By Named Composition Patents (Class 433/228.1)
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Publication number: 20140193777Abstract: The present application provides dental fillers, and methods of making and using dental fillers that include a treated surface that includes phosphorus and a divalent cation. Dental compositions including such dental fillers can be useful for delivering ions to the oral environment.Type: ApplicationFiled: March 13, 2014Publication date: July 10, 2014Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: Richard P. Rusin, Sumita B. Mitra, Kevin M. Cummings
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Patent number: 8765836Abstract: A dental appliance comprising a hard, shaped body having at least one portion comprising a polymerized blend of: From 0% to about 50% of an uncrosslinked polymer capable of dissolving in component; From about 0% to 50% of a monofunctional polymerizable monomer; From about 0% to 40% of a highly crosslinked polymer in the form of ground particles having average diameters up to about 500 microns; From about 0% to 50% of a crosslinked polymer in the form of discrete particles having average diameters up to about 500 microns and being easily swellable by said monomer; and From about 5% to about 35% of a di- or polyfunctional crosslinking agent.Type: GrantFiled: January 26, 2010Date of Patent: July 1, 2014Assignee: DENTSPLY International Inc.Inventor: Benjamin J. Sun
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Publication number: 20140162217Abstract: A substance that sets in a relatively short time for use in general dentistry and in endodontics to replace natural tooth material, the substance comprising untreated mineral trioxide aggregate and milled mineral trioxide aggregate, or comprising untreated mineral trioxide aggregate, milled mineral trioxide aggregate and water. A method of making a substance that sets in a relatively short time for use in general dentistry and in endodontics to replace natural tooth material, the method comprising milling by high shear and impact impingement of particles using high pressure homogenization.Type: ApplicationFiled: February 14, 2014Publication date: June 12, 2014Applicant: Loma Linda UniversityInventors: Mahmoud Torabinejad, Homayoun Moaddel
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Publication number: 20140154646Abstract: The invention provides a light-curable dental material comprising a polymerizable compound having at least one ethylenically unsaturated bond and a hexaaryl bisimidazole as a photopolymerization initiator.Type: ApplicationFiled: February 11, 2014Publication date: June 5, 2014Applicant: DENTSPLY International Inc.Inventors: Gordon BLACKWELL, Christoph WEBER
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Patent number: 8735465Abstract: Denture adhesive compositions having good hold and improved taste containing a salt of a copolymer of alkyl vinyl ether-maleic acid or anhydride. Compositions containing from about 25% to about 45%, by weight of the composition, of a salt of a copolymer of alkyl vinyl ether-maleic acid or anhydride containing a cationic salt function containing: i) from about 60% to about 72% cations selected from calcium, strontium, magnesium, or combinations thereof; ii) from 0% to about 10% sodium cations; iii) less than 1% zinc cations; and iv) from about 25% to about 40% of a free acid component; and further containing from about 15% to about 25%, by weight of the composition of a carboxymethyl cellulose having a molecular weight of from about 200,000 to about 1,000,000 daltons; and a carrier. Methods of improving the adhesion of dentures to the oral cavity by applying such compositions to dentures, the oral cavity, or both, and thereafter securing the denture to the ridge or palate of the oral cavity.Type: GrantFiled: March 9, 2011Date of Patent: May 27, 2014Assignee: The Procter & Gamble CompanyInventors: Jayanth Rajaiah, Robert Scott Leonard, Rafael Edmundo Bras, Franco Medeiros
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Patent number: 8735463Abstract: Dental restorative composites having self-healing capabilities to repair discontinuities in the composite are provided. Dental restorative composites according to the present invention include a microsphere that encapsulates a monomer. When a fracture occurs, the microsphere is ruptured and the monomer fills the fracture. Depending on the monomer present in the microsphere, it is polymerized by a polymerization initiator or by an olefin metathesis catalyst present in the dental restorative composite. Self-healing dental restorative composites provide increased resistance to fracturing, and thus remain substantially intact for a longer period of time, preserving the remedial integrity of the dental repair or reconstruction.Type: GrantFiled: May 31, 2007Date of Patent: May 27, 2014Assignee: Creighton UniversityInventors: Stephen M. Gross, Mark A. Latta
