Class 264/20 - Shaded layer

Subclass of Class 264 - Plastic and nonmetallic article shaping or treating: processes
Definition: Processes wherein the tooth or portion thereof is formed
No. of patents: 27
Last issue date: 05/15/2012

Number	Title	Issue Date
8178012	Shaded zirconium oxide articles and methods A dental article includes yttria stabilized tetragonal zirconia polycrystalline ceramic, and no more than about 0.15 wt. % of one or more coloring agents of one or more of: Pr, Tb, Cr, Nd, Co, oxides thereof, and combinations thereof, whereby the dental article is p...	05/15/2012
7790073	Dental composites and placement techniques for direct restorations Colorless dental compositions for restoring the enamel layer of a tooth are disclosed. The colorless enamel compositions are combined with pigmented dentin compositions to provide a true color match and natural esthetics. Methods that utilize the compositions in pla...	09/07/2010
7704421	Method for preparing dental restorations The present invention relates to a method for preparing dental restorations from ceramic or polymeric material to achieve color and opacity gradients simulating natural dentition, wherein an ingot of ceramic or polymeric material is entirely or partially forced thro...	04/27/2010
7686989	Method for manufacturing a dental restoration A method for manufacturing a dental restoration, including: determining an external form and dimensions available for a completed restoration; obtaining an image of a natural tooth to be replaced with the restoration or a tooth corresponding therewith, wherein the i...	03/30/2010
7086863	Method for production of an artificial tooth The invention relates to a method for producing an artificial tooth, comprising a base layer substantially determining strength and at least one cover layer substantially determining appearance of a finished artificial tooth, said method comprising: establishing the...	08/08/2006
7006126	Color analyzing apparatus with polarized light source A light analyzer with a first light source configured and disposed for irradiating with a first light an object disposed at an object location. A second light source is configured and disposed for irradiating the object with a second light that is preferably polariz...	02/28/2006
6878333	Barrier rib formation on substrate for plasma display panels and mold therefor A method of producing a substrate (12) for a plasma display panel, which comprises the steps of: contacting a rib precursor composition (32) containing a first photo-setting initiator having a first absorption edge and a first photo-setting component, ...	04/12/2005
6869552	Back casting prefabricated incisal veneers An improved lost wax method for fabricating dental devices, a prefabricated incisal veneer (1) is selected from among a group of said veneers having predetermined shapes, shades, and sizes. Wax is applied (2 and 3) to the incisal veneer to creat...	03/22/2005
6761760	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 a CTE equa...	07/13/2004
6740267	Method of producing ceramic crowns A method of preparing a ceramic artificial crown by applying at least one kind of dental porcelain onto the surface of a ceramic core molded by heating and softening a ceramic material and putting it into a mold with the application of a pressure followed by firing;...	05/25/2004
6379593	Method for manufacturing a multi-colored shaped body for further processing to obtain a dental restoration The present invention relates to a method for producing a multicolored shaped body for further processing to form a dental restoration, and to a device for carrying out the method....	04/30/2002
6375729	Machinable glass-ceramics Micaceous glass-ceramics are useful in the fabrication of single and multi-unit dental restorations including but not limited to orthodontic appliances, bridges, space maintainers, tooth replacement appliances, splints, crowns, partial crowns, dentures, p...	04/23/2002
6033222	Method of fabrication of translucent dental restorations without opacious substructures A series of die spacers of differing shades are used to match or replicate an assortment of tooth stump or dentin tooth shades. Such die spacers correspond to shades of various manufacturers. This allows the dentist to approximate the proper shade of the ...	03/07/2000
5968424	Manufacturing method for artificial tooth A ceramic powder having a uniform particle diameter of 50 μm or smaller is used as a dental ceramic powder to produce a high-precision and compact artificial tooth. The ceramic powder fired assures a non-porous and compact structure of the artificial too...	10/19/1999
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
5298200	Dental refractory model materials A dental refractory model material comprises as powdery components 5 to 20% by weight of a soluble phosphate, 5 to 20% by weight of magnesium oxide and 10 to 50% by weight of at least one selected from the group of alumina, zirconia, fused quartz, mullite...	03/29/1994
5176924	Apparatus for plasma treatment of interior surfaces of hollow plastic objects An apparatus and method are provided for surface treating the inside surfaces of hollow or three dimensional plastic objects. While the invention will be described with respect to plastic objects, it will be understood that other objects having a high die...	01/05/1993
5162130	Light activated coloration of dental restorations A method of effecting the coloration of a restoration to be mounted on a tooth including the steps of forming a mixture of powdered dental porcelain and a photonucleable silicate glass and shaping the mixture into a dental restoration. The dental restorat...	11/10/1992
5125970	Material and method for colorizing dental prostheses A method and agglomerated material for providing special effects in a dental restoration where the agglomerated material is a plurality of powdered particles of colorizing agents bound to form macroscopic shards for direct insertion into a soft, gel-like ...	06/30/1992
5094619	Coloration of dental restorations A method of coloring dental restorations which consists of incorporating within the dental restoration material prior to curing a coloration agent which upon the application of heat or other energy alters the color of the restoration. By applying the ener...	03/10/1992
5030392	Glazing dental constructs A glazing device, and a method for using such device to apply a surface glaze to a dental construct. The device includes glazing material associated with a shrinkable, hollow carrier. The method includes associating glazing material with a hollow carrier ...	07/09/1991
5024790	Glazing dental constructs A method of applying a surface glaze to a dental construct. The method includes associating glazing material with a carrier composed of a highly flexible and removable material, assembling the construct and carrier with the construct positioned within the...	06/18/1991
4970032	Processes for the manufacture of artificial teeth and crowns A method for the manufacture of artificial teeth, either replacement whole teeth or crowns, whereby a tooth is produced by machining from a layered block of synthetic plastics materials, the layers being of predetermined varying color (hue), chroma, value...	11/13/1990
4735752	Method for forming taxidermic model parts A taxidermic specimen and a method of formation thereof is disclosed. A preliminary negative mold (28) is formed by applying an alginate material to the jaw structure of the animal carcass. Fibers (50) are disposed within the depressions (30, 32 and 34) t...	04/05/1988
4264640	Method for preparing a dental prosthesis Two dispersant compositions are disclosed for use in the fabrication of a dental prosthesis, the compositions serving for the dispersion and deposition of an opacifier layer and a porcelain color layer over the opacifier layer. The dispersants are so form...	04/28/1981
4096217	Method of using a particular tristimulus colorimeter in making artificial teeth Method of using a tristimulus colorimeter including a modified dual slope integrator digital voltmeter which measures the red, blue and green light reflected from a sample and displays the same in digital form as optical density units. The colorimeter inc...	06/20/1978

PatentStorm

Quotables

PatentStorm News

Class 264/20 - Shaded layer