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| Number | Title | Issue Date |
| 7941924 | Oral care implement and method of decorating An oral care implement comprises a head and a body provided with a three-dimensional surface feature on the body that is generally undecorated. A cover is applied to the body and includes a decoration that is associated with the three-dimensional surface feature, su... | 05/17/2011 |
| 7827694 | Method for manufacturing one-piece dental device A method for manufacturing a one-piece dental implant. The method includes the steps, in any order, of manufacturing an outer body of metal having a cavity and manufacturing an inner body of plastic or composite material having an outer profile. The cavity has an in... | 11/09/2010 |
| 7669332 | Method for manufacturing endodontic reamers and files An endodontic reamer and a method for manufacturing endodontic reamers and files, more specifically an endodontic reamer having a cylindrical shaft and a working portion extending forward from a removed end of the shaft. The working portion includes, typically, a pa... | 03/02/2010 |
| 7665212 | Methods for manufacturing endodontic instruments Endodontic instruments having a desired cutting edge are formed, at least in part, using a cold forming process. The method of forming the endodontic instrument includes providing a blank metal thread or wire and at least one die that has a negative impression of a ... | 02/23/2010 |
| 7433810 | Efficient data representation of teeth model A computer-implemented method for generating a computer model of one or more teeth by receiving a digital data set of meshes representing the teeth; creating a parametric representation of the digital data set; and displaying the computer model of the teeth using th... | 10/07/2008 |
| 7428481 | Efficient data representation of teeth model A computer-implemented method generates a computer model of one or more teeth by receiving as input a digital data set of meshes representing the teeth; selecting a curved coordinate system with mappings to and from a 3D space; and generating a function in the curve... | 09/23/2008 |
| 7398598 | Methods for manufacturing endodontic instruments A method of manufacturing endodontic files involves a chemical milling process to yield endodontic files having a desired taper and/or degree of sharpness. The process involves the steps of (a) forming helical cutting edges in the cutting portion of the metallic rod... | 07/15/2008 |
| 7335876 | Scanning device for carrying out a 3D scan of a dental model, sliding panel therefore, and method therefor A scanning system for carrying out a 3D scan of a tooth model includes an imaging device and a positioning system in the form of a sliding panel which can be positioned and has first locking means. On the locking panel there are provided second locking means which i... | 02/26/2008 |
| 7322105 | Methods for manufacturing endodontic instruments by milling A method for manufacturing endodontic instruments by milling. A provided metallic (e.g., a nickel-titanium alloy or stainless steel) thread or wire having a longitudinal axis is advanced along its longitudinal axis at a feedrate while contacting at least a portion o... | 01/29/2008 |
| 7249414 | Method for making a root canal instrument Alternative methods are described for machining a root-canal instrument, such as a root-canal reamer, which includes a working section having three flutes forming three cutting lips which are located at the apices of an isosceles triangle. ... | 07/31/2007 |
| 7207111 | Method of manufacturing an endodontic instrument Method for manufacturing endodontic instruments having either helical or non-helical flutes with hard surfaces and resilient cutting edges by either an EDM or ECM process, wherein material is removed from the instrument blank in the desired flute pattern. The EDM or... | 04/24/2007 |
| 7112065 | Method for defining a finish line of a dental prosthesis A computer-based prosthodontic method is provided, for enabling a dental practitioner to define a finish line of a dental prosthesis of at least one tooth to be fitted over a tooth preparation. The method comprises the following steps: providing a three-dimensional ... | 09/26/2006 |
| 7080979 | Method and workstation for generating virtual tooth models from three-dimensional tooth data A method is described for taking a three-dimensional virtual model of the dentition and associated anatomical structures of a patient and isolating individual teeth from the rest of the anatomical structure, e.g. gums, to thereby produce individual, virtual three-di... | 07/25/2006 |
| 7040896 | Systems and methods for removing gingiva from computer tooth models A computer-implemented method separates gingiva from a model of a tooth by defining a cutting surface along the gingiva; and applying the cutting surface to the tooth to separate the gingiva from the tooth. ... | 05/09/2006 |
| 7024770 | Method of making a dental product The invention provides high strength dental polymeric dental products made from wax-like polymerizable dental material. These dental products have superior strength compared to products formed from prior wax-like polymerizable materials. Prior wax-like polymerizable... | 04/11/2006 |
| 7020963 | Method and apparatus for indirect bonding of orthodontic appliances An indirect bonding apparatus is made by initially placing spacer material over a replica of the patient's tooth structure. A tray is then formed over the spacer material and hardened. Next, the spacer material is removed from the tooth replica and orthodontic appli... | 04/04/2006 |
| 6994549 | Dental restorations formed by solid free-form fabrication methods Solid free form fabrication techniques such as fused deposition modeling and three-dimensional printing are used to create a dental restoration. Three-dimensional printing comprises inkjet printing a binder into selected areas of sequentially deposited layers of pow... | 02/07/2006 |
| 6968619 | Method for manufacturing endodontic instruments A method of manufacturing endodontic files involves a chemical milling process to yield endodontic files having a desired taper. The process involves the steps of (a) providing a metallic rod having a cutting portion with a polygonal cross section; (b) torsioning th... | 11/29/2005 |
| 6810585 | Method of making a microendodontics ultrasonic surgical dental tool having water port A dental tool for use with an ultrasonic transducer, comprises a substantially elongate tool defined by a shaft having a proximal end with a coupling attachment for attachment to an ultrasonic transducer. A distal end of the tool has a tip configured for performing ... | 11/02/2004 |
| 6808659 | Solid free-form fabrication methods for the production of dental restorations Solid free form fabrication techniques such as fused deposition modeling and three-dimensional printing are used to create a shell or die used in the manufacture of a dental restoration. Three-dimensional printing includes ink-jet printing a binder into selected are... | 10/26/2004 |