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Publication number: 20140141390Abstract: Various embodiments of the present invention generally relate to a light-cure and dual-cure resin that have low color and is color stable over conventional light, self and dual-cured resins. Additionally, the light-cure resin has enhanced degree of cure over conventional light-cure resins. Finally, due to the low color and enhanced color stability of the dual-cure resins, their inherent property of having lower shrinkage stress as compared to light-cure resins can now be utilized in various dental applications and other resin applications.Type: ApplicationFiled: January 27, 2014Publication date: May 22, 2014Applicant: The Board of Regents of the University of Texas SystemInventors: H. Ralph Rawls, Kyumin Whang, Nasser Barghi, Dong-Hoon Shin, Richard Plymale
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Patent number: 8722759Abstract: Fillers containing silica-zirconia nanoclusters are disclosed. The fillers may be prepared by mixing a sol of silica nanoparticles with a sol of preformed, crystalline nanozirconia particles. The fillers provide desirable optical properties, such as opalescence, and are useful in dental compositions.Type: GrantFiled: October 9, 2009Date of Patent: May 13, 2014Assignee: 3M Innovative Properties CompanyInventor: Bradley D. Craig
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Patent number: 8722760Abstract: The present invention provides self-adhesive compositions that include a plurality of acidic compounds. The self-adhesive compositions are useful for applications including, for example, restoring dental structures and adhering orthodontic appliances to teeth.Type: GrantFiled: August 9, 2005Date of Patent: May 13, 2014Assignees: 3M Innovative Properties Company, 3M Deutschland GmbHInventors: Thomas Luchterhandt, Reinhold Hecht, Markus Watermann, Steven M. Aasen
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Publication number: 20140120499Abstract: A dental curable composition that allows easily identifying the presence of the dental curable composition in an oral cavity is provided. A dental visible-light curable composition contains a fluorescent substance that generates fluorescence when irradiated with visible light. The fluorescent substance is a compound of formula A3B2C3O12 containing Ce, absorbs visible light with a peak wavelength in a wavelength range of 380 to 500 nm, and generates fluorescence with a peak wavelength in a wavelength range of 550 to 780 nm. In formula A3B2C3O12, A, B, and C are a dodecahedral eight-coordinate Y element, an octahedral six-coordinate Al element, and a tetrahedral four-coordinate Al element, respectively.Type: ApplicationFiled: October 23, 2013Publication date: May 1, 2014Applicant: SHOFU INC.Inventors: Toshiyuki Nakatsuka, Kazuya Shinno, Akihiro Nagafuji, Shingo Tateishi
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Patent number: 8710114Abstract: The present application provides dental fillers, and methods of making and using dental fillers that include a treated surface that includes phosphorus and a divalent cation. Dental compositions including such dental fillers can be useful for delivering ions to the oral environment.Type: GrantFiled: November 7, 2005Date of Patent: April 29, 2014Assignee: 3M Innovative Properties CompanyInventors: Richard P. Rusin, Sumita B. Mitra, Kevin M. Cummings
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Publication number: 20140099271Abstract: Presently described are dental compositions comprising one or more fatty mono(meth)acrylates, methods of use, dental articles, and methods of making dental compositions. It has been found that a relatively low concentration of a fatty mono(meth)acrylate can improve the handling characteristics of a dental composition by reducing the tendency of the composition to stick to a dental instrument and/or by reducing the tendency of a dental composition to string when being manipulated by a dental instrument. In one embodiment, a hardenable dental composition is described comprising a polymerizable resin composition comprising at least one multifunctional ethylenically unsaturated monomer; 0.2 to 10 wt-% of one or more fatty mono(meth)acrylate monomers; and at least 50 wt-% of inorganic oxide filler.Type: ApplicationFiled: June 27, 2012Publication date: April 10, 2014Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventor: Bradley D. Craig
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Patent number: 8691886Abstract: To provide a dental hydraulic temporary sealing material composition setting faster than conventional composition, excellent adhesiveness with cavity, and extremely good operativity of filling in an oral cavity, the dental hydraulic temporary sealing material composition includes calcium sulfate, a vinyl acetate resin, an inorganic filler, alcohols having a boiling point of 110° C. or more, and a nonionic surfactant, whereby water on a cavity can adhere, without being repelled, to a paste surface due to hydrophilic effect between an organic solvent having proper hydrophilicity and the nonionic surfactant, the water can permeate and diffuse rapidly and stably through the inside of the paste by the hydrophilic effect so as to set faster than conventional composition, and since the hydrophilic effect is effective for adhesiveness with cavity, filling property in an oral cavity becomes extremely good.Type: GrantFiled: March 30, 2011Date of Patent: April 8, 2014Assignee: GC CorporationInventors: Yutaka Shinozaki, Shouichi Fukushima, Hiroshi Kamohara
