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| Number | Title | Issue Date |
| 8048345 | Zirconium oxide-based dental implant and method for producing said dental implant A dental implant for a patient includes an anchoring part to anchor the dental implant in the bone and an abutment that is designed for fixation of a crown or similar supraconstruction and is or can be connected to the anchoring part. The anchoring part and the abut... | 11/01/2011 |
| 7998375 | Method of manufacturing high strength dental restorations Fiber-reinforced composite posts are produced having high strength and high radiopacity. In a method of manufacturing the fiber-reinforced composite posts, fibers are pulled through filled resin and heat is applied at various steps in the process to provide high str... | 08/16/2011 |
| 7754115 | Ceramic dental prosthesis, method and device for making same A ceramo-ceramic dental prosthesis is made from a patient's negative mandibular impression, including at least one working cavity having an inner surface matching the lower surface of the prosthesis to be produced and left at least by one tooth primed by the dental ... | 07/13/2010 |
| 7566412 | Dental method and device A dental device and method of making it, by shaping a first and a second wax-like polymerizable dental material to form a polymerizable dental device. ... | 07/28/2009 |
| 7476347 | Process for making denture having integral teeth and denture base A dental device including an integrally connected artificial tooth and denture base. The artificial tooth is made by continuously conveying polymerizable material into tooth forming molds. ... | 01/13/2009 |
| 7294392 | Composite material and method for the production thereof A composite material with a porous inorganic-nonmetallic matrix and a second material, is characterized in that the porous inorganic-nonmetallic matrix has a bending strength of ≧40 MPa as measured according to ISO 6 872; the second material is an organic material... | 11/13/2007 |
| 7270592 | Milling machine The improved milling machine makes use of individually controlled x-axis, y-axis, and z-axis carriages. These carriages provide positive and precise control of the position of the cutting tools and the blank to be cut. The tools are located in spindles that are move... | 09/18/2007 |
| 7255561 | Method and kits for forming pontics in polymeric shell aligners Systems and methods are disclosed for forming a pontic in a polymeric shell dental appliance, including providing a polymeric shell dental appliance of the type which is removably placeable over a patient's dentition, said shell having a concave trough which conform... | 08/14/2007 |
| 7236166 | High-resolution rapid manufacturing The present invention is a method for forming an object, the method comprising jetting a first material to form a plurality of layers that define a support structure increment, and extruding a second material to form a layer of the object. The layer of the object su... | 06/26/2007 |
| 7210934 | Dental prosthesis made of composite material and method for making same The invention concerns dental prostheses. It concerns a method for making a dental prosthesis of composite material by forming an adhesive interface between a metallic support and a cured ceramic material less than 3 mm thick, forming an intermediate interface by tr... | 05/01/2007 |
| 7189344 | Method for producing a synthetic material part A method for producing a synthetic material part such as, for example, a dental restorative part, is provided and includes spray applying with a spray device a material having at least a polymerizable synthetic material onto a base in succeeding layers. Each layer o... | 03/13/2007 |
| 7172424 | Method of mounting removable restoration tooth by using a standardized set of inner crown units, outer crown units, and device units for conforming abutment A method is designed to mount a removable restoration tooth on a natural tooth to be restored. The method involves the use of the standardized plastic inner crowns corresponding to the permanent teeth of a human, the standardized metal outer crowns corresponding to ... | 02/06/2007 |
| 7092780 | Method for producing dental restoration and apparatus therefor A method for producing a dental restoration wherein a tooth preparation area is scanned either directly or indirectly. The scanned data is used by a computer controlled milling machine to create two or more investment blocks (50, 52, 54) for preparing a suita... | 08/15/2006 |
| 7086863 | Method for production of an artificial tooth The invention relates to a method for producing an artificial tooth, comprising a base layer substantially determining strength and at least one cover layer substantially determining appearance of a finished artificial tooth, said method comprising: establishing the... | 08/08/2006 |
| 7029275 | Interactive orthodontic care system based on intra-oral scanning of teeth Interactive, computer based orthodontist treatment planning, appliance design and appliance manufacturing is described. A scanner is described which acquires images of the dentition which are converted to three-dimensional frames of data. The data from the several f... | 04/18/2006 |
| 7011522 | Methods of producing dental restorations using CAD/CAM and manufactures thereof Ceramic precursor powders are combined with a binder and pressed into blocks or similar shapes to form green bodies. The ceramic powders consist of fairly uniform particles thoroughly dispersed to be essentially free of agglomerates such that it will sinter predicta... | 03/14/2006 |
| 6997712 | Tooth containing image thereon A dental construct is provided, which includes: a dental construct substrate; an image layer disposed at least partially on a surface of the dental construct substrate, the image layer comprising an image or information media composed of a colorant composition, the ... | 02/14/2006 |
| 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 |
| 6939489 | Desktop process for producing dental products by means of 3-dimensional plotting A process for fabricating dental form pieces for dental restoration and replacement parts is provided and includes the step of applying a material, on a firm support or a fluid medium, by a three dimensional plotting technology in a layer by layer manner. The materi... | 09/06/2005 |
| 6939136 | Dental bridge assembly and binding agents therefor In the formation of dental bridges, the preferred material is a tightly-sintered aluminium oxide, and it is normal practice that the necessary bridge parts, namely two bridge anchors and a connecting intermediate link (pontic), are formed by a specialist and thereaf... | 09/06/2005 |
