at least one machining tool which is disposed in a machining space for a workpiece that is mounted therein. The feeding axis for the workpiece into the machining space extends at an angle relative to the horizontal. | 11-26-2009 |
20090285356 | SYSTEM AND METHOD FOR PATIENT POSITIONING IN CONE-BEAM TOMOGRAPHY - A device for positioning a patient within an image volume of a cone-beam tomography system. The device includes a volume indicator adapted to indicate at least a front boundary of the image volume and having a horizontal indicator for horizontal alignment. The device also includes a head clamp adapted to position at least a portion of the head of the patient within the front boundary of the image volume indicated by the volume indicator. | 11-19-2009 |
20090279103 | APPARATUS AND METHOD FOR OPTICAL 3D MEASUREMENT - The invention relates to an apparatus and a method for optical 3 D measurement, comprising a first beam deflector for deflecting an illuminating beam onto a measurement object and for deflecting the observation beam which is radiated back by the measurement object, wherein the first beam deflector can move along a path distance S. | 11-12-2009 |
20090181346 | METHOD, BLANK, ASSORTMENT OF BLANKS, DENTAL DATABASE AND BLANK DATABASE COMPRISING PREFABRICATED PARTIAL END SURFACES OF PARTIAL DENTURES - The invention relates to a process, a blank, an assortment of blanks, a tooth database, and a database of blanks, for the production of a dental prosthetic item. The method comprises the provision of a 3D model of a dental prosthetic item and the selection of a suitable blank from a plurality of possible blanks. The provision of the 3D model of the dental prosthetic item comprises the determination of an esthetically relevant designed subregion of the 3D model of the dental prosthetic item as part of an exterior surface of said dental prosthetic item, and a blank is specified from a plurality of blanks having a prefabricated esthetically relevant terminal subsurface of a surface of the tooth, the terminal subsurface of said blank being such that it at least approximates the thus specified designed subregion. The 3D model of said dental prosthetic item is carved from the selected blank such that the prefabricated terminal subsurface of said blank remains unmachined in at least a central region thereof. | 07-16-2009 |
20090175409 | DENTAL X-RAY APPARATUS COMPRISING A PATIENT-POSITIONING SYSTEM ARRANGED ON A SUPPORT AND PROVIDED WITH A FOREHEAD REST - The invention proposes a dental X-ray apparatus comprising a patient-positioning system arranged on a support and having a forehead rest. A horizontally pivotable bearing arm is arranged on the support, and the forehead rest is in turn arranged thereon. | 07-09-2009 |
20090081616 | Method and Device for Producing Dental Prosthesis Elements - The invention relates to a method for producing a dental prosthesis element ( | 03-26-2009 |
20090021750 | Method and Arrangement for a Rapid and Robust Chromatic Confocal 3D Measurement Technique - The invention relates to a chromatic confocal technique method and arrangement for the rapid three-dimensional measurement, in particular, of object shape, more particularly of a tooth in the jaw of a human being with an array of polychromatic point light sources, a planar detector matrix, arranged before means for lateral spectral separation and an objective for object illuminating and recording. According to the invention, spectral defined reference light bundles are generated also using components of the arrays of point light sources for chromatic calibration, wherein said reference light bundles are injected into the detection beam path via a reference bean path for chromatic lateral separation and then focused on the detector matrix as reference image points. Spectral reference points are calculated at the detector matrix positions and sub-matrices for spectral analysis of object light are digitally stored with pixel accuracy by means of the above positions which then serve for obtaining measurement points such that the detector matrix may be completely filled out with oblong sub-matrices, the planar array is arranged on the planar detector matrix rotated about an acute angle to the spectral axis, wherein the rotation is carried out about the optical axis (OA) of the arrangement, such that a connecting line of point light sources on projection thereof in the plane of the detector matrix includes an acute angle there with the spectral axis, the λ-axis. | 01-22-2009 |