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| Number | Title | Issue Date |
| 7988448 | Aesthetic ceramic veneered restoration The present invention relates to an aesthetic dental restoration having a layered structure, which dental restoration has the appearance of a natural tooth. In addition, the present invention relates to a method for preparing such dental restorations. Particularly, ... | 08/02/2011 |
| 7871268 | Method and apparatus for selecting non-opacious dental materials A method and system for selecting dental constructions using translucent materials that match an individual's preexisting tooth appearance uses a set of reference templates. The reference templates are constructed from layers of various translucent dental materials ... | 01/18/2011 |
| 7326052 | Dental shade guide having tag with mark indication part To photograph teeth and dental shade guides including marks indicating color tones of a color samples together in large size and particularly, without making the photographing distance far from the teeth, irrespective of the color samples to plate-shaped handle part... | 02/05/2008 |
| 7301636 | Miniaturized system and method for measuring optical characteristics A miniaturized spectrometer/spectrophotometer system and methods are disclosed. A probe tip including one or more light sources and a plurality of light receivers is provided. A first spectrometer system receives light from a first set of the plurality of light rece... | 11/27/2007 |
| 7298483 | Miniaturized system and method for measuring optical characteristics A miniaturized spectrometer/spectrophotometer system and methods are disclosed. A probe tip including one or more light sources and a plurality of light receivers is provided. A first spectrometer system receives light from a first set of the plurality of light rece... | 11/20/2007 |
| 7261558 | Electromagnetic radiation emitting toothbrush and dentifrice system A cleaning and whitening system for teeth having an electromagnetic radiation emitting toothbrush and a dentifrice with a photosensitive agent is disclosed. The toothbrush has a cleaning surface, such as bristles. The toothbrush is also adapted to direct electromagn... | 08/28/2007 |
| 7244122 | Methods for determining optical characteristics of dental objects Color measuring systems and methods such as for determining the color or other characteristics of teeth are disclosed. Perimeter receiver fiber optics are spaced apart from a central source fiber optic and receive light reflected from the surface of the object/tooth... | 07/17/2007 |
| 7240839 | Color measurement apparatus operable as a pointing device, a computer display measurement device and a printer output measurement device A color measurement apparatus is adapted as an attachment for a personal computing system. An interface integral to the color measurement apparatus couples the color measurement apparatus to the personal computing system. A computer pointing device integral to the c... | 07/10/2007 |
| 7229286 | Composite 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 |
| 7201578 | Method for whitening teeth A method for whitening teeth which utilizes laser light to activate bleaching agents applied to the teeth. The mouth is first prepared so that the soft tissues of the gums are protected and only the teeth are exposed. The teeth are cleaned to remove any materials wh... | 04/10/2007 |
| 7189076 | Denture 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 |
| 7137818 | Dental 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 |
| 7139068 | Methods for determing optical characteristics including subsurface characteristics of dental objects using first and second light source-receiver pairs and first and second critical heights Optical characteristic measuring systems and methods such as for determining the color or other optical characteristics of teeth are disclosed. Perimeter receiver fiber optics are spaced apart from a source fiber optic and receive light from the surface of the objec... | 11/21/2006 |
| 7118374 | Enhanced tooth shade guide The invention relates to an enhanced electronic shade guide that includes addtitional hue-chroma information between the shades of existing shade guides and value information for the measured tooth. The shade guide provides a recipe for constructing a restoration or... | 10/10/2006 |
| 7113283 | Apparatus and method for measuring color Color measuring systems and methods are disclosed. Perimeter receiver fiber optics are spaced apart from a central source fiber optic and receive light reflected from the surface of the object being measured. Light from the perimeter fiber optics pass to a variety o... | 09/26/2006 |
| 7110096 | Method for determing optical characteristics through a protective barrier Color/optical characteristics measuring systems and methods are disclosed. Perimeter receiver fiber optics/elements are spaced apart from a central source fiber optic/element and received light reflected from the surface of the object is measured. Light from the per... | 09/19/2006 |
| 7097450 | Methods for determining color or shade information of a dental object using an image generation device without operator identification of the position of a reference implement in the field of view of the image generation device Color measuring systems and methods such as for determining the color or other characteristics of teeth are disclosed. Perimeter receiver fiber optics are spaced apart from a central source fiber optic and receive light reflected from the surface of the object/tooth... | 08/29/2006 |
| 7069186 | Method for remotely controlling a spectral measurement device utilizing predicted service life or a remotely provided software upgrade including color reference or shade guide data Optical characteristic measuring systems and methods such as for determining the color or other optical characteristics of teeth are disclosed. Perimeter receiver fiber optics preferably are spaced apart from a source fiber optic and receive light from the surface o... | 06/27/2006 |
| 7029279 | Prosthodontia system A processor implemented prosthodontia system employs digital imaging of a restoration site and surrounding areas of an oral cavity and digital sampling of colorimetric values of tooth surfaces. The processor selects digital image data representative of a tooth surfa... | 04/18/2006 |
