Patents Assigned to Sirona Inc.
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Publication number: 20240189065Abstract: The present teachings relate to a method for assisting an intraoral scan including providing an intraoral image of a patient, and providing an extraoral image; the extraoral image being representative of the position of an extraoral scanner part. The teaches further include generating, using the intraoral image and the extraoral image, a mapping function correlating the position of the extraoral scanner part with the position of the intraoral scanner part; and computing, using the mapping function, a desired extraoral position of the extraoral scanner part; the desired extraoral position corresponding to a preferable intraoral position of the intraoral scanner part. The present teachings also relate to a system, a device, a use, data, and a storage medium.Type: ApplicationFiled: April 4, 2022Publication date: June 13, 2024Applicant: Dentsply Sirona Inc.Inventor: Ruwen SCHNABEL
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Publication number: 20240180791Abstract: The present invention relates to a dental composition comprising a specific radically polymerizable compound and a radical initiator system. Furthermore, the present invention relates to the specific radically polymerizable compound and its use in a dental composition. The specific radically polymerizable compound of the present invention has an allyl (meth)acrylamide group and a phosphoric acid ester group.Type: ApplicationFiled: February 8, 2024Publication date: June 6, 2024Applicant: DENTSPLY SIRONA Inc.Inventors: Christoph FIK, Maximilian MAIER, Joachim E. KLEE, Christian SCHEUFLER
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Patent number: 11998405Abstract: The invention related to a method for planning a dental structure, in which a 3D model of the structure, with at least one radially symmetrical aperture, is already provided. On the basis of the 3D model of the structure that is already provided, an axis of symmetry of the at least one radially symmetrical aperture of the structure is determined in relation to said 3D model.Type: GrantFiled: October 30, 2017Date of Patent: June 4, 2024Assignee: DENTSPLY SIRONA INC.Inventors: Daniel Müllner, Clemens Gross
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Publication number: 20240148479Abstract: Manufacturing a dental part with volumetric units that vary in translucency, shading and/or color. A beam translation module of a 3D printing system is used to translate an input pattern into an output for controlling a spatial structuring of light for 3D printing an object from a resin material that is sensitive to light intensity, light color or light exposure time.Type: ApplicationFiled: November 4, 2022Publication date: May 9, 2024Applicant: DENTSPLY SIRONA Inc.Inventor: Sascha Schneider
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Patent number: 11969942Abstract: Component carrier for an additive manufacturing device, wherein the component carrier comprises a construction surface, on which a component to be manufactured is disposed during the operation of the manufacturing device, wherein the component carrier comprises a sealing surface which radially surrounds the construction surface, and method for post-processing a component manufactured according to an additive manufacturing process using such a component carrier.Type: GrantFiled: February 28, 2020Date of Patent: April 30, 2024Assignee: DENTSPLY SIRONA INC.Inventors: Christian Schmidt, Thomas Hasenzahl
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Patent number: 11963812Abstract: The invention relates to a method for producing a panoramic tomographic image (1, 11, 60) of an object (2) to be recorded using a 2D panoramic X-ray device (3), in the course of which X-rays (4) produced by means of an X-ray source (5) irradiate the object (2) and are acquired by means of an X-ray detector (7), wherein, during a movement of the X-ray source (5) and the X-ray detector (7) around the object (2), a number of 2D X-ray projection images (30) are acquired from different acquisition directions (6).Type: GrantFiled: February 25, 2020Date of Patent: April 23, 2024Assignee: DENTSPLY SIRONA INC.Inventors: Stefan Eichner, Markus Hülsbusch
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Patent number: 11957494Abstract: The present invention relates to a method for preparing an X-ray image, which can be carried out by an X-ray machine, of at least one surface and/or volume area of at least one part of at least one head of at least one patient. The invention also relates to a corresponding device for data processing, a corresponding computer program product, a corresponding medium and a corresponding X-ray machine. The invention also relates to a method for taking an X-ray image which can be carried out by an X-ray machine of at least one surface and/or volume area of at least one part of at least one head of at least one patient.Type: GrantFiled: December 9, 2019Date of Patent: April 16, 2024Assignee: DENTSPLY SIRONA INC.Inventor: Ulrich Schulze-Ganzlin