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Patent number: 8686063Abstract: The present invention refers to a method of infiltrating enamel for the prevention and/or treatment of carious lesions comprising (a) exposing an enamel area to a conditioner comprising hydrochloric acid; (b) exposing the conditioned enamel area to an infiltrant; and (c) curing the infiltrant. The present invention further refers to a kit for carrying out the method of infiltrating enamel, which comprises a conditioner comprising hydrochloric acid and an infiltrant comprising at least one low viscous dental resin. The present invention also refers to a method for identifying an infiltrant by calculation of the penetration coefficient, and to an infiltrant identified by the method having a penetration coefficient of >50 cm/s or comprising a low viscous light curing resin having a penetration coefficient of >50 cm/s.Type: GrantFiled: May 11, 2006Date of Patent: April 1, 2014Assignee: Charité—Universitätsmedizin BerlinInventors: Hendrik Meyer-Lückel, Sebastian Paris, Andrej M. Kielbassa
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Composite material comprising a monomer with a polyalicyclic structure element as a sealing material
Patent number: 8669302Abstract: The application of certain (preferably photocurable) composite materials comprising a monomer with a polyalicyclic structure element as a dental sealing material is described herein. A description is also provided of novel polymerizable monomers comprising at least one polyalicyclic structure element and certain ethylenic structure elements, which are particularly suitable for use in a composite material to be applied and their application in a composite material.Type: GrantFiled: September 29, 2011Date of Patent: March 11, 2014Assignee: VOCO GmbHInventors: Tobias Blömker, Manfred Stepputtis, Manfred Thomas Plaumann, Reinhard Maletz -
Patent number: 8664294Abstract: A self etching, dental cement composition is provided having the advantage of not requiring a separate etching and bonding step. The cement composition comprises a polymerizable (meth)acrylate trimellitic acid/anhydride, a phosphoric acid (meth)acrylate, a hydroxyalkyl(meth)acrylate, copolymerizable multi-functional (meth)acrylate monomers, a diluent, fillers, and a curing system. These cement compositions are prepared as a two-paste system that is combined prior to use.Type: GrantFiled: March 15, 2011Date of Patent: March 4, 2014Assignee: Pentron Clinical Technologies, LLCInventors: Weitao Jia, Shuhua Jin
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Patent number: 8658712Abstract: Improved compositions comprising a mixture of particulate materials with water-based liquids containing water-soluble polymers and surfactants are provided. Examples of particulate powders include mixtures of calcium silicate, calcium aluminate, calcium sulfate, and hydroxyapatite. Examples of water-soluble polymers include polyvinyl alcohols, polyvinyl pyrrolidone, partially hydrolyzed polyvinyl acetates, polyacrylic acid, and polymethacrylic acid. Surfactants such as sodium dodecyl sulfate are added to the composition to interact with the polymeric materials. The compositions are particularly suitable for sealing and obturating dental root canals and root apices. The composition provides a stable barrier to bacterial and fluid leakage in the root canal system of a tooth. In addition, the compositions help promote the growth of new bone and tissue surrounding the root-tip area or dentin tissue that covers an injured or amputated pulp.Type: GrantFiled: February 8, 2008Date of Patent: February 25, 2014Assignee: Dentsply International Inc.Inventors: Carolyn M. Primus, James L. Gutmann, Miklos M. Breuer, Steven R. Jefferies
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Publication number: 20140051036Abstract: There are described tooth filling materials and dental varnishes for inhibiting the biofilm formation of Streptococcus mutans containing (a) a quantity of an active substance for inhibiting the biofilm formation, (b) a material for forming a structure for the uptake and delayed release of the active substance and (c) a filling material system. Another aspect of this invention relates to a method for producing tooth filling materials or dental varnishes according to the invention for inhibiting the biofilm formation of Streptococcus mutans. The present invention also relates to a kit comprising tooth filling materials or dental varnishes according to the invention and one or more additional constituents. There are also described methods for inhibiting the biofilm formation of Streptococcus mutans, methods for producing a dental component which inhibits the biofilm formation and the use of the active substance for producing a dental material.Type: ApplicationFiled: August 9, 2013Publication date: February 20, 2014Applicants: Helmholtz-Zentrum fuer Infektionsforschung GmbH, VOCO GmbhInventors: Irene Wagner-Doebler, Andree Barg