| 6403212 | Moldable dental material composition A moldable dental material composition comprising high-fusing temperature metal particles, a volatile binder, preferably in a concentration of above at least twenty percent (20%) of the material composition, and finely divided carbonaceous particles, pref... | 06/11/2002 |
| 5914185 | Moldable dental material composition A moldable dental material composition comprising high-fusing temperature metal particles, a volatile binder, preferably in a concentration of above at least twenty percent (20%) of the material composition, and finely divided carbonaceous particles, pref... | 06/22/1999 |
| 5813859 | Method and apparatus for tooth restoration The present invention is directed to enhancing the accuracy with which tooth restorations are performed, including the manner by which a tooth is prepared and fit with a dental prosthetic. Further, the present invention is directed to reducing the skill d... | 09/29/1998 |
| 5682665 | Method for manufacturing a dental curette A method of manufacturing a dental curette having a handle, a shank disposed on one end of the handle, and a cutting blade on the shank, includes the steps of: providing a curette mold having at least a shank portion and a cutting blade portion, injection... | 11/04/1997 |
| 5593305 | Moldable dental composition A moldable dental composition including high-fusing temperature metal particles and a binder comprising wax preferably in a concentration of above at least twenty percent (20%) of the composition. The high-fusing temperature metal particles should have an... | 01/14/1997 |
| 5475912 | Method for making dental prostheses Method for making dental crowns or onlays, comprising the steps of forming an aluminium foil (14) after the prepared surface (13) of the tooth or the top (23) of a dental post or implant (21), anodic oxidizing the foil all through to oxide foil, firing th... | 12/19/1995 |
| 5332622 | Moldable dental material for forming or repairing a dental restoration A moldable dental composition for use in forming or repairing dental restorations composed of a mixture of high- and low-fusing temperature metal particles, finely divided carbonaceous particles, preferably of activated carbon, and a volatile binder in a ... | 07/26/1994 |
| 5234343 | Moldable dental material and method A moldable dental composition for use in forming or repairing dental restorations composed of a mixture of high- and low-fusing temperature metal particles and a wax in a concentration of between thirty to eighty percent by volume of the mixture. The aver... | 08/10/1993 |
| 5227602 | Process for manufacturing tooth replacements by spark erosion and device for clamping, inserting and truing plaster models or copper electrodes for the spark-erosion manufacture of tooth replacements A method of making a dental prosthesis by forming a model of a tooth stump, coating with a layer of electrically conductive material, galvanically plating over the conductive material with a layer of copper, exposing occlusal surfaces of the model, coatin... | 07/13/1993 |
| 5181301 | Method of making a very compact audio warning system A vehicle warning system (1) is disclosed. The device includes a main housing (2) to which is attached a sound generator (7), a lighting system (4), a mounting bracket (4) which is used to attach the device to an emergency vehicle, and a trim ring (6) whi... | 01/26/1993 |
| 5092022 | Method of producing a dental prosthesis After the shape of the zone of implantation in the mouth is obtained by direct impression, micro-sensing or optical impression, a prosthesis or a mold for making a prosthesis is automatically machined by machine tool at a work center with the assistance o... | 03/03/1992 |
| 5074791 | Method for constructing a dental bridge using a prefabricated pontic A method for constructing a dental bridge using a prefabricated pontic, comprising positioning the pontic between metal retainers placed on a die formed from an impression of the abutment teeth to be restored, with the pontic having an arm with a free end... | 12/24/1991 |
| 4995811 | Component part removable partial denture and method for designing and making same A method for designing and constructing component part removable partial dentures comprising designing the removable partial denture in tooth-supported and tissue-borne components provided with mechanical locks, waxing the design onto an investment model,... | 02/26/1991 |
| 4937928 | Method of making a dental crown for a dental preparation by means of a CAD-CAM system A method of making a dental crown for a dental preparation by means of a CAD-CAM system. In the method, first a model of the dental preparation is made from a refractory material under the control of the CAD-CAM system. Subsequently, at least one layer of... | 07/03/1990 |
| 4930679 | Brazing or soldering jig for dental attachments There are disclosed jigs that are used in the present invention. These jigs are directed to hold and retain left, right and intra-proximal attachment forms prior to and during the soldering of the attachment to a crown. Each jig has a precisely formed hea... | 06/05/1990 |
| 4689197 | Process for the production of a metallic denture A denture with a metallic microstructure and with low shrinkage and porosity is produced by metallurgical sintering by providing a multimodal size distribution of coarse and fine fractions of metal powder, optionally also with glass or ceramic powder, con... | 08/25/1987 |
| 4627136 | Method of manufacturing dentures A method of manufacturing of artificial teeth, in which a primary and a secondary part of the artificial tooth or the denture are preformed, then grooves for receiving a connecting element are produced in both parts by sparking erosion, and the connecting... | 12/09/1986 |
| 4575805 | Method and apparatus for the fabrication of custom-shaped implants The surface characteristics of an organ that needs restoration, for example, a tooth which has been prepared for an inlay insertion, are read by means of a noncontact scan-head. The three-dimensional shape parameters of the implant required to restore the... | 03/11/1986 |
| 4451961 | Method of making detent device for a removable dental prosthesis A detent device for removably securing a dental prosthesis in a patient's mouth, having a spring loaded plunger movably disposed in an externally threaded tubular member with an end portion of the plunger projecting outwardly therefrom. A positioning spri... | 06/05/1984 |
| 4352662 | Dental articulator frames and method of making The frames and guide blocks for a dental articulator are precisely machined in three dimensions to guarantee interchangeability with other frames and guide blocks and accuracy of articulator movement with respect to dental casts mounted thereon. Test bloc... | 10/05/1982 |
