Entries |
Document | Title | Date |
20080234404 | Dental Root Canal Filling Material - A dental root canal sealing composition curable in the absence of a polymerisation initiator, which comprises (i) an amino terminated prepolymer having a viscosity at 23° C. of less than 100 Pas. (ii) a compound capable of undergoing polyaddition with the aminoterminated prepolymer (i); (iii) 40 to 85 wt.-% of a filler for providing a minimum radioopacity of at least 3 mm/mm Al. | 09-25-2008 |
20080234405 | Materials based on radically polymerizable N,O-functionalized acrylic acid hydroxamides - A material contains at least a polymerizable N,O-functionalized acrylic acid hydroxyamide of the Formula (I) | 09-25-2008 |
20080242760 | Poly (Dialkylsiloxane) For Improving Surface of Dental Fillings - The present invention relates to a use of a poly(dialkylsiloxane) having terminal hydroxyl groups, wherein the alkyl groups contain 1 to 4 carbon atoms, for improving the strength and the surface of dental fillings that are based on glass ionomer cement compositions. | 10-02-2008 |
20080293846 | Dental Compositions with Surface-Treated Filler for Shelf Stability - The invention features dental compositions containing a basic filler that has been surface-treated with a strong acid to increase the shelf life of the composition. | 11-27-2008 |
20080306182 | Reactive filler for dental cements - A process' for the modification of a particulate reactive filler for a dental ionomer cement, comprising
| 12-11-2008 |
20080319102 | Dental Composition Containing Epoxy Functional Polymerizable Compounds - The present invention relates to dental compositions comprising a halogenated epoxy functional ether derivative comprising at least one aryl alkyl ether moiety, at least one halogen atom attached to each aryl residue of the aryl alkyl ether moieties, at least two aliphatic epoxy moieties, no glycidyl ether structure, an initiator, optionally filler and optionally additive components selected from the group of modifiers, dyes, pigments, thixotropic agents, flow improvers, polymeric thickeners, surfactants, odorous substances, diluting agent(s) and flavourings. | 12-25-2008 |
20080319103 | Polyurethane composite material and application - The present invention discloses a Polyurethane (PU) composite material comprising a thermoplastic polyurethane and a filler. The thermoplastic polyurethane comprises a linear polyurethane main-chain, and the polyurethane main-chain comprises a soft segment and a hard segment. The hard segment of the polyurethane main-chain is formed by a diisocyanate and a chain extender, and the soft segment of the polyurethane main-chain is formed by a polyol. The present invention also teaches the application of the disclosed thermoplastic polyurethane composite material in dental root canal material. | 12-25-2008 |
20090012209 | DENTAL COMPOSITIONS CONTAINING A SURFACE-MODIFIED FILLER - The present invention features ionomer compositions containing a filler surface modified with a polyacid. The compositions can be used in a variety of dental and orthodontic applications, for example, as adhesives, cements, restoratives, coatings and sealants. | 01-08-2009 |
20090018234 | DENTAL CEMENT - In order to decrease hydroscopic expansion of a resin-modified dental glass ionomer cement without losing high mechanical strength and adhesiveness to tooth structure and to lower a solubility, a dental cement consists of a liquid agent which includes a (meth)acrylate monomer having an acid group; a (meth)acrylate monomer having two or less hydroxyl groups and/or amino groups, not having an acid group, and having 160 or more molecular weight; water if necessary; and an amine compound as a polymerization initiator for a polymerization catalyst in a powder agent, and a powder agent which includes metal oxide powder used for fluoroaluminosilicate glass powder, dental zinc phosphate cement powder or dental carboxylate cement powder; and an organic aromatic compound and a peroxide, where the organic aromatic compound contains at least one —SO | 01-15-2009 |
20090030110 | Dental cement composition containing composite particles with grafted polyacidic polymer chains - A dental cement composition comprising
| 01-29-2009 |
20090036564 | Bio-Degenerable Bone Cement and Manufacturing Method thereof - A bio-degenerable bone cement is made of a mixture of poly (propylene fumarate) (PPF) and a diphasic material of tetra-calcium phosphate (TTCP)/dicalcium phosphate anhydrous (DCPA). The bone cement produced by a manufacturing method is injectable, bio-degenerable and non-penetrable to radioactive rays and features the advantages of a compressive strength close to the strength of bones, a low polymerization temperature, and a high biological compatibility. | 02-05-2009 |
20090036565 | Dental Composites with a Low Shrinkage Tension and High Flexural Strength - Dental composite materials based on (meth)acrylate, exhibiting a proportion of TCD monomers in the total composition of 1-15% by weight and the quotient of flexural strength/shrinkage tension is at least 35. | 02-05-2009 |