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Patent number: 8642678Abstract: Polymerizable dental composite comprising a solid filler and an organic polymerizable matrix, said polymerizable matrix comprising: (i) a polymerizable (meth)acrylic monomer having at least two polymerizable groups and (ii) from 1.0 to 15 weight-% of a polymerizable monomer having a carboxylic acid group based on the total weight of said polymerizable matrix.Type: GrantFiled: August 14, 2007Date of Patent: February 4, 2014Assignee: DENTSPLY International Inc.Inventors: Gordon B. Blackwell, Andreas Facher
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Publication number: 20140030678Abstract: An adhesive adapted for stabilizing ceramic restorations for dental use, that includes a reaction product of an admixture of: a di(organo)polysiloxane that includes at least two vinylic groups and has a viscosity of at least 100 cP at 25° C.; a silicone resin; an (organo)(hydrogen)polysiloxane; a silanated fumed silica; and a filler. Preferably, the admixture includes a di(organo)polysiloxane that includes at least two vinylic groups and has a viscosity of at least 100 cP at 25° C.; a silicone resin; an (organo)(hydrogen)polysiloxane; an organoplatinum polymerization catalyst; a silanated fumed silica; a polymerization retardant; an inorganic pigment; and a filler.Type: ApplicationFiled: July 23, 2013Publication date: January 30, 2014Inventor: Thomas S. Greggs
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Publication number: 20140017638Abstract: The present invention discloses a kit of material for dentin restoration including a combination of a plurality of kinds of curable pastes each having a different hue, wherein each of the curable pastes exhibits L* of 55 to 75 and a fluctuation range of L* of 3 or less in a CIELab color system when the color of a cured body with a thickness of 3.0 mm obtained by curing the pastes is measured against a black background, and a method for producing the kit of material for dentin restoration.Type: ApplicationFiled: September 16, 2013Publication date: January 16, 2014Applicant: TOKUYAMA DENTAL CORPORATIONInventors: Hironobu AKIZUMI, Chika TORIYABE
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Publication number: 20140017637Abstract: Dental materials are provided in which a conformal coating is disposed on the inner surfaces of a dental composite. The conformal coating can be subsequently surface modified to provide a chemical bond between the compressible component and a hardenable resin, resulting in increased bond strength and reduced bond strength variability. Use of a thin conformal layer can provide a surprising enhancement in bond reliability while minimizing the collateral effect on the handling properties of the unhardened composite. The conformal coating can also improve the compressibility and decrease rebound in the overall dental composite during a bonding procedure and reduce the amount of extractable components.Type: ApplicationFiled: March 19, 2012Publication date: January 16, 2014Applicant: 3M IINNOVATIVE PROPERTIES COMPANYInventors: David K. Cinader, Jr., Bill H. Dodge, Bradley W. Eaton
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Publication number: 20130344456Abstract: A dental curing light system is configured to include a dental curing light (100) having a device body (102) with a proximal handle portion (106) and a distal head portion (104). One or more light sources (120) for generating light are disposed on or within the device body (102). Generated light is emitted from the distal head portion (104) and includes wavelengths greater than about 420 nm and wavelengths less than 420 nm. A separate head attachment member or device (160) is coupleable over the distal head (110) of the device body (102) so as to receive substantially all light emitted from the distal head portion (104) of the device body (102).Type: ApplicationFiled: March 9, 2012Publication date: December 26, 2013Applicant: ULTRADENT PRODUCTS, INC.Inventor: Neil Jessop
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Publication number: 20130323685Abstract: A dental restorative composite and a method of curing the composite are disclosed in which the composite includes a polymerizable organic resin, a radiation activated initiator having an activation wavelength, an inert filler; and luminescent crystals, wherein the luminescent crystals emit radiation at a predetermined wavelength matching the initiator activation wavelength when the luminescent crystals are irradiated with radiation having a wavelength longer than the activation wavelength, the luminescent crystals being up-converting particles that result in those particles emitting radiation at a wavelength that initiates curing.Type: ApplicationFiled: June 4, 2013Publication date: December 5, 2013Inventors: Calvin OSTLER, Hui LU
