CADENT LTD. Patent applications |
Patent application number | Title | Published |
20150238072 | Thermal Defogging System and Method - A thermal defogging system and method for an optical instrument is described. In one embodiment, the thermal defogging system for an optical instrument is comprised of: at least a primary housing, the primary housing defining an aperture for transmission of optical signals, a transparent element adapted to be aligned with the aperture for transmission of optical signals, at least one side of the transparent element facing the external environment; and a transparent conductive layer covering an area at least as large as the optical footprint of the transmitted optical signal through the transparent element, wherein responsive to the application of electrical power to the transparent conductive layer, the transparent conductive layer generates heat that is thermally communicated to the least one side of the transparent element facing the external environment. | 08-27-2015 |
20140342302 | METHOD AND SYSTEM FOR PROVIDING FEEDBACK DATA USEFUL IN PROTHODONTIC PROCEDURES ASSOCIATED WITH THE INTRA ORAL CAVITY - Feedback data useful in prosthodontic procedures associated with the intra oral cavity is provided. First, a 3D numerical model of the target zone in the intra oral cavity is provided, and this is manipulated so as to extract particular data that may be useful in a particular procedure, for example data relating to the finish line or to the shape and size of a preparation. The relationship between this data and the procedure is then determined, for example the clearance between the preparation and the intended crown. Feedback data, indicative of this relationship, is then generated, for example whether the preparation geometry is adequate for the particular type of prosthesis. | 11-20-2014 |
20140142736 | METHOD AND SYSTEM FOR DESIGNING AND PRODUCING DENTAL PROSTHESES AND APPLIANCES - A virtual model of an intraoral cavity is provided, wherein this process is initialized by a dental clinic, and the design and manufacture of a suitable dental prosthesis for the intraoral cavity is shared between a dental lab and a service center. | 05-22-2014 |
20140119622 | METHOD AND APPARATUS FOR COLOUR IMAGING A THREE-DIMENSIONAL STRUCTURE - A device for determining the surface topology and associated color of a structure, such as a teeth segment, includes a scanner for providing depth data for points along a two-dimensional array substantially orthogonal to the depth direction, and an image acquisition means for providing color data for each of the points of the array, while the spatial disposition of the device with respect to the structure is maintained substantially unchanged. A processor combines the color data and depth data for each point in the array, thereby providing a three-dimensional color virtual model of the surface of the structure. A corresponding method for determining the surface topology and associate color of a structure is also provided. | 05-01-2014 |
20140104620 | METHOD AND APPARATUS FOR IMAGING THREE-DIMENSIONAL STRUCTURE - An apparatus for determining surface topology of a portion of a three-dimensional structure is provided, that includes a probing member, an illumination unit, a light focusing optics, a translation mechanism, a detector and a processor. | 04-17-2014 |
20140038135 | METHODS, SYSTEMS AND ACCESSORIES USEFUL FOR PROCEDURES RELATING TO DENTAL IMPLANTS - A method and system are provided for manufacturing a physical dental model. A virtual model is provided representative of at least a portion of the intra-oral cavity including at least one dental implant implanted therein, and the virtual model includes a virtual portion representative of each dental implant. The virtual spatial disposition of each such virtual portion is determined with respect to the virtual model, corresponding to a real spatial disposition of the respective implant with respect to the intra oral cavity. A physical model is then manufactured based on the virtual model, the physical model including a physical analog corresponding to each implant at a respective physical spatial disposition with respect to the physical model corresponding to the respective virtual spatial disposition of the respective virtual portion with respect to the first virtual model as already determined. In some embodiments, a jig is provided configured for maintaining a desired physical spatial disposition between the physical analog and a cavity of the physical dental model at least until the physical analog is affixed in the cavity. | 02-06-2014 |
20130246014 | METHOD FOR PREPARING A PHYSICAL PLASTER MODEL - The invention provides a method for creating a physical teeth model. The method comprises the following steps: providing a virtual three dimensional (3D) representation of a patient's dentition that comprises at least a region of the teeth that includes a tooth stump on which a crown is to be fitted or a region on to which a bridge is to be fitted; and preparing a physical model of the jaws of a subject from a blank, based on information from said virtual 3D image. | 09-19-2013 |