| 6997712 | Tooth 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 |
| 6994545 | Multicolor tooth used as a layering model in preparing veneers Model tooth for purposes of orientation in dental technical procedures, in which the natural, ordinary layering of neck material, dentin, and enamel is realized using three highly contrasting, translucent materials of different colors that can be distinguished from ... | 02/07/2006 |
| 6971874 | Dental restorative formula selector and methods of use A dental restorative formula selector including a formula matrix is disclosed. The formula matrix includes tooth shade markings and two or more dental restorative formulas correlated to each tooth shade marking. Each dental restorative formula includes at least one ... | 12/06/2005 |
| 6958810 | Methods for characterizing gems or precious stones using a probe having a plurality of light receivers Optical characteristic measuring systems and methods such as for determining the color or other optical characteristics of teeth are disclosed. Perimeter receiver fiber optics are spaced apart from a source fiber optic and receive light from the surface of the objec... | 10/25/2005 |
| 6950189 | Apparatus and method for measuring optical characteristics of an object Color/optical characteristics measuring systems and methods are disclosed. Perimeter receiver fiber optics/elements are spaced apart from a central source fiber optic/element and received light reflected from the surface of the object is measured. Light from the per... | 09/27/2005 |
| 6925205 | Methods, systems and computer program products for color matching A method and system of image processing on a computer, and a computer program product adapted for image processing, wherein a digital image of an article is imported into a computer, the digital image is color-corrected, an internal palette is generated from a datab... | 08/02/2005 |
| 6915955 | Apparatus for determining multi-bit data via light received by a light receiver and coupled to spectral sensors that measure light in spectral bands Optical characteristic measuring systems and methods such as for determining the color or other optical characteristics of teeth are disclosed. Perimeter receiver fiber optics preferably are spaced apart from a source fiber optic and receive light from the surface o... | 07/12/2005 |
| 6846182 | Dental bleaching composition and method A dental bleaching composition having enhanced effectiveness and reduced sensitivity, its method of use, and a kit containing the ingredients for making the composition. The dental bleaching composition comprises a bleaching agent, an inert gelling agent, a pH modif... | 01/25/2005 |
| 6793489 | Automated tooth shade analysis and matching system A method of making a patient's dental prosthesis (e.g., a prosthesis tooth, crown, veneer, or bridge) by acquiring an image of the patient's teeth that contain black and white normalization references. These references are black and white porcelain, for example, tha... | 09/21/2004 |
| 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 |
| 6743014 | Shade determination apparatus and method for specifying and determining colors for teeth and dental restorations In a shade determination apparatus for teeth and dental restorations, a set of reference templates for comparing to a patient's tooth is provided. Based on the coloration of the reference template, the shade of a tooth or of a restoration to be employed can be deter... | 06/01/2004 |
| 6570654 | Apparatus and method for measuring optical characteristics of an object Color/optical characteristics measuring systems and methods are disclosed. Perimeter receiver fiber optics/elements are spaced apart from a central source fiber optic/element and received light reflected from the surface of the object is measured. Light f... | 05/27/2003 |
| 6499998 | Shade determination apparatus and method for specifying and determining colors for teeth and dental restorations In a shade determination apparatus for teeth and dental restorations, a set of reference templates for comparing to a patient's tooth is provided, whereby based on the coloration of the reference template the shade of a tooth or of a restoration to be emp... | 12/31/2002 |
| 6417917 | Apparatus and method for measuring optical characteristics of an object Optical characteristic measuring systems and methods such as for determining the color or other optical characteristics of teeth are disclosed. Perimeter receiver fiber optics are spaced apart from a source fiber optic and receive light from the surface o... | 07/09/2002 |
| 6381017 | Apparatus and method for measuring optical characteristics of an object Color/optical characteristics measuring systems and methods are disclosed. Perimeter receiver fiber optics/elements are spaced apart from a central source fiber optic/element and received light reflected from the surface of the object is measured. Light f... | 04/30/2002 |
| 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 |
| 6328567 | Method, apparatus and system for automated tooth shade analysis and matching Methods, apparatuses and systems for tooth shade analysis and matching are disclosed. A method embodiment according to the invention includes acquiring at least one image, the image including one or more teeth of a patient and normalization references, no... | 12/11/2001 |
| 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 |
| 6030209 | Method for accurately preparing the color of a dental restoration The present invention relates to a method for preparing the color of a dental restoration using a spectrophotometer and a unique color system for porcelain dental restorations which enables a dentist or technician to manipulate the various color component... | 02/29/2000 |
| 6007332 | Tooth color matching system A method and system for determining the color characteristic of a tooth, particularly in a mouth in which restorative dentistry is contemplated, employs the photographic imaging of the tooth of the patient, and the photographing of visually selected color... | 12/28/1999 |
| 6008905 | Method and apparatus for determining the appearance of an object A method for determining the appearance of an object to be replicated and an apparatus therefor are described herein. The method consists in providing a controlled illumination to illuminate a surface of the object, measuring the object with a CCD camera ... | 12/28/1999 |