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Patent number: 11944511Abstract: The invention relates to additively manufactured dental devices comprised of a denture base and at least one removable bracing body joined at specific locations to the denture base. The invention also relates to methods of using these additively manufactured dental devices in the fabrication of dental prostheses.Type: GrantFiled: June 12, 2020Date of Patent: April 2, 2024Assignee: DENTSPLY SIRONA INC.Inventor: Md Abu Hasan
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Publication number: 20240090791Abstract: In a method for masking one or more regions surrounding an anatomical region of interest for each of one or more MRI images obtained from MRI imaging data, the one or more regions surrounding the anatomical region of interest are masked based on control data determined for identifying the anatomical region of interest in the MRI imaging data. The MRI imaging data may be obtained during an MRI exam of a patient for a measurement volume including the anatomical region of interest. The anatomical region of interest may be ascertained before performing the MRI exam.Type: ApplicationFiled: September 18, 2023Publication date: March 21, 2024Applicants: Siemens Healthcare GmbH, Dentsply Sirona Inc., SIRONA Dental Systems GmbHInventors: Andreas Greiser, Johannes Ulrici, Kim Burzan, Gunnar Krüger, Lars Lauer, Daniel Rinck, Carmel Hayes
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Patent number: 11931432Abstract: The present invention relates to a dental composition comprising a specific radically polymerizable compound and a radical initiator system. Furthermore, the present invention relates to the specific radically polymerizable compound and its use in a dental composition. The specific radically polymerizable compound of the present invention has an allyl (meth)acrylamide group and a phosphoric acid ester group.Type: GrantFiled: December 13, 2017Date of Patent: March 19, 2024Assignee: DENTSPLY SIRONA INC.Inventors: Christoph Fik, Maximilian Maier, Joachim E. Klee, Christian Scheufler
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Patent number: 11925697Abstract: A photocurable dental impression material comprising: (a) a mixture of polymerizable silicone compounds each having two or more polymerizable (meth)acrylate groups, said mixture having a dynamic viscosity at 25° C. of from 1 to 100 Pas; (b) a filler; (c) a photo initiator system, wherein the mixture of polymerizable silicone compounds comprises based on the total weight of the mixture of polymerizable silicone compounds (a) 10 to 90 percent by weight of high-molecular polymerizable silicone compounds having a molecular weight in the range of from more than 4000 up to 10.000; and (b) 90 to 10 percent by weight of polymerizable silicone compounds having a molecular weight in the range of from 300 to 4000.Type: GrantFiled: March 7, 2019Date of Patent: March 12, 2024Assignee: DENTSPLY SIRONA INC.Inventors: Joachim Klee, Florian Szillat, Maximilian Maier, Marjorie Yon, Jacques Lalevée, Julie Kirschner, Fabrice Morlet-Savary, Céline Dietlin
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Publication number: 20240076210Abstract: A handpiece (108) of an ultrasonic scaler equipped with a closed system water delivery and an integrated in-line divided electrolytic cell (106) for generating ozone, one or more gas separators (116a, 116b), in-line dissolved gas monitoring and closed loop control over ozone concentration using one or more ultraviolet sensors (110).Type: ApplicationFiled: November 5, 2020Publication date: March 7, 2024Applicant: DENTSPLY SIRONA Inc.Inventors: Kenneth R. GUARAGNO, Miles HEMBER, Roger MILLINGTON, Carl HEWETT, Samuel WHITTOME
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Patent number: 11918664Abstract: The present invention relates to an aqueous dental glass ionomer composition for use in the treatment of cavitated carious lesions, which composition comprises a water-soluble, polymerizable polymer comprising acidic groups, which is reactive with the particulate glass in a cement reaction, whereby the polymerizable polymer has a polymer backbone and pendant groups having one or more polymerizable carbon-carbon double bonds. The dental glass ionomer composition is used as a permanent direct restoration.Type: GrantFiled: June 10, 2021Date of Patent: March 5, 2024Assignee: DENTSPLY SIRONA INC.Inventors: Florian Szillat, Caroline Renn, Christoph Weber, Uwe Walz, Joachim Klee
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Patent number: 11915378Abstract: A method, system and computer readable storage media for proposing and visualizing orthodontic treatments. A patient may use a mobile device such as a smart phone to quickly and inexpensively visualize an orthodontic treatment for misaligned teeth and overlay it on a 3D model of the face and jaw, with a depth sensor being used to detect depth information. The orthodontic treatment may also be visualized in an augmented manner for a clinician. 3D data of the orthodontic treatment may be used for further analysis or fabrication of a treatment appliance.Type: GrantFiled: January 22, 2020Date of Patent: February 27, 2024Assignee: DENTSPLY SIRONA INC.Inventors: André Koza, Ronny Kucharczyk