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Publication number: 20130316307Abstract: Dental compositions are described comprising an addition-fragmentation agent comprising at least one ethylenically unsaturated terminal group and a backbone unit comprising an ?,?-unsaturated carbonyl; at least one monomer comprising at least two ethylenically unsaturated group; and inorganic oxide filler. The addition-fragmentation agent is preferably free-radically cleavable. The addition-fragmentation agent preferably comprises at least two ethylenically unsaturated terminal groups, such as (meth)acTylate groups. In some embodiments, the addition-fragmentation agent has the formula: wherein R1, R2 and R3 are each independently Zm, -Q-, a (hetero)alkyl group or a (hetero)aryl group with the proviso that at least one of R1, R2 and R3 is Zm-Q-; Q is a linking group have a valence of m+1; Z is an ethylenically unsaturated polymerizable group; m is 1 to 6; each X1 is independently —O— or —NR4—, where R4 is H or C1-C4 alkyl; and n is 0 or 1.Type: ApplicationFiled: February 8, 2012Publication date: November 28, 2013Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: Guy D. Joly, Larry R. Krepski, Babu N. Gaddam, Ahmed S. Abuelyaman, Bradley D. Craig, Timothy D. Dunbar, Chuntao Cao, Joel D. Oxman, Afshin Falsafi, William H. Moser, Hoa T. Bui
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Patent number: 8552087Abstract: Low viscosity composites, with a flexural modulus of at least 18 GPa and a flexural strength of at least 90 MPa for filling dental root canals for fixing post or as a build-up material on post, are composed of aluminum oxide with a mean particle size of 1 to 50 ?m in combination with at least one additional filler with a mean particle size of 0.5 to 5 ?m and a monomer mixture. Also disclosed is a method for the preparation of tooth restorations.Type: GrantFiled: September 10, 2009Date of Patent: October 8, 2013Assignee: Ivoclar Vivadent AGInventor: Gianluca Zappini
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Patent number: 8552086Abstract: A hardenable dental composition that includes a polymerizable component and an organogelator.Type: GrantFiled: December 19, 2012Date of Patent: October 8, 2013Assignee: 3M Innovative Properties CompanyInventors: Naimul Karim, Todd D. Jones, Kevin M. Lewandowski, Bradley D. Craig, Sumita B. Mitra, Jie Yang
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Patent number: 8546463Abstract: Dental composition comprising an aqueous mixture containing (i) a polymerizable acidic phosphoric acid ester monomer of the following formula (A): wherein a is an integer of from 1 to 10; R1 represents a hydrogen atom or a moiety of the following formula (Y) wherein X independently represent an oxygen atom, a sulfur atom, or a group NR, wherein R may be a hydrogen atom, a C1-6 alkyl group or an acyl group; L represents an (a+b)-valent organic residue containing 1 to 20 carbon atoms and optionally including ether, thioether or amino groups or further acidic groups, whereby the carbon atoms comprise at least a+b carbon atoms selected from primary and secondary aliphatic carbon atoms, secondary alicyclic carbon atoms, and aromatic carbon atoms, each of said a+b carbon atoms linking a phosphate or 2-(oxaallyl) derivative group; b is an integer of from 1 to 10; R2 which may be the same or different, independently may be hydrogen, an allyl group or a moiety R1 wherein b is 1; provided thatType: GrantFiled: April 13, 2009Date of Patent: October 1, 2013Assignee: DENTSPLY International Inc.Inventors: Joachim E. Klee, Uwe Lehmann
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Patent number: 8545225Abstract: The present invention provides a redox-curing type composition that penetrates into a wet body, particularly into a tooth structure (dentin), is cured in an accelerated manner by the moisture contained in the wet body, thereby exhibits a higher bond strength than those of conventional redox-curing type compositions, and has satisfactory storage stability. The present invention is a redox-curing type composition including a polymerizable monomer (a) having an acidic group, a polymerizable monomer (b) having no acidic group, a powdery inorganic peroxide (c) with an average particle diameter of 0.01 to 50 ?m, an amine-based reducing agent (d), and a polymerization accelerator (e). The amine-based reducing agent (d) includes an aromatic amine (d?1) and an aliphatic amine (d?2), and a weight ratio (d?1):(d?2) therebetween is 5:1 to 1:50.Type: GrantFiled: March 1, 2010Date of Patent: October 1, 2013Assignee: Kuraray Noritake Dental Inc.Inventors: Mitsuru Takei, Mariko Sugiura
