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| Number | Title | Issue Date |
| 7329125 | Method for improving the cement retention of a dental coping to a tooth structure A method to increase the cement retention of a metal dental coping to the structure of a tooth in the preparation of a crown or bridge. The method includes forming a liquid composition of high and low fusing temperature metal particles with at least 50% of the high ... | 02/12/2008 |
| 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 |
| 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 |
| 6290501 | Silver-palladium alloys for producing a dental prosthesis which can be covered with dental ceramic The invention relates to silver-palladium alloys for the manufacture of dental prostheses which can be faced with dental ceramic. Because of selected contents of the alloy elements indium, tin and zinc, these cause no discolorations when combined with low-melt... | 09/18/2001 |
| 5713994 | Low-fusing temperature porcelain, compositions, prostheses, methods and kits A low-fusing temperature porcelain compositions, methods of use thereof on metal or porcelain substrates to form dental prostheses and kits therefor. Compositions of the invention have a fusing temperature of less than 800° C. and a coefficient of therma... | 02/03/1998 |
| 5431875 | Dental alloy producing light oxides A precious metal alloy for dental restorations which develops a light oxide upon firing, on a percentage weight basis at makeup, consists of 60-95 precious metal(s) selected from the group consisting of 60-855 palladium, 0-10 gold, 0-10 platinum, 0-12 sil... | 07/11/1995 |
| 5362438 | Powder of dental metal, a process for the preparation thereof, a process for the manufacture of a substructure for a dental restoration and a process for the manufacture of a dental restoration This invention relates to a powder substantially of dental metal, which powder is suitable for the manufacture of a dental restoration such as a crown or a bridge, comprising a substructure of dental metal and a fired on coating of a dental ceramic materi... | 11/08/1994 |
| 5346396 | Dental prosthesis A wax pattern is built up on the surface of the other end of a post comprising pure titanium. The wax pattern is used to produce a casting mold. While the casting mold is kept at a predetermined temperature, a crystallized glass having a thermal expansion... | 09/13/1994 |
| 5322110 | Dental prosthetic joining process by casting-on and primary moulds therefor In a dental prosthetic casting-on process, in which a secondary part made of metal is cast-on to a primary part made of metal, a primary part made from an oxide-forming metal alloy may be used if the latter's casting-on surface is alloyed, prior to castin... | 06/21/1994 |
| 5290371 | Dental alloy and restoration made therewith A noble metal dental casting alloy for use in making dental restorations comprises 35-70 percent by weight palladium, 25-50 percent by weight silver, 0.5-10 percent by weight manganese, and 1-30 percent of at least one modifier element selected from (i) t... | 03/01/1994 |
| 5186626 | Metal-porcelain dental bridges A dental prosthetic device is provided comprising a coping adapted to be placed on at least one abutment tooth to an edentulous region. A pontic metal substructure adapted to be joined to the coping and a ceramic buildup to fill the edentulous region are ... | 02/16/1993 |
| 5173114 | Basal ceramic layer - reconstruction The present invention relates to a ceramic basal layer for opacifying the metal coping of a ceramo-metallic dental reconstruction. The ceramic basal layer for opacifying the metal coping of a ceramo-metallic dental reconstruction consists of an undercoat of op... | 12/22/1992 |
| 5143692 | Method of making a substructure for a dental restoration A method of making a substructure for a dental restoration which comprises a substructure of a dental metal and a fired on coating of a dental ceramics, which method comprises applying a powder-form mixture of a dental metal powder and a thermoplastic pol... | 09/01/1992 |
| 5118296 | Dental restoration and method of manufacturing In the formation of a dental restoration unit, a procedure for securely bonding composite resin material to a core structure is employed. A core structure comprising, for example, metal, is wholly or partially covered with a cohesion layer comprised of a ... | 06/02/1992 |
| 5108506 | Dental cement hardened by a carboxyl group-modified silicone oil and a hardening accelerator A dental cement having a composition consisting essentially of a hardening liquid, a hardening accelerator, wherein the hardening liquid consists essentially of carboxyl-modified silicone oil.... | 04/28/1992 |
| 5104323 | Metal-ceramic filling for teeth A metal-ceramic filling to be cemented into a cavity of a tooth (10), which consists of cast metal (1) on its side capable of bearing weight, on which a ceramic material (2) is applied by means of a firing technique. The cast metal (1) is thinner on its e... | 04/14/1992 |
| 5011311 | Dental alloy A dental alloy consists essentially of 60 to 85% by weight palladium, 5 to 20% by weight copper, 3 to 15% by weight gallium, and, as modifiers, 0.5 to 7% by weight gold, 0.005 to 0.02% by weight ruthenium, rhenium, iridium or a mixture of at least two of ... | 04/30/1991 |
| 5011410 | Silane-treated metal dental articles Metal dental articles with a layer of exogenous inorganic oxide thereon, and a method of applying such a layer, which method involves heating a coating of a coupling agent for a temperature and for a time sufficient to convert the coating to a layer of ex... | 04/30/1991 |
| 4980124 | Dental restoration and method for its production An improvement is provided in the so-called "Foil" system for producing jacketed porcelain dental crowns. One of the most significant improvements is the formation of a crush-resistant coping comprised of a die-conforming noble metal foil and a bonded sin... | 12/25/1990 |