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Patent number: 11903753Abstract: The invention relates to a dental x-ray imaging system for producing intraoral x-ray images, in particular of dental patient tissue, with the aid of an intraoral x-ray sensor, which can be placed in the oral cavity in the beam path of an x-ray emitter positioned outside the oral cavity, wherein the x-ray imaging system is configured to record two or more temporally sequential individual x-ray images and to create an overall x-ray image from said individual images in such a way that the results of the exposures of the x-ray images are combined and a motion occurring between and/or during the sequential individual x-ray images is compensated.Type: GrantFiled: December 16, 2019Date of Patent: February 20, 2024Assignee: DENTSPLY SIRONA INC.Inventors: Ulrich Schulze-Ganzlin, Kai Lindenberg
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Patent number: 11904030Abstract: The present invention relates to a dental composition comprising a radically polymerizable compound, a redox initiator system comprising one or more clathrate compounds comprising a host molecule and one or more guest molecules, wherein the host molecule is selected from cyclodextrines, crown ethers, cucurbituriles and calixarenes and the one or more guest molecules are reducing agents, and an oxidizing agent. Furthermore, the present invention relates to a use of the redox initiator system in a dental composition.Type: GrantFiled: March 5, 2019Date of Patent: February 20, 2024Assignee: DENTSPLY SIRONA INC.Inventors: Florian Szillat, Caroline Renn, Christian Scheufler, Jörg Brenneisen
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Patent number: 11903780Abstract: A method for designing a dental component, specifically a restoration, a bite guard or an impression tray, comprising the steps of: measuring a dental situation; generating a 3D model of the dental situation; applying an artificial neural network for machine learning (convolutional neural network; CNN) to the 3D model of the dental situation and/or an initial 3D model of the dental component, and automatically generating a fully designed 3D model of the dental component, specifically the restoration, the bite guard or the impression tray.Type: GrantFiled: June 17, 2019Date of Patent: February 20, 2024Assignee: DENTSPLY SIRONA INC.Inventors: Sascha Schneider, Frank Thiel
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Publication number: 20240051041Abstract: A dental tool (1) for use in a dental CNC milling/grinding machine for machining a dental restoration from a workpiece (6), the dental tool (1) has a shaft (2). The dental tool includes a miniaturized RFID tag (3) which is arranged in front of the back end (2a) of the shaft (2). A dental CNC milling/grinding machine (5) is also disclosed and has a machine compartment (5a) including one or more carriage units (5b) each adapted to exchangeably receive and drive one or more dental tools (1) for machining a dental restoration from a workpiece (6); one or more transceiver units (5c) each adapted to read and/or write the miniaturized RFID tag (3) of a dental tool (1); and a control unit adapted to control the transceiver units (5c), and the carriage units (5b) based on the information read from the miniaturized RFID tags (3).Type: ApplicationFiled: September 24, 2020Publication date: February 15, 2024Applicant: DENTSPLY SIRONA Inc.Inventors: Andreas SCHAEFER, Oliver NOWARRA, Michael TURZER, Peter FORNOFF
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Publication number: 20240041574Abstract: The invention relates to a method for the production of a blank of a ceramic material, wherein a first ceramic material and then a second ceramic material of different compositions are filled into a mold and wherein the materials are pressed and after pressing are sintered. Thereby, a layer of the first ceramic material is filled into the mold, a first open cavity is formed in the layer, the second ceramic material is filled into the first open cavity and the materials are pressed together and are then heat-treated. Both the first ceramic material and the second ceramic material contain, or consists of, lithium silicate glass ceramic.Type: ApplicationFiled: October 20, 2023Publication date: February 8, 2024Applicant: DENTSPLY SIRONA Inc.Inventors: Markus VOLLMANN, Lothar VOLKL, Stefan FECHER, Carsten WIESNER
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Patent number: D1017068Type: GrantFiled: June 2, 2022Date of Patent: March 5, 2024Assignee: DENTSPLY SIRONA INC.Inventors: Amy E. Jacobs-Carrozza, Brian D. Fritsch, Jordan T. Houck, John Patrick Homich