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Publication number: 20130252207Abstract: Example embodiments of the present invention utilize long term anti-microbial/bacteriostatic compounds that are dispersed throughout a tooth restoration material as a means to reduce or eliminate recurrent decay between the tooth restoration material and tooth structure. More specifically, the present invention utilizes metals, metal oxides, and metal salts, insoluble bacteriostatic organic compounds, soluble bacteriostatic organic compounds, and organometallic compounds as long term anti-microbial/bacteriostatic compounds that are dispersed throughout the tooth restoration material as a means to reduce or eliminate recurrent decay between the tooth restoration material and tooth structure.Type: ApplicationFiled: September 15, 2011Publication date: September 26, 2013Applicant: CAO GROUP, INC.Inventor: Steven D. Jensen
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Publication number: 20130236856Abstract: Provided are a hard tissue restoration material, which is excellent in hard tissue restoration ability, extremely effective in promoting recalcification of dental enamel, and excellent in protection properties and aesthetic properties, and a hard tissue restoration method. The hard tissue restoration material according to the present invention is a biocompatible ceramic film with flexibility and pliability that is obtained, for example, by immersing a substrate, having the biocompatible ceramic film formed thereon, in a solvent, which does not dissolve the biocompatible ceramic but dissolves at least a portion of the substrate, to dissolve or separate the substrate. Also, with the hard tissue restoration method according to the present invention, the hard tissue restoration material according to the present invention is bonded to or wound around a hard tissue defect site.Type: ApplicationFiled: January 29, 2013Publication date: September 12, 2013Applicant: KINKI UNIVERSITYInventors: Shigeki HONTSU, Hiroaki NISHIKAWA, Masanobu KUSUNOKI, Kazushi YOSHIKAWA, Kazuyo YAMAMOTO
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Publication number: 20130224692Abstract: A dental adhesive composition is described comprising a photocurable ionomer, radiopaque metal oxide nanoparticles, a phosphorous-containing acidic monomer, other polymerizable resin components, and a polar solvent. In a favored embodiment, the adhesive composition comprises a photocurable ionomer in an amount up to 15 wt-%; 5 wt-% to 30 wt-% of radiopaque metal oxide nanoparticles that comprise a basic surface (such as zirconia) wherein the nanoparticles comprise an organosilane surface treatment; a phosphorous-containing acidic monomer in an amount up to 10 wt-%; and 10 wt-% to 50 wt-% of solvent comprising water and at least one alcohol, ketone, or mixture thereof.Type: ApplicationFiled: November 3, 2011Publication date: August 29, 2013Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: Brian A. Shukla, Bradley D. Craig
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Patent number: 8519019Abstract: The invention relates to dental compositions which can be used to produce dental prostheses and for dental restoration.Type: GrantFiled: December 17, 2002Date of Patent: August 27, 2013Assignee: Bluestar Silicones France SASInventors: Didier Dhaler, Jean-Marc Frances
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Patent number: 8513327Abstract: An adhesive composition for dental use exhibiting acidic property, including a mixture of a polymerizable monomer component (A) containing a phosphoric acid-type polymerizable monomer having an acidic group derived from phosphoric acid, and a multivalent metal ion-releasing component (B), wherein the multivalent metal ion-releasing component (B) is capable of releasing at least earth metal ions, and in the composition, earth metal ions stemming from the component (B) are present together with the phosphoric acid-type polymerizable monomer in such an amount that a total valency ratio (RE) defined by the following formula (1) is in a range of 0.2 to 3.0. The adhesive composition is capable of strongly adhering and fixing a composite resin or a prosthetic material to a tooth for extended periods of time maintaining stability.Type: GrantFiled: November 8, 2007Date of Patent: August 20, 2013Assignee: Tokuyama Dental CorporationInventors: Koji Matsushige, Takeshi Suzuki, Shizuka Shimizu, Ayumi Dodomi
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Patent number: 8513326Abstract: The present invention relates, generally, to monomers containing carbamate-methacrylates or derivatives of carbamate-methacrylates, processes for making the monomers, and compositions comprising the monomers. The present invention also relates to methods of using the monomers, such as in dental applications, and in particular, dental restorative resins.Type: GrantFiled: April 8, 2010Date of Patent: August 20, 2013Assignee: Septodont Confi-DentalInventors: Marianela Trujillo-Lemon, Kristin Lindsay Wall, Kristina Esquibel, Jordan Boulden, Amy J. Docktor, Zachary R. Shelton, Cora Bracho-Troconis