20130243284 | METHOD AND APPARATUS FOR COLOUR IMAGING A THREE-DIMENSIONAL STRUCTURE - A device for determining the surface topology and associated color of a structure, such as a teeth segment, includes a scanner for providing depth data for points along a two-dimensional array substantially orthogonal to the depth direction, and an image acquisition means for providing color data for each of the points of the array, while the spatial disposition of the device with respect to the structure is maintained substantially unchanged. A processor combines the color data and depth data for each point in the array, thereby providing a three-dimensional color virtual model of the surface of the structure. A corresponding method for determining the surface topology and associate color of a structure is also provided. | 09-19-2013 |
20130204601 | METHOD FOR MANIPULATING A DENTAL VIRTUAL MODEL, METHOD FOR CREATING PHYSICAL ENTITIES BASED ON A DENTAL VIRTUAL MODEL THUS MANIPULATED, AND DENTAL MODELS THUS CREATED - A 3D virtual model of an intra oral cavity in which at least a part of a finish line of a preparation is obscured is manipulated in virtual space by means of a computer or the like to create, recreate or reconstruct finish line data and other geometrical corresponding to the obscured part. Trimmed virtual models, and trimmed physical models, can then be created utilizing data thus created. The virtual models and/or the physical models may be used in the design and manufacture of copings or of prostheses. | 08-08-2013 |
20130189647 | DENTAL ARTICULATOR - A dental articulator is provided in which at least one of the two arms thereof has a base member that is articulated with respect to a bracket element onto which a dental model may be mounted, allowing independent movement of the dental model with respect to the pivot axis hingedly linking the arms. | 07-25-2013 |
20130177866 | METHOD AND APPARATUS FOR IMAGING THREE-DIMENSIONAL STRUCTURE - An apparatus for determining surface topology of a portion of a three-dimensional structure is provided, that includes a probing member, an illumination unit, a light focusing optics, a translation mechanism, a detector and a processor. | 07-11-2013 |
20130103176 | METHOD AND SYSTEM FOR FABRICATING A DENTAL COPING, AND A COPING FABRICATED THEREBY - A wax model of a required coping is produced using CNC machining techniques based on a virtual model of the coping created from digital data obtained from the intraoral cavity. The dental coping is then fabricated from the wax model. | 04-25-2013 |
20130094031 | METHOD AND APPARATUS FOR IMAGING THREE-DIMENSIONAL STRUCTURE - An apparatus for determining surface topology of a portion of a three-dimensional structure is provided, that includes a probing member, an illumination unit, a light focusing optics, a translation mechanism, a detector and a processor. | 04-18-2013 |
20130070985 | METHOD AND APPARATUS FOR COLOUR IMAGING A THREE-DIMENSIONAL STRUCTURE - A device for determining the surface topology and associated color of a structure, such as a teeth segment, includes a scanner for providing depth data for points along a two-dimensional array substantially orthogonal to the depth direction, and an image acquisition means for providing color data for each of the points of the array, while the spatial disposition of the device with respect to the structure is maintained substantially unchanged. A processor combines the color data and depth data for each point in the array, thereby providing a three-dimensional color virtual model of the surface of the structure. A corresponding method for determining the surface topology and associated color of a structure is also provided. | 03-21-2013 |
20120239177 | METHOD AND SYSTEM FOR DESIGNING AND PRODUCING DENTAL PROSTHESES AND APPLIANCES - A virtual model of an intraoral cavity is provided, wherein this process is initialized by a dental clinic, and the design and manufacture of a suitable dental prosthesis for the intraoral cavity is shared between a dental lab and a service center. | 09-20-2012 |
20120092678 | METHOD AND APPARATUS FOR COLOUR IMAGING A THREE-DIMENSIONAL STRUCTURE - Provided is a device for determining the surface topology and associated color of a structure, such as a teeth segment, including a scanner for providing depth data for points along a two-dimensional array substantially orthogonal to the depth direction, and an image acquisition means for providing color data for each of the points of the array, while the spatial disposition of the device with respect to the structure is maintained substantially unchanged. A processor combines the color data and depth data for each point in the array, thereby providing a three-dimensional color virtual model of the surface of the structure. A corresponding method for determining the surface topology and associated color of a structure is also provided. | 04-19-2012 |
