Class / Patent application number | Description | Number of patent applications / Date published |
433222100 | Composite | 21 |
20090098513 | Coping material for prosthetic tooth crown with bio gold strip mechanically bonded at the lower brim thereof - A coping material for a prosthetic crown is provided. The coping material according to current application is comprised of two portions which are mechanically bonded each other. The first portion is the main coping portion that is located beneath of the enamel layer of a crown. The first portion is made from, including but not limited to, common metal and/or portion fused gold (PFG). The second is the portion which makes contact with gum tissue. That portion surrounds the brim of the bottom of the coping for 360 degrees. The gum contacting portion is comprised of bio-gold that is mechanically bonded to the main coping portion. Centrifuging of molten bio-gold technology is applied for mechanical bonding of the two portions. Electronic forming technology is also applied for mechanical bonding. | 04-16-2009 |
20090286205 | Prefabricated Dental Crowns - Advanced material is preferably used for the manufacturing of dental crowns which may be used to restore decayed or to protect other compromised tooth structure. The dental crowns are preferably preformed or prefabricated with a strengthener by way of either (1) a metal crown base (for example, a stainless steel crown base) having an advanced material (which may include fillers) applied coating or layer; or (2) an advanced material with a strengthener in the form of a strip and/or fillers. In either of the foregoing, or independently, the advanced material may be formed or applied by flame spray, liquid dispersion, powder coating, compression molding, vacuum forming, injection molding, pressure forming, or thermoforming. | 11-19-2009 |
20090305196 | DENTAL COMPOSITIONS INCLUDING ORGANOGELATORS, PRODUCTS, AND METHODS - A hardenable dental composition that includes a polymerizable component and an organogelator. | 12-10-2009 |
20100035215 | Machinable Porcelain Compositions and Mill Blanks Thereof - A porcelain blank comprising a porcelain composition for dental restorations comprising a leucite crystallite phase and a glass matrix phase, wherein the leucite crystallites possess diameters not exceeding about 10 micron. Preferably, the porcelain composition has a maturing temperature from about 750° C. to about 1050° C. and a coefficient of thermal expansion from about 9×10 | 02-11-2010 |
20100047743 | DENTAL RESTORATIONS USING NANOCRYSTALLINE MATERIALS AND METHODS OF MANUFACTURE - Dental articles are produced using relatively low sintering temperatures to achieve high density dental articles exhibiting strengths equal to and greater than about 700 MPa. Ceramic powders comprised of nanoparticulate crystallites are used to manufacture dental articles. The ceramic powders may include sintering agents, binders and other similar additives to aid in the processing of the ceramic powder into a dental article. The ceramic powders may be processed into dental articles using various methods including, but not limited to, injection molding, gel-casting, slip casting, or electroforming, hand, cad/camming and other various rapid prototyping methods. The ceramic powder may be formed into a suspension, pellet, feedstock material or a pre-sintered blank prior to forming into the dental article. | 02-25-2010 |
20100196858 | SILANOL BASED DENTAL TREATMENT - Etching compositions, curable compositions, packaged products and methods of use for the treatment of bone substrate, i.e., teeth, are described. The etch solutions generally include an aqueous acidic solution with an ethylenically unsaturated monomer and a silane. The methods of the invention provide the ability to modify a bone or bone-like surface so that the curable composition, such as an adhesive resin, can be used in combination with a restorative material. | 08-05-2010 |
20110003266 | HARDENABLE SELF-SUPPORTING STRUCTURES AND METHODS - Compositions, particularly for forming dental products, having a hardenable self-supporting structure with sufficient malleability to be subsequently customized into a second shape and then hardened, and methods. | 01-06-2011 |
20110151411 | DENTAL APPLIANCE, PROCESS FOR PRODUCING A DENTAL APPLIANCE AND USE THEREOF - The invention relates to a process for producing a dental appliance, the process comprising the steps of a) providing a mixture of a liquid, an inorganic binder precursor being able to undergo a sol/gel reaction and a glass or glass ceramic powder, b) casting the mixture into a mould, c) drying the cast mixture in the mould to obtain a machinable dental appliance, d) optionally machining the dental appliance to obtain a dental workpiece, e) optionally removing the dental appliance or dental workpiece from the mould, f) optionally sintering the dental appliance or dental workpiece and to a dental appliance obtainable by such a process. | 06-23-2011 |
20110207087 | PREFORMED MALLEABLE DENTAL ARTICLES AND METHODS - Protected hardenable dental article comprising a hardenable dental article comprising a base and at least one outer surface extending from the base, wherein at least the base and the at least one outer surface of the hardenable dental article comprise a hardenable dental material; and a multi-layer polymeric film in contact with at least a portion of the at least one outer surface; wherein the multi-layer polymeric film comprises at least two dissimilar polymers in separate layers; kits including the protected hardenable dental article; and methods of making hardenable dental articles are disclosed. | 08-25-2011 |
20110236860 | Dental Ceramic Article, Process for Production and Use Thereof - The invention describes a dental article comprising zirconium oxide and at least two different colouring substances A and B, substance A showing a light emission in the range of about 470 nm to about 510 nm and substance B showing a light absorption in the range from about 520 nm to about 750 nm. The invention also relates to different processes of producing the dental article e.g. by a process comprising a casting step, a pressing step, or an infiltration step and to the use of certain compositions containing either substance A or substance B for producing such a dental article. | 09-29-2011 |