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Publication number: 20130209951Abstract: A fluoride treated medical implant, such as a dental component, is provided, the medical implant comprising fluorinated metal oxide on the substrate surface. A method for the preparation of such treated implants is also provided, the method involving exposure of the medical implant to a fluorine-containing reagent. A dental structure is also provided, which includes a first dental component comprising a fluorinated metal oxide layer on its surface, a silane coupling agent, a dental cement, and a second dental component having a surface bonded to the dental cement. An additional dental structure, which includes a first dental component comprising a fluorinated metal oxide layer on its surface, a dental cement, and a second dental component having a surface bonded to the dental cement is also provided.Type: ApplicationFiled: October 20, 2011Publication date: August 15, 2013Applicant: RESEARCH TRIANGLE INSTITUTEInventors: Jeffrey Robert Piascik, Brian R. Stoner
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Patent number: 8506981Abstract: The present invention is directed to implantable compositions comprising substantially spherical bioactive glass particles.Type: GrantFiled: April 23, 2013Date of Patent: August 13, 2013Assignee: Synergy Biomedical LLPInventor: Mark D. Borden
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Publication number: 20130183630Abstract: A thermoplastic-based polymer adhesive for use in dentistry includes a thermoplastic polymer and an additional polymer or additive including at least one moiety, monomer, or prepolymer capable of changing at least one property of the thermoplastic-based polymer adhesive when exposed to an activation energy. The activation energy may be heat energy and/or sonic or ultrasonic energy. Bonding a dental component to a tooth includes placing the thermoplastic-based polymer adhesive between the dental component and the surface of the tooth and compressing the dental component against the adhesive, and, while compressing, applying an activation energy to cause crosslinking of the additional polymer or additive with the thermoplastic polymer.Type: ApplicationFiled: January 16, 2013Publication date: July 18, 2013Applicant: KERR CORPORATIONInventor: KERR CORPORATION
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Publication number: 20130157225Abstract: Provided are dental articles, and methods of making articles, having an aesthetic inorganic coating based on zirconia at least partially stabilized with yttrium oxide, calcium oxide, cerium oxide, or magnesium oxide. Stabilized zirconia coatings were found to provide a smooth, low friction surface having high abrasion resistance. These coatings are particularly applicable to orthodontic appliances. While virgin stabilized zirconia coatings can often have an undesirable color cast, it was discovered that this color cast can be substantially eliminated by heat treating the coated appliance in an oxygenated environment. The combination of depositing a stabilized zirconia coating and subsequently heat treating to decolorize the coating provides a surprisingly robust, stable, low-friction coating that is also aesthetic.Type: ApplicationFiled: August 22, 2011Publication date: June 20, 2013Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: Geoffrey P. Morris, William E. Wyllie, II, Steven D. Theiss
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Patent number: 8466211Abstract: A one-part, self-etching dental adhesive having improved performance such as adhesion performance with a simple one-coat application, without the need of separate acid-etching, a priming pre-treatment, or bonding step. The invention provides such improvements due to a function of the pH balance of the system in combination with an acid stable photoinitiating system. More specifically, the performance and pH balance is achieved through the employment of a hydrolytically stable, acidic, high-strength adhesive monomer (such as PENTA), with a stable, bifunctional, hydrophilic monomer (such as AHPMA) that yields greater crosslinking.Type: GrantFiled: November 30, 2009Date of Patent: June 18, 2013Assignee: DENTSPLY International Inc.Inventors: Junjie Sang, Huaibing Liu
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Patent number: 8466212Abstract: The present invention relates to dental materials composed of calix[n]arenes and also to the use thereof for cements, composites, adhesives and coating materials in the dental field. The materials include (a) 0.5 to 90% by weight of at least one polymerizable calix[n]arene according to formula (I), (b) 0.01 to 5% by weight of initiator, (c) 0 to 90% by weight of at least one additional monomer which can polymerize under cationic and/or radical conditions and/or which can polymerize by ring opening, (d) 0 to 85% by weight of filler, (e) 0.01 to 5% by weight of additive and (f) 0 to 70% by weight of solvent.Type: GrantFiled: August 18, 2010Date of Patent: June 18, 2013Assignees: Ivoclar Vivadent AG, Haraeus Kulzer GmbHInventors: Norbert Moszner, Helmut Ritter, Urs-Karl Fischer, Monir Tabatabai, Matthias Schaub, Andreas Utterodt
