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| Number | Title | Issue Date |
| 7374422 | Process and kit for producing a dental restoration piece A process is provided for producing a dental restoration piece that has a frame with first and second portions and a blended synthetic material covering a first portion of the frame, the heat expansion coefficient of the blended synthetic material being different th... | 05/20/2008 |
| 7314610 | Dental compositions having anti-stokes up converters and methods of use A dental composition can include at least one polymerizable resin and at least one anti-stokes up converter. Alternatively, a two-part composition can include at least one dental composition configured for placement onto a person's tooth, and at least one anti-stoke... | 01/01/2008 |
| 7175427 | Visually simulated tooth braces Visually simulated tooth braces include individual visual tooth brace indicia to simulate real functional braces commonly worn by children and adults alike to adjust human teeth. The visually simulated tooth braces allow for children to temporarily wear braces as ma... | 02/13/2007 |
| 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 |
| 7091142 | Glass-ceramic and its production and use The invention encompasses a glass-ceramic comprising a continuous glass phase and a crystal phase comprising tetragonal leucite, wherein the glass-ceramic has a crack-free glass phase and a crystal phase comprising leucite crystals distributed essentially homogeneou... | 08/15/2006 |
| 6994550 | Vapor deposited titanium and titanium-nitride layers for dental devices A coating for a biomedical device is disclosed, including a metal layer and/or a ceramic layer, such as a layer of titanium (Ti) and a layer of titanium-nitride (TiN). The coating can form a coping for a crown for a tooth, the crown including a porcelain layer bonde... | 02/07/2006 |
| 6984261 | Use of ceramics in dental and orthodontic applications The invention relates to uses of glasses and glass-ceramics in dental and orthodontic applications. ... | 01/10/2006 |
| 6938815 | Heat-resistant electronic systems and circuit boards Methods of making improved electronic systems and circuits boards, and more specifically to methods of making improved electronic systems and circuits boards using heat-resistant composite materials having superior mechanical, thermal, and electrical properties.... | 09/06/2005 |
| 6872076 | Dental bridges comprising fiber reinforced frameworks with fiber or particulate reinforced veneers A dental restoration comprising a fiber reinforced composite framework and one or more of a randomly dispersed, fiber-filled veneer, a soft particulate filled composite veneer having a strain to failure greater than that of FRC framework and/or a brittle particulate... | 03/29/2005 |
| 6667112 | 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 ... | 12/23/2003 |
| 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 |
| 6428614 | 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... | 08/06/2002 |
| 6342302 | Ceramic dental restoration A ceramic restoration based on a leucitic glass-ceramic, which is characterized in that the glass-ceramic includes by way of components 40-95 wt.-% SiO2 5-25 wt.-% Al2 | 01/29/2002 |
| 6306784 | Alkali silicate glass Alkali silicate glasses are described which, in view of their good chemical stability and their optical properties and processing properties, are particularly suitable as a coating or veneering material for ceramic dental frameworks and hence for the prod... | 10/23/2001 |
| 6206958 | Dental porcelain compositions Porcelain compositions of the present invention comprises particulate of one or more glass or glass-ceramic powder components. Additionally, one or more opacifing agents, pigments, fluorescing agents and the like may be included in the composition. Based ... | 03/27/2001 |
| 6203326 | Dental jewelry Dental jewelry includes a surface-covering jewelry piece, the body of which is designed to lie principally in a plane parallel with the tooth surface and is designed to be affixed to said surface by a layer of fixing composite. On its backside, which is d... | 03/20/2001 |
| 6159011 | Process for producing a titanium-ceramic adhesive composite system The invention relates to a process for producing a titanium and ceramic adhesive composite system, and a titanium and ceramic adhesive system produced therefrom. The system can be used to improve the adhesive of ceramics, intended for pure titanium or tit... | 12/12/2000 |
| 6121175 | Alkali silicate glass Alkali silicate glasses are described which, in view of their good chemical stability and their optical properties and processing properties, are particularly suitable as a coating or veneering material for ceramic dental frameworks and hence for the prod... | 09/19/2000 |
| 6027012 | Method for making metal frameworks for dental protheses The present invention relates to a method for making metal frameworks for dental protheses: of the type comprising metallic cops, optionally coated with resin or ceramic material, designed to be anchored in the mouth directly onto the stump of the tooth o... | 02/22/2000 |
| 6022819 | Dental porcelain compositions Porcelain compositions of the present invention comprise one or more glass or glass-ceramic powder components. Additionally, one or more opacifying agents, pigments, fluorescing agents and the like may be included in the composition. Based on volume perce... | 02/08/2000 |
| 5810593 | Three-dimensional ornamental dental appliance jewelry and method for attaching it directly to the surface of a tooth A process for producing and installing a three-dimensional ornamental jewelry dental appliance onto a target tooth selected by the patient without employing a crown is disclosed, as is the structure of the ornamental appliance itself. The dental appliance... | 09/22/1998 |
| 5782638 | Ornamental film article for dental substrate decoration and dental substrate decorated therewith An ornamental metal foil applique for adhesive securement to a dental substrate, comprises a metal foil body having main top and bottom faces of a predetermined shape, preferably with a maximum facial area dimension not exceeding 1 centimeter. The main bo... | 07/21/1998 |