| 6923420 | Method of preparing a ceramic artificial crown and a preparation kit used therefor A method of preparing a ceramic artificial crown by applying at least one kind of dental porcelain onto the surface of a ceramic core molded by heating and softening a ceramic material and putting it into a mold with the application of pressure followed by firing wh... | 08/02/2005 |
| 6923649 | Artificial tooth and a process for making an artificial tooth An artificial tooth is provided that includes a cutting mass brought into hardened condition by light polymerization, a tooth bone mass brought into hardened condition by light polymerization, and a base mass. Those masses bordering one another are intensively inter... | 08/02/2005 |
| 6921500 | Method for making a dental element The present invention relates to a method for fabricating a functional dental element, such as a crown. According to the invention, use is made of a three-dimensional printing technique. The major advantages of the invention are that no mold is needed anymore, which... | 07/26/2005 |
| 6899915 | Methods and compositions for culturing a biological tooth Tooth tissues include the pulp mesenchyme that forms the dentin and an epithelium that is responsible for enamel formation. Cells from these tissues were obtained from porcine third molars and were seeded onto a biodegradable scaffold composed of a polyglycolic acid... | 05/31/2005 |
| 6878333 | Barrier rib formation on substrate for plasma display panels and mold therefor A method of producing a substrate (12) for a plasma display panel, which comprises the steps of: contacting a rib precursor composition (32) containing a first photo-setting initiator having a first absorption edge and a first photo-setting component, ... | 04/12/2005 |
| 6869552 | Back casting prefabricated incisal veneers An improved lost wax method for fabricating dental devices, a prefabricated incisal veneer (1) is selected from among a group of said veneers having predetermined shapes, shades, and sizes. Wax is applied (2 and 3) to the incisal veneer to creat... | 03/22/2005 |
| 6846181 | Prefabricated components for dental appliances Ready-to-use preshaped, prefabricated cured structural components are prepared in a variety of shapes and sizes to be used in the fabrication of dental appliances. Preferably the structural components are fabricated of a fiber-reinforced composite material or a part... | 01/25/2005 |
| 6821462 | Mass production of shells and models for dental restorations produced 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 shell used in the manufacture of a dental restoration. Three-dimensional printing includes ink-jet printing a binder into selected areas of s... | 11/23/2004 |
| 6821898 | Method of forming a multi-layer microfluidic device A method is provided for fabricating a multi-layer microfluidic device on a base. A first layer is positioned on the base in a spaced relationship thereto so as to define a construction cavity therebetween. The first layer has a passageway therethrough which communi... | 11/23/2004 |
| 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 |
| 6802894 | Lithium disilicate glass-ceramics This invention is directed to lithium disilicate (Li2Si2O5) based glass-ceramics comprising silica, lithium oxide, alumina, potassium oxide and phosphorus pentoxide. The glass-ceramics are useful in the fabrication of single and mult... | 10/12/2004 |
| 6790035 | Method and kits for forming pontics in polymeric shell aligners Systems and methods are disclosed for forming a pontic in a polymeric shell dental appliance, including providing a polymeric shell dental appliance of the type which is removably placeable over a patient's dentition, said shell having a concave trough which conform... | 09/14/2004 |
| 6769912 | Device for producing a dental replacement part In a device for the automatic production of dental replacement parts, a blank 13 is fitted in a substantially plate-shaped carrier body 10 which is so dimensioned that the blank 13 does not exceed the carrier body 10 in any direction. The... | 08/03/2004 |
| 6761760 | Dental porcelains Opaque porcelains for use with metal cores in the manufacture of PFM restorations. The porcelains exhibit a coefficient of thermal expansion (CTE) substantially equal to or slightly above the CTE of the metal to which it is applied. The porcelains exhibit a CTE equa... | 07/13/2004 |
| 6740267 | Method of producing ceramic crowns A method of preparing a ceramic artificial crown by applying at least one kind of dental porcelain onto the surface of a ceramic core molded by heating and softening a ceramic material and putting it into a mold with the application of a pressure followed by firing;... | 05/25/2004 |
| 6669875 | Method for making a dental mill blank assembly A mill blank assembly for a dental prosthesis includes a milling section and a support section for supporting the assembly in a milling machine. In certain embodiments, the milling section is adhesively bonded to the support section by a direct chemical b... | 12/30/2003 |
| 6660194 | Process for the preparation of dental prosthesis A process for preparing a dental prosthesis is disclosed, including preparing a wax pattern of an objective dental prosthesis based on a duplicated model having an intraoral shape, investing the wax pattern in an investment material, and removing the wax ... | 12/09/2003 |
| 6638069 | Shaping cap for dental pin structures Shaping cap made of ceramic, metal or plastic material, which is suitable as a solid constituent of dental pin structures.... | 10/28/2003 |
| 6617043 | Dental bonding material and method for bonding a polymeric veneering material or ceramic to a metal coping in forming a dental restoration or prosthesis The dental bonding material of the present invention comprises a composition of precious metal particles consisting essentially of high fusing temperature metal particles having a melting temperature above at least about 1200° C. in a size range between ... | 09/09/2003 |
| 6613273 | Method for the manufacture of dental restorations Dental restorations are fabricated using metal powder. Preferably, the metal powder is a high fusing metal and preferably, the metal powder comprises a non-oxidizing metal. The metal powder is applied to a die and is covered with a covering material such ... | 09/02/2003 |
