| Patent Number |
Title Of Patent |
Date Issued |
| RE39162 |
Illumination assembly for dental and medical applications |
July 11, 2006 |
| A small, lightweight, high intensity illumination assembly for use in dental and medical applications. The illumination assembly includes attachment means for removable attachment to headgear such as eyeglasses, face shields, or headbands, and lenses, loupes, and binoculars associated |
| 7351753 |
Two-part self-adhering dental compositions |
April 1, 2008 |
| A method of using a shelf-stable two-part self-adhering dental composition that comprises (a) at least one acidic compound containing at least one acidic moiety selected from the group consisting of ##STR00001## where R is an alkyl or aryl group; (b) at least one polymerizable monome |
| 7214726 |
Methods of using two-part self-adhering dental compositions |
May 8, 2007 |
| A method for providing a dental composition comprising providing a paste/paste two-part self-adhering dental composition comprising (a) at least one acidic compound containing at least one acidic moiety selected from the group consisting of ##STR00001## where R is an alkyl or aryl g |
| 7210930 |
Apparatus and method for curing materials with radiation |
May 1, 2007 |
| A hand held dental instrument for curing light-curable compounds comprises a housing and an array of solid state, light emitting junctions or dies for generating light having wavelengths within a narrow band of wavelengths (e.g. 400 500 nm). Preferably, a peak wavelength of 470 nm is |
| 7182597 |
Curing light instrument |
February 27, 2007 |
| The present invention provides a handheld portable, efficient instrument for curing light-curable compounds. The instrument comprises a housing, a light emitted structure supported in the housing, and a reflector configured to interface with the light emitting structure such that light |
| 7173097 |
Metathesis-curable composition with a reaction control agent |
February 6, 2007 |
| A composition curable by a metathesis reaction upon mixing its components and comprising an olefin-containing substrate, a metathesis catalyst, and a reaction control agent for slowing the progress of the metathesis reaction. The metathesis catalyst is a ruthenium or osmium carbene c |
| 7166651 |
Two-part self-adhering dental compositions |
January 23, 2007 |
| A shelf-stable two-part self-adhering dental composition and method. The composition comprises (a) at least one acidic compound containing at least one acidic moiety selected from the group consisting of ##STR00001## where R is an alkyl or aryl group; (b) at least one polymeriza |
| 7090491 |
Single-dose dental adhesive delivery system and method |
August 15, 2006 |
| A dispenser has first and second reservoirs configured to contain first and second components of a single dose of a multi-component dental adhesive. The reservoirs are sealed by closures which are slidably received in the reservoirs. When the closures are moved from first positions t |
| 7080885 |
Task chair |
July 25, 2006 |
| A task chair equipped with a mechanism for independently adjusting the height and width of support arms by the manual operation of a single adjustment knob. Each of the support arms includes a first arm portion and a second arm portion that are pivotally coupled by corresponding pivo |
| 7072124 |
Light-weight high resolution viewer |
July 4, 2006 |
| A magnification loupe carried by spectacles has a Galilean lens system comprising a single-element eyepiece lens and a two-element objective lens. The loupes may be mounted to eyeglass frames by a flip-up mounting member, or they may be mounted through the eyeglass lenses of the spec |
| 7066733 |
Apparatus and method for curing materials with light radiation |
June 27, 2006 |
| An instrument and method for curing light-curable compounds in the mouth of a patient, the instrument comprising a housing and a plurality of solid state, light-emitting elements on a substrate supported by the housing. The elements form a collective array on the substrate operable f |
| 7060770 |
Metathesis-curable composition with a reaction control agent |
June 13, 2006 |
| A composition curable by a metathesis reaction upon mixing its components and comprising an olefin-containing substrate, a metathesis catalyst, and a reaction control agent for slowing the progress of the metathesis reaction. The metathesis catalyst is a ruthenium or osmium curbene c |
| 7060769 |
Method of curing composition by metathesis reaction using reaction control agent |
June 13, 2006 |