20120065952 | METHOD FOR MANIPULATING A DENTAL VIRTUAL MODEL, METHOD FOR CREATING PHYSICAL ENTITIES BASED ON A DENTAL VIRTUAL MODEL THUS MANIPULATED, AND DENTAL MODELS THUS CREATED - A 3D virtual model of an intra oral cavity in which at least a part of a finish line of a preparation is obscured is manipulated in virtual space by means of a computer or the like to create, recreate or reconstruct finish line data and other geometrical corresponding to the obscured part. Trimmed virtual models, and trimmed physical models, can then be created utilizing data thus created. The virtual models and/or the physical models may be used in the design and manufacture of copings or of prostheses. | 03-15-2012 |
20110282474 | METHOD AND SYSTEM FOR FABRICATING A DENTAL COPING, AND A COPING FABRICATED THEREBY - A wax model of a required coping is produced using CNC machining techniques based on a virtual model of the coping created from digital data obtained from the intraoral cavity. The dental coping is then fabricated from the wax model. | 11-17-2011 |
20110279825 | METHOD AND APPARATUS FOR IMAGING THREE-DIMENSIONAL STRUCTURE - An apparatus for determining surface topology of a portion of a three-dimensional structure is provided, that includes a probing member, an illumination unit, a light focusing optics, a translation mechanism, a detector and a processor. | 11-17-2011 |
20110183294 | METHOD FOR PREPARING A PHYSICAL PLASTER MODEL - Provided is a method for creating a physical teeth model. Further, the method includes providing a virtual three dimensional (3D) representation of a patient's dentition that includes at least a region of the teeth that includes a tooth stump on which a crown is to be fitted or a region on to which a bridge is to be fitted; and preparing a physical model of the jaws of a subject from a blank, based on information from said virtual 3D image. | 07-28-2011 |
20110183282 | DENTAL IMAGING INSTRUMENT HAVING AN AIR STREAM AUXILIARY - A dental instrument and method for imaging the three-dimensional topography of one or more teeth in the oral cavity of an individual is provided. The instrument includes a probe insertable into the oral cavity to receive the image of these surfaces which can then be processed. Combined with the probe is an auxiliary which projects an air stream toward the surface to be imaged by the probe and acts to evaporate and remove from these surfaces a liquid film coating formed by saliva and other fluids present in the oral cavity, to render these surfaces dry and to enhance their reflectivity and in doing so, provide clearer images. | 07-28-2011 |
20110105894 | SYSTEM AND METHOD FOR SCANNING AN INTRAORAL CAVITY - According to the invention, a method and system are provided for scanning, and for facilitating scanning of, an intraoral cavity. The target parts of the intraoral cavity that it is desired to have scanned are identified, and the spatial relationships between a scanning device and the target parts of the intraoral cavity suitable for enabling said target parts to be scanned by said scanning device, are also identified or otherwise determined. These relationships are then displayed, and the displayed relationships are used as a guide for scanning the intraoral cavity. | 05-05-2011 |
20110082669 | VIRTUAL ORTHODONTIC TREATMENT - A method for virtual orthodontic treatment is provided in which a virtual set of orthodontic components is associated, in a virtual space, with a first virtual three-dimensional image of teeth, and then by a set of rules which define the effect of the set of components' teeth, the effect of the virtual treatment can be computed. This virtual treatment can be used to predict the results of a real-life orthodontic treatment as to design such a treatment. | 04-07-2011 |
20110070554 | METHOD AND SYSTEM FOR PROVIDING FEEDBACK DATA USEFUL IN PROSTHODONTIC PROCEDURES ASSOCIATED WITH THE INTRA ORAL CAVITY - Feedback data useful in prosthodontic procedures associated with the intra oral cavity is provided. First, a 3D numerical model of the target zone in the intra oral cavity is provided, and this is manipulated so as to extract particular data that may be useful in a particular procedure, for example data relating to the finish line or to the shape and size of a preparation. The relationship between this data and the procedure is then determined, for example the clearance between the preparation and the intended crown. Feedback data, indicative of this relationship, is then generated, for example whether the preparation geometry is adequate for the particular type of prosthesis. | 03-24-2011 |
