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| Number | Title | Issue Date |
| 8034264 | Process for the preparation of colored blanks and dental shaped parts The invention relates to compositions based on ZrO2, and single- and multi-colored blanks made from oxide ceramics, and a process for their preparation, in which oxide ceramic powder is coated with a coloring substance, the coated powders are preferably g... | 10/11/2011 |
| 7811486 | Method of manufacturing a hardenable dental article Methods of manufacturing hardenable dental articles, packaged hardenable dental articles, and methods of packaging hardenable dental articles are disclosed. In various embodiments, the manufacturing may involve molding a hardenable dental material in a mold cavity t... | 10/12/2010 |
| 7413426 | Denture flask compress tool and process Disclosed is a tool for turning a hex screw at the top of a denture compress containing denture flasks which comprises a hex key wrench having a shaft of finite length. Turning the hex screw in one direction causes pressure to be applied to a plate beneath it, and t... | 08/19/2008 |
| 7368486 | Dental materials with high abrasion resistance Dental materials with high abrasion resistance and their use for producing artificial teeth and/or their enamel or cutting areas are described. The materials primarily contain: | 05/06/2008 |
| 7361697 | Prosthesis material Prosthesis material having improved stability during storage, reduced plaque affinity and improved polishing properties. ... | 04/22/2008 |
| 7350915 | Lens having at least one lens centration mark and methods of making and using same A lens having at least one lens centration mark formed on a major surface of the lens is disclosed. The lens centration mark may be located at the intersection of a first axis and the major surface, where the major surface is symmetrical about the first axis such th... | 04/01/2008 |
| 7338286 | Dental implant system An implant comprising two internal anti-rotational features. One anti-rotational feature is adapted to engage a driving tool, while the other anti-rotational feature is adapted to engage an abutment. An implant abutment system is provided with an angled abutment ada... | 03/04/2008 |
| 7201576 | 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... | 04/10/2007 |
| 7186108 | Curing unit for dental materials A curing apparatus wherein rapid curing is provided by using light, pressure, pressure and light, or purge, pressure and light to cure resinous materials by application of energy from an external source to excite polymerization in a polymerizable system. An air-tigh... | 03/06/2007 |
| 7175437 | Dental bridge holder alignment mechanism A positioning aid, formed T-shaped, is adhesively attached to portions of a broken denture plate prior to placement of the dental plate portions into a dental impression tray whereby the positioning aids extend into and are embedded into the impression material in t... | 02/13/2007 |
| 7156637 | Apparatus for producing dental prostheses Disclosed are an apparatus, materials, devices and methods for the use of a variety of thermoplastic resins in fabricating dental prostheses without the use of expensive hot-press equipment unavailable to most dental laboratories. The prostheses made by the process ... | 01/02/2007 |
| 7157502 | Polymerizable dental barrier material This invention relates to a polymerizable dental barrier material and method of making same including at least one high molecular weight polymer with reactive end groups having a concentration ranging from about 50 to about 99 percent by weight and a polymerization ... | 01/02/2007 |
| 7144240 | Methodology and apparatus for manufacturing dental appliances The present invention is a methodology and apparatus for investment casting and injection molding of dentures. The apparatus utilizes a dental flask placed in a press held in position by a turn screw. An injector, comprised of a piston inserted into a dual open ende... | 12/05/2006 |
| 7040885 | Duplication of lost dentures A mold used in duplicating a denture consists of a tissue side mold section and an exterior side mold section. The tissue side mold section is made of a dimensionally stable material, such as dental stone or an addition-cured silicone rubber, so that the tissue side... | 05/09/2006 |
| 6881360 | Process for producing a prosthesis and a prosthesis material A process for producing a dental prosthesis wherein an impression is taken of the patient's mouth, a working model is created, a base plate is applied to the working model, an insulating film is applied to the base plate, a tooth arrangement in wax is formed on the ... | 04/19/2005 |
| 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 |
| 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 |
| 6730246 | Duplication of lost dentures A method of replacing a lost denture includes the steps of forming a mold 20 as an impression of the original denture, and of fabricating a replacement denture using this mold. The mold consists of a tissue side mold section and an exterior side mold section.... | 05/04/2004 |
| 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 |
| 6617680 | Chip carrier, semiconductor package and fabricating method thereof A chip carrier, a semiconductor package and a fabricating method thereof are proposed, in which on one side of the chip carrier finally removed from an engaged surface of a mold in a de-molding process there is formed at least one grounding means correspo... | 09/09/2003 |
| 6386503 | Mold for embedding casts in an embedding compound for producing molds for dental workpieces A mold for embedding casts in an embedding compound for producing molds for dental workpieces, such as crowns and bridges, which has a mold cavity which can be filled with the embedding compound, which holds at least one cast and which is closed by a cyli... | 05/14/2002 |
| 6335385 | Method of making a dental prosthesis and curable system The invention provides a curable system and method of making a dental prosthesis. The method of making a dental prosthesis includes providing a one component denture base resin composition which is polymerizable by microwave energy. The one component dent... | 01/01/2002 |