| A method of controlled curing by a metathesis reaction upon mixing its components, the method including the step of mixing an olefin-containing substrate, a metathesis catalyst, and a reaction control agent. The metathesis catalyst is a ruthenium or osmium carbene complex catalyst, s |
| 7001590 |
Metathesis-curable composition |
February 21, 2006 |
| One-part and two-part compositions curable by a metathesis reaction comprising a resin containing a substrate with at least two cycloolefin groups per molecule curable by a metathesis reaction with a metathesis catalyst. These compositions may optionally contain a reaction control ag |
| 6924325 |
Silver-containing dental composition |
August 2, 2005 |
| A dental composition comprising a silver-containing ceramic having antimicrobial and color stabilizing properties and methods for using the composition. The composition comprises a silver-containing glass powder or a silver-containing zeolite powder, at least one monomer having at least |
| 6918762 |
Light-generating instrument |
July 19, 2005 |
| The invention relates to light-generating instruments, which are small, compact and convenient to use. More particularly, the light-generating instruments are generally powered by air, electricity, or light provided by the operating unit, such as the dental chair. Air, electricity, and |
| 6890968 |
Prepolymerized filler in dental restorative composite |
May 10, 2005 |
| A dental composite having high filler loading and low shrinkage thereby providing good strength and marginal integrity. Through the use of prepolymerized filler particles in combination with a structural filler and a nanofiller, the composite exhibits very low shrinkage and is useful |
| 6861386 |
Accelerator for metathesis catalyst |
March 1, 2005 |
| A polymerizable composition including a resin system comprising oligomers or polymers functionalized with groups curable by ring opening metathesis polymerization, a metathesis catalyst, and a catalyst accelerator. In examples of the present invention, the composition includes a rutheniu |
| 6844409 |
Composition curable by metathesis reaction |
January 18, 2005 |
| A composition curable by a metathesis reaction and comprising an olefin-containing resin system and metathesis catalyst. The resin system comprises siloxane-based oligomers or polymers end-capped and/or tethered with olefin functional groups that are capable of undergoing a metathesis |
| 6843652 |
Single dose dental impression material delivery system and method |
January 18, 2005 |
| A delivery system for supplying a single dose quantity of dental impression material. The system includes a dispenser having first and second chambers sized to contain first and second components of the single dose of dental impression material. The chambers are sealed by a closure that |
| 6837712 |
Dental restorative compositions |
January 4, 2005 |
| A composition and a method of use as a dental restorative. A series of highly alkoxylated tri-functional monomers are used as a low viscosity monomer in a photo- or self-curable dental composition that resulted in low polymerization shrinkage. The mechanical strength of the restorative |
| 6799847 |
Sliding bridge eyeglass frame |
October 5, 2004 |
| A sliding bridge eyeglass frame provides salespersons and customers the ability to insure that a proper interpupillary distance between telescope oculars is achieved during a fitting session. The demonstration frame device of the present invention includes first and second bridge portion |
| 6726005 |
Dental capsule |
April 27, 2004 |
| A storage and mixing capsule 10 for separately storing a pair of ingredients therein and providing a structure for efficiently and reliably mixing the ingredients to form an amalgam. The capsule has two components: a first receptacle 12 and a second receptacle 14. The first receptacle 12 |
| 6704142 |
Magnification viewer |
March 9, 2004 |
| A housing for a magnification loupe is provided having a body portion for an eyepiece lens and a nose portion for an objective lens. The body portion for the eyepiece lens includes outer circumferential threads over which the objective nose portion fits. The objective nose portion includ |
| 6692251 |
Apparatus and method for curing materials with light radiation |
February 17, 2004 |
| An instrument and method for curing light-curable compounds in the mouth of a patient, the instrument comprising a housing and a plurality of solid state, light-emitting elements on a substrate supported by the housing. The elements form a collective array on the substrate operable for |
| 6667832 |
Loupe hinge for magnification viewer |