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Patent number: 8465284Abstract: Methods and compositions including an aqueous liquid that includes an acid-sensitive dye are disclosed for use in dental and orthodontic procedures. The aqueous liquid can be useful for providing a visible color change to indicate contact with acidic materials including, for example, etching compositions, self-etching adhesives, and self-adhesive compositions.Type: GrantFiled: July 7, 2005Date of Patent: June 18, 2013Assignee: 3M Innovative Properties CompanyInventors: Bradley D. Craig, Robert Lee, Ahmed S. Abuelyaman, Afshin Falsafi, Steven M. Aasen, Joel D. Oxman
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Publication number: 20130149667Abstract: Multiphase tissue engineered tissue complex scaffolds and methods for their use are provided.Type: ApplicationFiled: December 13, 2012Publication date: June 13, 2013Applicant: The Trustees of Columbia University in the City of New YorkInventor: The Trustees of Columbia University in the City of New York
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Patent number: 8461227Abstract: A composition of macrocyclic oligomer with at least one polymerizable group, (meth)acrylate, for example.Type: GrantFiled: January 4, 2010Date of Patent: June 11, 2013Assignee: DENTSPLY International Inc.Inventors: Xiaoming Jin, Paul D. Hammesfahr
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Publication number: 20130143176Abstract: The present disclosure relates to a kit of parts comprising part A and part B, part A comprising a polymerizable component having an acid group in the molecule, an initiator, part B comprising an activator, and a film former with a molecular weight of at least 1000. The present disclosure also relates to a composition obtainable by mixing the components contained in the kit of parts and to a process for producing the kit of parts comprising the steps of bringing the components contained in part B of the kit in contact with a surface, drying the surface to form a film.Type: ApplicationFiled: July 26, 2011Publication date: June 6, 2013Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: Christoph Thalacker, Karsten Dede, Alexandra Glaser, Thomas Luchterhandt, Markus Watermann
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Patent number: 8455565Abstract: Dental compositions and disulfide monomers are described. The disulfide monomer comprise a disulfide backbone group wherein each of the sulfur atoms are bonded to an ethylenically unsaturated group via a divalent linking group and the linking group comprises at least one heteroatom; and at least one other monomer ethylenically unsaturated monomer.Type: GrantFiled: May 18, 2011Date of Patent: June 4, 2013Assignees: 3M Innovative Properties Company, The Regents of the University of ColoradoInventors: Ahmed S. Abuelyaman, Joel D. Oxman, Yizhong Wang, Christopher N. Bowman, Hee Young Park, Christopher J. Kloxin
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Patent number: 8455566Abstract: Provided herein are uncured dental composites suitable for, among other things, filling cavities in teeth.Type: GrantFiled: October 16, 2007Date of Patent: June 4, 2013Assignee: E I du Pont de Nemours and CompanyInventors: Douglas Robert Anton, Gary Delmar Jaycox, Yongqing Huang
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Patent number: 8455564Abstract: A dental composition of the present invention includes: a polymerizable monomer component (A); and an amorphous filler (B) having an average particle size of 1 to 20 ?m and including silica-based fine particles and coatings of an oxide that cover the surfaces of the silica-based fine particles. The oxide contains a zirconium atom, a silicon atom, and an oxygen atom. The dental composition contains 20 to 500 parts by weight of the filler (B) per 100 parts by weight of the polymerizable monomer component (A). The dental composition has a viscosity of 10 to 800 Pa·s. It is preferable that the filler (B) contain spherical particles, and that the percentage of the spherical particles in the filler (B) be at least 60%.Type: GrantFiled: April 28, 2009Date of Patent: June 4, 2013Assignees: Kuraray Noritake Dental Inc., JGC Catalysts and Chemicals Ltd.Inventors: Yoshiko Kuboe, Masaki Okubayashi, Koichi Okada, Keisuke Ohtsuka
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Patent number: 8450388Abstract: The present application provides dental fillers, and methods of making and using dental fillers that include a treated surface that includes a caseinate. Dental compositions including such dental fillers can be useful for delivering ions to the oral environment. Dental compositions, and methods of using dental compositions that include a caseinate and a hardenable resin or a water-dispersible, polymeric film former are also provided.Type: GrantFiled: July 11, 2012Date of Patent: May 28, 2013Assignee: 3M Innovative Properties CompanyInventors: Richard P. Rusin, Sumita B. Mitra, Kevin M. Cummings, Paul A. Burgio, Afshin Falsafi
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Patent number: 8445558Abstract: A hardenable dental composition that includes a polymerizable component and an organogelator.Type: GrantFiled: September 12, 2007Date of Patent: May 21, 2013Assignee: 3M Innovative Properties CompanyInventors: Naimul Karim, Todd D. Jones, Kevin M. Lewandowski, Bradley D. Craig, Sumita B. Mitra, Jie Yang