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Class 433/212.1 - Nonmetallic composite


Subclass of Class 433 - Dentistry
Definition: Subject matter wherein the artificial tooth comprises two
No. of patents: 153
Last issue date: 05/13/2008


1        
NumberTitleIssue Date
7371702Translucent and radio-opaque glass ceramics
Radio-opaque glass ceramics are described which have high chemical durability and adjustable translucency, brightness and coefficient of thermal expansion. ...
05/13/2008
7363239Arrangement for producing complete or partial dental products
An arrangement for producing at least a part of a dental product including an interface configured to receive and transmit ordering and manufacturing data from a plurality of users of different dental treatment systems. Ordering, manufacturing, and quality operating...
04/22/2008
7323160Method of treating a patient's teeth using fluoride releasing glass composition
A method of treating sensitive teeth includes (1) attaching a fluoride releasing glass composition to a person's tooth, and (2) allowing fluoride to be slowly released over time in order to reduce chronic and/or acute tooth sensitivity. A preferred glass composition...
01/29/2008
7279238Pressable glass-ceramics with textured microstructure
A pressable dental ceramic comprising a mixture of glass and glass-ceramic frits. A refractory filler is also combined with the frits. The dental ceramic contains an amount of leucite less than about 35 percent by weight. Other additives may be included such as pigm...
10/09/2007
7255562Dental mill blanks
A dental mill blank comprising a resin and a filler, wherein the blank is fabricated such that it passes a Thermal Shock Test. The mill blank is substantially free of cracks and discontinuities. Further, the blank may have superior cuttability and hardness. ...
08/14/2007
7245984Horizontally structured manufacturing process modeling: exterior linked representational embodiment
A method of horizontally structured manufacturing process modeling for large process models comprising: selecting a blank for machining into an actual part; and establishing a coordinate system. The method also includes: creating a master process model in a first fi...
07/17/2007
7238203Bioactive spinal implants and method of manufacture thereof
A bioactive spinal implant used in cervical fusion, Anterior Lumbar Interbody Fusion (ALIF), Posterior Lumbar Interbody Fusion (PLIF), and Transforaminal Interbody Fusion (TLIF), having properties and geometries that enhance bone contact, stability, and fusion betwe...
07/03/2007
7238122Ormocer composites for golf ball components
A golf ball comprising a core; a cover layer; and a barrier layer disposed between the core and the cover layer, the barrier layer being formed from a composition comprising an organically-modified ceramic material (also referred to as ormocers, ceramers, ormosils, ...
07/03/2007
7229286Composite veneered cast glass-ceramic dental construct
A dental construct according to the present invention includes a glass-ceramic coping having a resin composite material in the form of a veneer bonded or otherwise affixed to at least a portion of the coping. A method according to the invention of preparing the dent...
06/12/2007
7210934Dental 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
7189076Denture and process for manufacturing artificial teeth for dentures
A method of making an artificial tooth for a denture and the tooth so made, the method including making a form tooth of a plastic tooth or an existing denture tooth, using the form tooth to make a mold form, placing a thin layer (1 mm) of polycarbonate incisal mater...
03/13/2007
7183232Translucent and radio-opaque ceramics
Radio-opaque glass ceramics are described which have high chemical durability and adjustable translucency, brightness and coefficient of thermal expansion. ...
02/27/2007
7140882Method of producing low molecular weight chitin/chitosan and method of producing an osteoconduction substance
By irradiating 60Co γ ray to chitin/chitosan, chitin/chitosan having high molecular weight is separated or decomposed into low molecular weight chitin/chitosan. A method of producing an osteoconduction substance comprises the steps of irradiating 60...
11/28/2006
7141616Radically curable urethane prepolymers and their use in dental materials
The invention relates to urethane prepolymers, obtainable by reaction of: (A) 15 to 85 wt.-% of one or more α,ω-terminated poly(meth)acrylate diols, (B) 0 to 30 wt.-% of one or more radically curable, polyhydroxy...
11/28/2006
7137818Dental molding, in particular an artificial tooth
A dental molding, in particular an artificial tooth, having an outer incisal layer and a dentin layer beneath that, characterized in that a layer of fluorescent material is provided between the dentin layer and the incisal layer. A method of producing the dental mol...
11/21/2006
7110849Horizontally-structured CAD/CAM modeling for virtual fixture and tooling processes
Disclosed herein is a method of horizontally structured CAD/CAM modeling and manufacturing process for fixtures and tooling comprising: selecting a contact area geometry; generating a tooling model corresponding to the contact area geometry; virtual machining the to...