20110031384 | SPECKLE REDUCTION METHOD AND APPARATUS - An apparatus adapted for confocal imaging of a non-flat specimen comprising a coherent light source for producing a light beam, imaging optics adapted to focus the light beam into at least one spot on a surface of a specimen, and a detector adapted to receive and detect light reflected from the specimen surface. The imaging optics comprise at least one optical component located so that the light reflected from the specimen surface passes therethrough on its way to the detector. The optical component is movable so as to move the at least one spot, within a range of movement, to a number of distinct locations in a plane perpendicular to the apparatus' optical axis, within the detector's integration time. | 02-10-2011 |
20100241262 | METHOD AND SYSTEM FOR DESIGNING AND PRODUCING DENTAL PROSTHESES AND APPLIANCES - A virtual model of an intraoral cavity is provided, wherein this process is initialized by a dental clinic, and the design and manufacture of a suitable dental prosthesis for the intraoral cavity is shared between a dental lab and a service center. | 09-23-2010 |
20100216085 | Method, system and model for indirect bonding - A physical model of at least a portion of a patient's dentition has model dental surfaces corresponding to real dental surfaces of the patient's dentition. The physical model includes one or more targets, each configured for facilitating placement of an orthodontic appliance on the model at a desired location. The targets lack mechanical stops that are outwardly protruding from the original model dental surfaces. Also provided are a method of manufacturing a physical model for use in indirect bonding procedures, a method for indirect bonding for use in an orthodontic procedure, a method for providing an indirect bonding transfer tray for use in an orthodontic procedure, and a system for providing a physical model for use in indirect bonding orthodontic procedures. | 08-26-2010 |
20100208275 | METHOD AND APPARATUS FOR COLOUR IMAGING A THREE-DIMENSIONAL STRUCTURE - Provided is a device for determining the surface topology and associated color of a structure, such as a teeth segment, including a scanner for providing depth data for points along a two-dimensional array substantially orthogonal to the depth direction, and an image acquisition means for providing color data for each of the points of the array, while the spatial disposition of the device with respect to the structure is maintained substantially unchanged. A processor combines the color data and depth data for each point in the array, thereby providing a three-dimensional color virtual model of the surface of the structure. A corresponding method for determining the surface topology and associated color of a structure is also provided. | 08-19-2010 |
20100191510 | METHODS, APPARATUS AND SYSTEM FOR USE IN DENTAL PROCEDURES - A method and system are provided for providing patient data useful for dental procedures, including scanning a dental structure of a patient when coupled to a geometric structure to provide a virtual model representative of the coupling and the dental structure, and relating the virtual model to a body reference of the patient. | 07-29-2010 |
20100173258 | Dental Articulator - A dental articulator is provided in which at least one of the two arms thereof has a base member that is articulated with respect to a bracket element onto which a dental model may be mounted, allowing independent movement of the dental model with respect to the pivot axis hingedly linking the arms. | 07-08-2010 |
20100167238 | System and method for manufacturing a dental prosthesis and a dental prosthesis manufactured thereby - A dental prosthesis is made by externally machining successive layers of wax, each of which is formed on a previous prosthesis layer and/or on a coping. Each wax layer is used to form a mold in situ over the previous prosthesis layer/coping, and the appropriate prosthesis material is cast or otherwise molded to conform to the wax layer by the mold. | 07-01-2010 |
20100165358 | Method and apparatus for imaging three-dimensional structure - An apparatus for determining surface topology of a portion of a three-dimensional structure is provided, that includes a probing member, an illumination unit, a light focusing optics, a translation mechanism, a detector and a processor. | 07-01-2010 |
20100165357 | Method and apparatus for imaging three-dimensional structure - An apparatus for determining surface topology of a portion of a three-dimensional structure is provided, that includes a probing member, an illumination unit, a light focusing optics, a translation mechanism, a detector and a processor. | 07-01-2010 |