| 4978391 | Intraoral medicament delivery and procedure A method for cushioning dental appliance in the mouth using a visible light cured polymeric material which can also be used in a method for intraoral medicament delivery in the mouth is provided. When used with an orthodontic bracket, for example, the lig... | 12/18/1990 |
| 4895516 | Intermediate ceramic bonding layer for bonding of a resin to an alloy structure or substructure The invention is a method of manufacturing a dental restoration from a polymerizable resin or composite resin with an alloy structure, or a method of manufacturing an alloy substructure-reinforced dental restoration. An alloy structure or substructure is ... | 01/23/1990 |
| 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 |
| 4826436 | Prefabricated dental prosthesis The dental prosthesis of the present invention includes a plurality of flexible metal arm connectors which extend from a common member in forming a bridge or from a common joint in forming a splint. The arm connectors are adapted to be affixed to adjacent... | 05/02/1989 |
| 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 |
| 4579529 | Manufacturing system for fixed dental prosthesis The present invention relates to a fixed dental prosthesis having a non-metallic central nucleus, a metallic tube-shaped frame surrounding the nucleus, and an external coating surrounding the frame. The nucleus and coating comprise the same material and a... | 04/01/1986 |
| 4556389 | Method and compositions for bonding metals and ceramics with which to make prosthetic teeth A novel method for firmly bonding metal and ceramics comprising the steps of applying a composite plating composition consisting of a metal containing plating solution and fine particles of ceramic on a surface of metal to which the ceramic is to be bonde... | 12/03/1985 |
| 4552779 | Process for preparing a cast metal surface structure for bonding to a tooth structure and material used therewith A process for preparing a cast metal surface such that it is usable for bonding to a tooth structure. A water soluble adhesive medium is placed on a stone cast of a tooth or teeth. A mixture of soluble and non-soluble particles are then placed onto the ad... | 11/12/1985 |
| 4543064 | Dental bridge This invention is directed to the use of a false tooth having an attaching means rearwardly directed on the rear of the false tooth. The attaching means makes it possible to more definitely and more easily position the false tooth while working an individ... | 09/24/1985 |
| 4486179 | Biocompatible cementitious dental compositions Dental cements with syringate esters such as 2-ethylhexyl syringate with or without vanillate esters dissolved in o-ethoxybenzoic acid as ingredients of the liquid when mixed with metal oxide powder yield rapid setting, insoluble cements that have high st... | 12/04/1984 |
| 4481036 | Glaze for use on non-metallic dental copings A stable glaze for use on ceramic dental copings has the following composition:... | 11/06/1984 |
| 4461618 | Process for producing a dental restoration A process for producing a dental restoration wherein a bonding agent is disclosed for bonding dental porcelain to a nickel-containing metal core. The bonding agent is aluminum powder and an inert organic liquid carrier.... | 07/24/1984 |
| 4451236 | Dental prosthesis and method for making same The dental prosthesis comprises a base from a durable corrosion-resistant metallic alloy and at least one external decorative layer. The external decorative layer is made of a harder material than the base and comprises nitrides, oxynitrides, carboxynitri... | 05/29/1984 |
| 4392829 | Metal-porcelain dental restoration and method of making A baked metal-porcelain dental restoration is provided, including a method of making same. The restoration includes a substrate formed from a non-cast thin metal foil having a textured exterior surface onto which a dental porcelain jacket is directly bond... | 07/12/1983 |
| 4358271 | Method of preparing ceramic-coated dental prosthetic constructions An improved method for preparing a dental prosthetic construction such as a crown or bridge is described by applying a dental ceramic composition to a base of a precious metal silver-containing alloy, drying it and firing the same. In accordance with the ... | 11/09/1982 |
| 4318697 | Dental restorative anterior structure The dental restorative structure of the present invention comprises a porcelain superstructure surrounding a metal substructure composed of a framework of relatively thin metal rod-like members. The rod-like members extend gingivally from a relatively cre... | 03/09/1982 |
| 4273580 | Reinforced jacket crown and method of construction The reinforced jacket crown of the present invention comprises an inner structure including a thin metal foil of platinum conforming in shape to the tooth preparation to be restored, at least one fired on coating of a composition of finely divided particl... | 06/16/1981 |
| 4231740 | Dental restorative structures The dental restorative structures of the present invention comprise a porcelain superstructure surrounding a metal substructure composed of a framework of relatively thin metal members interconnected to form concavities within the porcelain superstructure... | 11/04/1980 |
| 4163318 | Device for replacing missing teeth in human dentition The device which is adapted to be secured between two existing teeth is suitable for supporting an artificial denture to replace an anterior tooth or a posterior tooth. The device is comprised of a backing member having a pair of parallel extendable arms ... | 08/07/1979 |
| 4064311 | Production of metal-ceramic articles A process for the production of a metal-ceramic article which comprises firing porcelain on to a metal substrate, the metal substrate having deposited thereon an adherent layer of a metal oxide which is wetted by the porcelain in the fused state.... | 12/20/1977 |