| 5614330 | Porcelain coating compositions for low expansion porcelain cores and the resulting all-ceramic dental restorations An all-ceramic dental restoration comprising a ceramic core over and at least one coating thereon of a porcelain composition having a maturing temperature of from about 850° to about 1050° C. and a coefficient of thermal expansion of from about 4.0 to a... | 03/25/1997 |
| 5575653 | Artificial tooth blank made in series production The artificial tooth blanks made by series production involve a dentin-colored fired dental ceramic composition including a previously compression-molded hard core and optionally a retention, wherein the size of the artificial tooth blank is reduced over ... | 11/19/1996 |
| 5560742 | Use of palladium-silver alloys for the manufacture of dentures Gold-free palladium-silver alloys for dentures [dental prostheses] which alloys can be veneered without color changes with dental ceramics and can be easily removed from the mold after the casting contain 45 to 80% by weight palladium, 7 to 50% by weight ... | 10/01/1996 |
| 5314334 | Dental procelain bond layer for titanium and titanium alloy copings Porcelain compositions suitable for layers on metal base dental restorations have fusion temperatures of about 800° C. and lower. The compositions may be employed as coatings on titanium and titanium alloy bases since the compositions have thermal expans... | 05/24/1994 |
| 5288232 | Dental porcelain for titanium and titanium alloys Porcelain compositions suitable for use as porcelain layers on metal base dental restorations have fusion temperatures of about 800° C. and lower. The compositions may be employed as coatings on titanium and titanium alloy bases since the compositions ha... | 02/22/1994 |
| 5250352 | Process for the preparation of a dental prosthesis and the prosthesis produced by said process A ceramic dental prosthesis is produced from a shaped fritted metal oxide infrastructure whose pores are filled with a glass.... | 10/05/1993 |
| 5104320 | Precious metal tooth facings Dental facings or veneers preformed from precision metals; suitable for attachment to the labial enamel surface of human teeth; and utilizable for cosmetic purposes and/or as a base for further decorative enhancement by cut-out design, inlaid design or ot... | 04/14/1992 |
| 5064731 | Dental prostheses A dental prosthesis comprises an inner layer portion and an outer layer portion. The outer layer portion is a dental porcelain material, while the inner layer portion is a sintered product which, after sintering, is composed of: (i) 40 to 95% by weight of... | 11/12/1991 |
| 5030097 | Method using a colloidal suspension of the rare earth oxide as a wetting agent and a suspending agent for making dental porcelains There is provided a mixture which preferably is a colloidal suspension of finely divided particles of a rare-earth oxide such as cerium oxide in a liquid. The liquid may be all water but also may include other materials such as acetic acid, 1,3-butanediol... | 07/09/1991 |
| 4997699 | Material for reinforcing dental structures A dental material of a metal composition for reinforcing the metal framework of a dental restoration comprising an aggregate combination of metal particles including a first high fusing temperature precious metal component and a second low fusing temperat... | 03/05/1991 |
| 4990394 | Method and materials for dental structures The method and material of the present inventioin includes a combination of a high-fusing temperature metal component and a low-fusing temperature metal component which are adapted to be heat treated at a temperature above the melting temperature of the l... | 02/05/1991 |
| 4879136 | Method of applying opaque dental ceramic material to a metal structure A method of building a dental appliance and a kit for use in the method are provided. In the method, metal copings are coated with an opaque ceramic paste, and a coarse ceramic powder, having structural stability under the conditions needed to fire the ce... | 11/07/1989 |
| 4806383 | Method of applying opaque dental cermic material to a metal structure A method of building a dental appliance and a kit for use in the method are provided. In the method, metal copings are coated with an opague ceramic paste, and a coarse ceramic powder, having structural stability under the conditions needed to fire the ce... | 02/21/1989 |
| 4776795 | Process for making metal artificial tooth parts The process for making metal artificial tooth parts consists in that an impression of the tooth or jaw to be treated is prepared using an electrically non-conductive material, the inner wall of said impression is coated with a heated low-melting alloy and... | 10/11/1988 |
| 4740160 | Weldable crowns, bridges and jointing implements or means Dental crowns, bridges and jointing implements or tabs for dental prostheses which are capable of being welded in the mouth are disclosed. These structures are preferably comprised of high purity titanium alloy. The dental crowns are formed as a cast or p... | 04/26/1988 |
| 4720319 | Method for applying retention means onto casting patterns of dental prosthetic metal constructions Completely removable retention means are applied onto casting patterns for dental prosthetic metal constructions by coating the casting pattern with an adhesive coating composition to hold said retention means in position, said composition containing at l... | 01/19/1988 |
| 4676294 | Gate Gate is a wax structure for forming part of a wax master in investment casting of a dental prosthesis. The gate has a square feeder with a circular disc on each end. The square feeder reduces the cracking stresses between adjacent feeders to reduce unwant... | 06/30/1987 |
| 4626215 | Mastication-enhancing protrusion The mastication enhancing device of the instant invention includes a hardened cusp for providing a hardened occlusal surface in a tooth, and means for retaining the hardened cusp in a predetermined pattern in a tooth. A major portion of a hardened cusp is... | 12/02/1986 |