December 23, 2003 |
| A magnification viewer includes magnification loupes, which may be attached to the bridge of a pair of spectacles by a hinge/bridge mount. A main hinge tab is pivotally connected to mount, whereby the magnification loupes may be raised and lowered from the field of vision in front of the |
| 6649146 |
Dental impression material utilizing ruthenium metathesis catalyst |
November 18, 2003 |
| A composition for use as a dental impression material including a polymerizable resin consisting of oligomers or polymers functionalized with groups curable by ring opening metathesis polymerization. These oligomers or polymers are end-capped and/or tethered with said functional grou |
| 6593395 |
Dental composition containing discrete nanoparticles |
July 15, 2003 |
| The present invention provides a dental composite which has the high strength required for load-bearing restorations, yet maintains a glossy appearance, even after substantial wear. Through the use of particles having a mean particle size between about 0.05 .mu.m and about 0.50 .mu.m, |
| 6472454 |
Endodontic dental compositions |
October 29, 2002 |
| A two part composition for sealing and/or filling root canals. One or more elastomeric (meth)acrylate oligomers are mixed with one or more diluent comonomers, one or more radiopaque fillers and one or more polymerization initiator systems. One or more antimicrobial agents may also be inc |
| 6455029 |
Dental impression material utilizing ruthenium catalyst |
September 24, 2002 |
| A composition for use as a dental impression material including a polymerizable telechelic oligomer or polymer curable by ring-opening metathesis polymerization, a filler system, and a ruthenium carbene complex catalyst, whereby the catalyst initiates ring-opening metathesis polymeri |
| 6439380 |
Capsule for use in preparing a dental amalgam |
August 27, 2002 |
| In one aspect of the invention, a dental amalgam capsule includes a body, a cap, a dental amalgam alloy, and mercury. In further detail, the body has a hollow interior with an open first end which includes an opening surrounded by an end wall. The cap has a hollow interior with an open |
| 6395803 |
Dental restorative composite |
May 28, 2002 |
| The present invention provides a resin-based dental restorative that exhibits high condensability, low volumetric shrinkage and low shrinkage stress. To this end, one or more of a rheological modifier, dispersant and fluorocopolymer are mixed with a methacrylate resin and a fine mineral |
| 6384106 |
Dental restorative composite |
May 7, 2002 |
| The present invention provides a resin-based dental restorative that exhibits high condensability, low volumetric shrinkage and low shrinkage stress. To this end, one or more of a rheological modifier, dispersant and fluorocopolymer are mixed with a methacrylate resin and a fine mineral |
| 6360886 |
Capsule for use in preparing a dental amalgam |
March 26, 2002 |
| In one aspect of the invention, a dental amalgam capsule includes a body, a cap, a dental amalgam alloy, and mercury. In further detail, the body has a hollow interior with an open first end which includes an opening surrounded by an end wall. The cap has a hollow interior with an open |
| 6359090 |
Polymerizable dispersant |
March 19, 2002 |
| A polymerizable monophosphate ester dispersant, a highly-filled nonaqueous suspension containing the polymerizable monophosphate ester dispersant, and a method for forming cured articles by copolymerization of the resin matrix and dispersant in the suspension. Inclusion of the dispersant |
| 6353041 |
Dental compositions |
March 5, 2002 |
| A two part composition for sealing and/or filling root canals. One or more elastomeric (meth)acrylate oligomers are mixed with one or more diluent comonomers, one or more radiopaque fillers and one or more polymerization initiator systems. One or more antimicrobial agents may also be inc |
| 6322361 |
Disposable dental syringe tip |
November 27, 2001 |
| A dental syringe tip for use with a hand-piece of an air-water syringe to deliver air and water to a mouth of patient. The syringe has air and water conduits for delivering air and water to a discharge end of the hand-piece. The dental syringe tip includes a single unitary tube relea |
| 6300390 |
Dental restorative composite |
October 9, 2001 |
| The present invention provides a resin-based dental restorative that exhibits low volumetric shrinkage, high filler loading and the high strength required for load bearing restorations, yet maintains a glossy appearance, even after substantial wear. To this end, a dispersant is mixed |