20110318714 | IMPLANT MATERIAL AND METHOD FOR MANUFACTURING THE SAME - An implant material includes a base material, and a silicon-containing carbon thin film formed on a surface of the base material. The carbon thin film contains a C—C component in which carbon atoms are bonded, and a SiC component in which carbon and silicon atoms are bonded, and a ratio of the SiC component is 0.06 or higher. | 12-29-2011 |
20120082959 | Polymerizable Compounds Comprising a Polyalicylic Structure Element - Novel polymerizable compounds comprising a polyalicyclic structure element and certain functional groups, mixtures comprising one or a plurality of these compounds and corresponding curable blends and products as well as their respective use as dental material or for the preparation of a dental material are described. A method for preparing these compounds or mixtures and a method for preparing a product, preferably a product suitable for dentistry, are also described. | 04-05-2012 |
20120148988 | Indirect restoration technology - Dental restorations such as crowns, are made from lithium silicate glass ceramic that is heated and pressed onto a metal substrate, the latter being shaped to an impression or scan of the area of the mouth to receive the restoration. The metal substrate is made from an alloy selected to exhibit a coefficient of thermal expansion which is slightly greater than the CTE of the lithium silicate. In a preferred embodiment, the CTE of the lithium silicate glass ceramic is in the range of 11.5 to 12.5 and the alloy is selected to have a CTE of 12 to 13.5. A palladium tin alloy provides that CTE in the preferred embodiment. | 06-14-2012 |
20130017514 | Method of Manufacturing Ceramic Primary Crown and Ceramic Primary Crown Manufactured by the SameAANM Kim; Yong-SuAACI BusanAACO KRAAGP Kim; Yong-Su Busan KRAANM Jeon; Hyun-JunAACI BusanAACO KRAAGP Jeon; Hyun-Jun Busan KRAANM Oh; Kyung SikAACI IncheonAACO KRAAGP Oh; Kyung Sik Incheon KRAANM Kim; Sung KiAACI BusanAACO KRAAGP Kim; Sung Ki Busan KRAANM Kim; Se-HoonAACI Gyeonggi-doAACO KRAAGP Kim; Se-Hoon Gyeonggi-do KRAANM Kim; Joon HyungAACI Gyeonggi-doAACO KRAAGP Kim; Joon Hyung Gyeonggi-do KRAANM Hong; Young PyoAACI Gangwon-doAACO KRAAGP Hong; Young Pyo Gangwon-do KR - A method of manufacturing a ceramic primary crown including mixing a source material including zirconia or alumina that configures a frame of a primary crown, a polymer for reducing viscosity and applying ductility upon injection molding, and a toner for providing the same or similar color as baby teeth, heating the polymer contained in the mixed source material to have ductility, injection molding the heated source material, extracting the polymer to reduce brittleness and increase ductility with respect to the injection-molded matter, removing fat to completely eliminate the polymer element from the injection-molded matter, from which the polymer is partially extracted through the polymer extraction, sintering the fat-removed body, from which the polymer is removed, to improve mechanical properties, and polishing an outer surface of the sintered body to provide gloss, and performing barrel-finishing to remove a burr. | 01-17-2013 |
20130122469 | Indirect Restoration Technology - Dental restorations such as crowns, are made from lithium silicate glass ceramic that is heated and pressed onto a metal substrate, the latter being shaped to an impression or scan of the area of the mouth to receive the restoration. The metal substrate is made from an alloy selected to exhibit a coefficient of thermal expansion which is slightly greater than the CTE of the lithium silicate. In a preferred embodiment, the CTE of the lithium silicate glass ceramic is in the range of 11.5 to 12.5 and the alloy is selected to have a CTE of 12 to 13.5. A palladium tin alloy provides that CTE in the preferred embodiment. | 05-16-2013 |
20130130203 | POLYMER COATED DENTAL ARTICLES AND METHOD OF MAKING THE SAME - Provided are methods of improving the wear resistance and aesthetic properties of dental articles, as well as dental articles having an abrasion resistant polymeric coating thereon. | 05-23-2013 |
20130137064 | COATED DENTAL CROWNS AND METHOD OF MAKING THE SAME - Provided are methods of improving the wear resistance and aesthetic properties of dental articles, as well as dental articles having an abrasion resistant ceramic/polymer hybrid coating thereon. | 05-30-2013 |
20130137065 | Dental Articles Including a Ceramic and Microparticle Coating and Method of Making The Same - Provided are methods of improving the wear resistance and aesthetic properties of dental articles though use of ceramics and microparticles, as well as dental articles having an abrasion resistant microparticle and ceramic coating thereon. | 05-30-2013 |
20130171589 | AESTHETIC AND ABRASION RESISTANT COATED DENTAL ARTICLES AND METHODS OF MAKING THE SAME - Provided are methods of improving the wear resistance and aesthetic properties of dental articles though use of spherical microparticles, as well as dental articles having an abrasion resistant spherical microparticle/polymer coating thereon. | 07-04-2013 |
20130209966 | Integrated Porcelain System for a Dental Prosthesis - An integrated dental porcelain system for making dental prostheses and restorations is provided. The system includes three universal major components: a) opaque porcelain composition; b) pressable dentin ingot; and c) veneering porcelain composition that can be used interchangeably for making restorations. Techniques for making the prostheses and restorations include porcelain fused-to-metal (PFM), press-to-metal (PTM), and either pressed and/or machined all-ceramic methods. The system uses both a hand-layering of veneering porcelain (PFM technique) and a hot-pressing process (PTM and all-ceramic technique) to fabricate the prostheses and restorations. | 08-15-2013 |
20140170600 | METHODS AND SYSTEMS FOR MAKING COLORED DENTAL PARTS - The invention provides a method for forming a colored dental part comprising forming an oxide layer on a metal base material, and submerging the metal base material in an electrolyte solution to bring to completion the formation of the oxide layer and forming the colored dental part. | 06-19-2014 |