09/19/2006
7108509Device for pushing away a dental element, and method for filling dental elements
Device for pushing away an enclosure arranged around a dental element. When filling dental elements, it is important that adjacent dental elements should come into contact with one another at a defined location. To this end, the invention proposes a tool for pushing...
09/19/2006
7099804Automated horizontally structured manufacturing process design modeling
Disclosed is a method of horizontally structured automated CAD/CAM manufacturing process, comprising: selecting a blank for machining into an actual part; establishing a coordinate system; creating a master process model comprising: virtual blank corresponding to th...
08/29/2006
7091258Filler on the basis of particulate composite
Particulate composite material with an average particle size of 20 to 50 μm and a maximum content of particles with a size of
08/15/2006
7091142Glass-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
7079908Horizontally-structured modeling for analysis
A method of horizontally structured CAD/CAM/CAE modeling for analysis comprising: establishing a horizontally structured model of an object in a CAD/CAM/CAE modeling system; creating an analysis model from the horizontally structured model; and performing analysis e...
07/18/2006
7037965Golf balls comprising glass ionomers, ormocers, or other hybrid organic/inorganic compositions
A golf ball comprising a core and a cover layer, wherein at least one of the core or cover layer comprises a hybrid material that contains fatty acid-modified glass ionomers, an ormocer or other inorganic-organic materials. ...
05/02/2006
7024272Virtual design, inspect and grind optimization process
A method for virtual machining and inspection of a three-dimensional virtual workpiece representative of an actual workpiece comprising: creating a three-dimensional tool model; defining a tool path through the virtual workpiece; creating a plurality of two-dimensio...
04/04/2006
6997712Tooth 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
6950719Horizontally structured manufacturing process modeling: across file feature operability
A method of manipulating manufacturing features in horizontally structured manufacturing process models for large parts, comprising: selecting a manufacturing feature from a plurality of manufacturing features; wherein the horizontally structured manufacturing proce...
09/27/2005
6923649Artificial 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
6846181Prefabricated 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
6818573Method for molding dental restorations and related apparatus
The present invention is concerned with a process for the formation of dental restorations from glass-ceramic materials and the resulting dental restorations. A dental restoration is formed by pressing a lithium discilicate glass ceramic where the concentration of l...
11/16/2004
6802894Lithium 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
6761760Dental 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
6713421Blank comprised of a zirconium oxide ceramic with an oxide additive and the use thereof
The invention relates to blanks comprising zirconium oxide-based ceramic with an addition of 0.1 to 0.50 wt.-% of at least one of the oxides of the elements aluminium, gallium, germanium, indium and their use. ...
03/30/2004
6648645Method for manufacturing dental restorations
A ceramic tape is provided in its green state so that it is malleable and formable to a mold for forming a dental restoration, but will not break or crack as it is applied to the mold. Pressure may be applied to further form or adapt the ceramic tape to t...
11/18/2003
6638069Shaping 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
6620747Low temperature-sintering apatite glass ceramic
A low-temperature-sintering apatite glass ceramic is described which is characterized by a high chemical stability, a low coefficient of expansion as well as high translucency and which is particularly suitable on its own or together with glasses or other...
09/16/2003
6599125Prefabricated components for dental appliances
Ready-to-use preshaped, prefabricated cured components and hybrid 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 compos...
07/29/2003
6554615Porcelain compositions for low expansion all-porcelain cores and alloys
A dental porcelain composition comprises an amorphous glass phase with a maturing temperature less than about 850° C., wherein the amorphous glass phase, in one embodiment, comprises: Component Amount (wt. %) ...
04/29/2003
6517623Lithium disilicate glass ceramics
This invention is directed to lithium disilicate (Li2 Si2 O5) based glass-ceramics comprising silica, lithium oxide, alumina, potassium oxide and phosphorus pentoxide. The glass-ceramics are useful in the fabrication of si...
02/11/2003
6485849Method for molding dental restorations and related apparatus
The present invention is concerned with a process for the formation of dental restorations from glass-ceramic materials and the resulting dental restorations. A dental restoration is prepared by placing a glass-ceramic material in a heat-pressure deformab...
11/26/2002
6455451Pressable lithium disilicate glass ceramics
This invention is directed to lithium disilicate (Li2 Si2 O5) based glass-ceramics comprising silica, lithium oxide, alumina, potassium oxide and phosphorus pentoxide. The glass-ceramics are useful in the fabrication of si...
09/24/2002
6450813Repair porcelain product, composition and method
The invention provides a dental porcelain product, comprising a core layer of core material and a repair layer of repair material. The core layer has a higher melting temperature than the repair layer. The core material comprising a portion of crystalline...
09/17/2002
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