20100114351 | Method for manipulating a dental virtual model, method for creating physical entities based on a dental virtual model thus manipulated, and dental models thus created - A 3D virtual model of an intra oral cavity in which at least a part of a finish line of a preparation is obscured is manipulated in virtual space by means of a computer or the like to create, recreate or reconstruct finish line data and other geometrical corresponding to the obscured part. Trimmed virtual models, and trimmed physical models, can then be created utilizing data thus created. The virtual models and/or the physical models may be used in the design and manufacture of copings or of prostheses. | 05-06-2010 |
20100021859 | Methods, systems and accessories useful for procedures relating to dental implants - A method and system are provided for manufacturing a physical dental model. A virtual model is provided representative of at least a portion of the intra-oral cavity including at least one dental implant implanted therein, and the virtual model includes a virtual portion representative of each dental implant. The virtual spatial disposition of each such virtual portion is determined with respect to the virtual model, corresponding to a real spatial disposition of the respective implant with respect to the intra oral cavity. A physical model is then manufactured based on the virtual model, the physical model including a physical analog corresponding to each implant at a respective physical spatial disposition with respect to the physical model corresponding to the respective virtual spatial disposition of the respective virtual portion with respect to the first virtual model as already determined. In some embodiments, a jig is provided configured for maintaining a desired physical spatial disposition between the physical analog and a cavity of the physical dental model at least until the physical analog is affixed in the cavity. | 01-28-2010 |
20090153879 | Method and apparatus for imaging three-dimensional structure - An apparatus for determining surface topology of a portion ( | 06-18-2009 |
20090153858 | Method and apparatus for colour imaging a three-dimensional structure - A device for determining the surface topology and associated color of a structure, such as a teeth segment, includes a scanner for providing depth data for points along a two-dimensional array substantially orthogonal to the depth direction, and an image acquisition means for providing color data for each of the points of the array, while the spatial disposition of the device with respect to the structure is maintained substantially unchanged. A processor combines the color data and depth data for each point in the array, thereby providing a three-dimensional color virtual model of the surface of the structure. A corresponding method for determining the surface topology and associated color of a structure is also provided. | 06-18-2009 |
20090148807 | Method and apparatus for imaging three-dimensional structure - An apparatus for determining surface topology of a portion ( | 06-11-2009 |
20080300716 | Method for manipulating a dental virtual model, method for creating physical entities based on a dental virtual model thus manipulated, and dental models thus created - A 3D virtual model of an intra oral cavity in which at least a part of a finish line of a preparation is obscured is manipulated in virtual space by means of a computer or the like to create, recreate or reconstruct finish line data and other geometrical corresponding to the obscured part. Trimmed virtual models, and trimmed physical models, can then be created utilizing data thus created. The virtual models and/or the physical models may be used in the design and manufacture of copings or of prostheses. | 12-04-2008 |
20080261166 | Method and system for assisting in applying an orthodontic treatment - A method and system for providing information for correct placement of one or more brackets on one or more corresponding teeth according to a predetermined treatment scheme. A virtual representation of a three-dimensional teeth arrangement of one or both jaws of the individual with brackets placed on said teeth is obtained, wherein the position and orientation of the brackets on said teeth being designed so as to achieve a desired treatment outcome. The virtual representation is processed to generate an output data, the output data driving a display, such as a computer monitor or a printed “hard-copy”, to display an image of at least one tooth with a bracket thereon, the displayed image having three-dimensional qualities indicative of said at least one tooth as viewed from a defined viewpoint. The invention can be applied to the placement of brackets onto the buccal side of the teeth as well as onto the lingual side of the teeth. | 10-23-2008 |
20080208382 | Method and system for fabricating a dental coping, and a coping fabricated thereby - A wax model of a required coping is produced using CNC machining techniques based on a virtual model of the coping created from digital data obtained from the intraoral cavity. The dental coping is then fabricated from the wax model. | 08-28-2008 |