| 6232367 |
Opalescent fillers for dental restorative composites |
May 15, 2001 |
| There is provided a resin-containing dental composite including a dispersed phase, reinforcing, translucent filler having about 25-80% by volume of the filler particles in the particle size range from about 0.2 .mu.m to about 0.6 .mu.m whereby the composite has a self-opalescing quality. |
| 6201038 |
Hydrophilically modified curable silicone impression material |
March 13, 2001 |
| The present invention provides hydrophilically modified curable silicone dental impression materials comprising an addition curable silicone prepolymer composition and a polymerizable hydrophilic modifier. The addition curable silicone prepolymer in the composition of the present inv |
| 6200134 |
Apparatus and method for curing materials with radiation |
March 13, 2001 |
| A hand held dental instrument for curing light-curable compounds comprises a housing and an array of solid state, light emitting junctions or dies for generating light having wavelengths within a narrow band of wavelengths (e.g. 400-500 nm). Preferably, a peak wavelength of 470 nm is |
| 6149501 |
Superelastic endodontic instrument, method of manufacture, and apparatus therefor |
November 21, 2000 |
| A superelastic endodontic instrument, such as a file, is formed by grinding a superelastic wire to form a file preform or blank, and rotating a first end of the blank while preventing rotation of a second end of the blank. The file blank is maintained in the austenite phase at least unti |
| 6133339 |
Dental cement for a temporary dental prosthesis or appliance and method of use |
October 17, 2000 |
| The invention describes a transparent, elastomeric dental cement composition suitable for temporary or provisional restorations that comprises: (a) at least one multifunctional oligomer or prepolymer as a binder; (b) at least one finely divided filler; and (c) at least one initiation |
| 6127451 |
Dental restorative compositions |
October 3, 2000 |
| Dental restorative compositions of the composite resin/glass ionomer hybrid type and resins used in the compositions. The compositions contain an aromatic-moiety-containing polymerizable resin, a finely divided ion-leachable fluoroaluminosilicate glass filler, a polymerization initia |
| 6127450 |
Dental restorative composite |
October 3, 2000 |
| The present invention provides a resin-based dental restorative that exhibits high condensability, low volumetric shrinkage and low shrinkage stress. To this end, one or more of a rheological modifier, dispersant and fluorocopolymer are mixed with a methacrylate resin and a fine mineral |
| 6121344 |
Optimum particle sized hybrid composite |
September 19, 2000 |
| The present invention provides a dental composite which has the high strength required for load bearing restorations, yet maintains a glossy appearance, even after substantial wear. Through the use of particles having a mean particle size between about 0.05 .mu.m and about 0.50 .mu.m, |
| 6098906 |
Vibratory mill and method of use for low contamination grinding |
August 8, 2000 |
| The present invention provides a vibratory mill for grinding dental filler having a grinding chamber, preferably coated with an abrasion resistant polymer, the grinding chamber being charged with glass beads having a diameter in the range of about 0.1 mm to about 10.00 mm, and a refracti |
| 6020395 |
Homogeneous microfilled dental composite material and method of preparation |
February 1, 2000 |
| A homogeneous microfilled dental composite material comprised of a mixture of polymerizable monomers and an inorganic filler, wherein said filler is comprised of silane treated fused silica aggregates having a size ranging from submicron to about 160 .mu.m. The aggregates are comprised o |
| 6010085 |
Agitator mill and method of use for low contamination grinding |
January 4, 2000 |
| The present invention provides a mill having an agitator and grinding chamber which is coated with a non-pigmented, abrasion resistant polymer and a method of using this mill to provide substantially pure ground particles. The polymer coating is typically a thermosetting polymer such |
| 5979805 |
Vibratory mill and method of use for low contamination grinding |
November 9, 1999 |
| The present invention provides a vibratory mill having a grinding chamber, preferably coated with an abrasion resistant polymer, the grinding chamber being charged with glass beads having a diameter in the range of about 0.1 mm to about 10.00 mm. There is further provided a method of usi |