| 6302186 | Plunger for a pressing furnace A disposable plunger for use in a pressing furnace for the fabrication of dental restorations. The plunger is fabricated of a refractory investment material such as gypsum-bonded, phosphate-bonded or ethyl silicate-bonded investment materials. The plunger... | 10/16/2001 |
| 6287490 | Method for manufacturing a dental prosthesis A method for manufacturing a fiber rein-forced composite dental restoration comprising the steps of (i) preparing a mould; (ii) filling the cavity of the mould with a fiber-reinforced polymerizable material comprising an organic matrix and a fiber compone... | 09/11/2001 |
| 6261496 | Continuous compounding of aqueous injection molding feedstocks A novel process for preparing injection molding feedstock compounds in a continuous manner amenable to high volume manufacturing includes the steps of forming a mixture including metal and/or ceramic powders, a binder and a liquid carrier, supplying the c... | 07/17/2001 |
| 6186761 | Dental injection molding system The invention includes a system and method for making injection molded dental appliance apparatuses having an injector module removably attached to a dental flask, a press and a controlled compression apparatus, wherein the press and compression apparatus... | 02/13/2001 |
| 6126732 | Dental prosthesis A shaped, high-strength dental ceramic prothesis is made by pressing a molding composition comprising about 1-50 wt % glass particles and about 50-99 wt % ceramic particles to form a ceramic frame, veneering the frame and firing the coated frame.... | 10/03/2000 |
| 6106747 | Process for manufacturing prostetic dental reconstructions A method for producing a dental prosthesis to be fitted to a fitting member including the steps of: determining the three-dimensional contours of the fitting member; producing a three-dimensional form of the dental prosthesis; producing a working stump an... | 08/22/2000 |
| 6063314 | Method for accurate replication of shaped articles using sinterable powders Shaped article replicas which are proportionately accurate replicas of a shaped article and which are equal, greater or smaller in size than said shaped article are made by preparing a swellable polymer replica of said shaped article; immersing said swell... | 05/16/2000 |
| 5965171 | Apparatus and process for producing dentures having synthetic resin base An apparatus for producing dentures having a synthetic resin base comprises a flask tank provided with a tank closure which is opened when a flask is brought into and out of the tank and when resin is to be injected into the flask and which is closed when... | 10/12/1999 |
| 5939211 | Method for the manufacture of dental reconstructions and blank for carrying out this method A blank for preparing artificial tooth parts, such as inlays, overlays or partial and complete crowns and bridges comprises a body of laminate material. The body has at least one layer of high abrasive resistance, at least one layer of high breaking stren... | 08/17/1999 |
| 5916498 | Method of manufacturing a dental prosthesis A process for manufacturing a non-metallic dental prosthesis including a ceramic frame and an esthetic ceramic veneer including the steps of: preparing the ceramic frame by press molding a composition comprising from 1 to 50 parts by weight glass particle... | 06/29/1999 |
| 5709823 | Method for producing sonotrodes A dental restoration part is produced from a ceramic material by a method ultrasonic working. The method includes forming a negative mold from a master sonotrode, forming a pre-working sonotrode from the negative mold, and ultrasonically working a workpi... | 01/20/1998 |
| 5554665 | Method and dispenser for making dental products A method of forming dental products, such as dentures, denture relines, dental crowns, dental bridges and dental restorative materials, temporary crown, temporary bridge, provisional crown or provisional bridge, from two polymerizable paste compositions e... | 09/10/1996 |
| 5545875 | Method for heat curing of dental prostheses without the use of dental flasks In the present invention dental prostheses are cured without the use of dental flasks using an electrically heated pressure vessel. The dental prosthesis is cured while in a plaster chamber which is placed in a curing container with ambient water. The app... | 08/13/1996 |
| 5449703 | Method of making shaped dental articles via photoiniferter polymerization of the dental compositions The present invention provides a novel dental composition and a method of making shaped dental articles therefrom via photoiniferter polymerization. The dental composition comprises acrylic photoiniferter block polymer, a monomer charge comprising free ra... | 09/12/1995 |
| 5445770 | Method of manufacturing orthodontic appliance having reinforcing fiber preform An orthodontic appliance such as a bracket is made of a polymeric material with reinforcing fiber structure embedded in the polymeric material. The reinforcing fiber structure includes relatively long filaments that extend about the perimeter of the brack... | 08/29/1995 |
| 5324186 | Apparatus for molding a dental prosthesis A molding flask structure for molding close tolerance articles, such as prosthetic dental devices. The flask structure includes upper and lower flask members that each include cup-recesses adapted to face each other to define therebetween a mold cavity wh... | 06/28/1994 |
| 5302104 | Resin denture base molding apparatus An improved resin denture base molding apparatus for molding denture bases by injecting fused resin R into a denture base plaster mold formed in a flask F, wherein the improvement includes a table 2 provided in a manner capable of elevating up and down al... | 04/12/1994 |
| 5135686 | Method and apparatus for continuous hardening of light-curing resins A method to continuousky harden light-curable resins, by irradiating at least one shaped article made of a light-curable resin by continuously moving the article past a multiplicity of light sources while changing the flux of the irradiated light in multi... | 08/04/1992 |