20090048366 | Dental Composite Resin Cement, Dental Primer and Dental Adhesive Kit Containing Them - The present invention provides a dental resin cement which is excellent in a mechanical strength, workability and storage stability, and a dental primer which significantly improves adhesiveness of the dental resin cement both to enamel and dentin of a tooth. According to the present invention, a salt of barbituric acid is used as a polymerization initiator in the dual-cure two-paste type dental resin cement being excellent in workability and storage stability to improve the storage stability, and a primer containing barbituric acid and amine is applied to a surface of a tooth to significantly improve adhesiveness of the dental resin cement both to enamel and dentin of teeth. | 02-19-2009 |
20090062423 | ORTHOPAEDIC CEMENT MIXTURES WITH LOW WEIGHT PERCENT POLYVINYL ALCOHOL (PVA) SOLUTION - Orthopaedic bone cement mixtures include a primary material that has a flowable state and a solid mass state and a low weight percent amount of polyvinyl alcohol (PVA) material. The PVA material is distributed in the primary material. | 03-05-2009 |
20090093566 | Dental releasing materials - Combining nanosized particles of a source of desired dental restorative, repair or therapeutic materials with strengthening agents in various generally nanosized form such as whiskers, fibers, particles and the like in a resin matrix provides a highly strain resistant composite which more effectively releases the therapeutic agents. The utilization of nano sized particles of the therapeutic agent in the combination enables observation of significantly improved therapeutic results. | 04-09-2009 |
20090105366 | PASTE-LIKE POLYMETHYLMETHACRYLATE BONE CEMENT - What is described is a paste-like PMMA bone cement that is characterised in that a paste-like component A, which is made up of one or more methacrylate monomers that can be distilled and polymerised by radical polymerisation, at least one polymer that is soluble in the methacrylate monomer/methacrylate monomers, at least one particulate polymer that is insoluble in the methacrylate monomer/methacrylate monomers and has a particle size of less than 500 μm, and at least one radical initiator, and a paste-like component B, which is made up of one or more methacrylate monomers that can be distilled and polymerised by radical polymerisation, at least one polymer that is soluble in the methacrylate monomer/methacrylate monomers, at least one particulate polymer that is insoluble in the methacrylate monomer/methacrylate monomers and has a particle size of less than 500 μm, and at least one accelerator, is present and in that a tack-free paste that cures by itself is generated upon mixing the paste-like components A and B. | 04-23-2009 |
20090105367 | INITIATOR SYSTEM FOR SELF-CURING PLASTIC MATERIALS, ITS USE, AND BONE CEMENT COMPOSITIONS CONTAINING IT - An initiator system for self-curing plastic material comprises a) at least one salt of a dialklylbarbituric acid and/or an alkylcycloalkylbarbituric acid and/or alkylarylbarbituric acid and/or a cycloalkylarylbarbituric acid that is insoluble in methacrylate monomers; b) at least one heavy metal salt that is insoluble in methacrylate monomers; c) at least one halogenide ion donor that is insoluble in methacrylate monomers; and d) at least one acid that is soluble in methacrylate monomers. The initiator system can be used for the preparation of paste/paste, paste/powder, paste/liquid, powder/liquid, and liquid/liquid combinations for the production of medical plastic material and dental materials. Additionally, a bone cement composition containing the initiator system is described. | 04-23-2009 |
20090105368 | TIME-CONTROLLED INTRAORAL FILM FORMER SYSTEM FOR INTRAORAL USE - A water soluble polymer or biodegradable polymer operable to act as a release or separator between a prepared and sealed dentin surface and a temporary restoration. | 04-23-2009 |
20090105369 | Polymethylmethacrylate Bone Cements - What is described is a PMMA bone cement, containing at least one homopolymer or one copolymer having a glass transition temperature of more than 45° C., and at least one biocompatible elastomer that has a glass transition temperature of less than 37° C. and is soluble or insoluble in alkylmethacrylates and/or alkyldimethacrylates and/or alkyltrimethacrylates and/or alkyltetramethacrylates and has a residual monomer content of less than 5 percent. The PMMA bone cement is preferably used as self-curing plastic material for the fixation of primary total articular endoprostheses and revision total articular endoprostheses. Moreover, the PMMA bone cement can be used as self-curing filling material for vertebroplasty, kyphoplasty or femoral neck augmentation as well as for the production of temporary place-holders for two-stage revisions of total articular endoprostheses. | 04-23-2009 |
20090137697 | Dental Curable Composition and Kit for Such Dental Curable Composition - A dental curable composition has a curing time of 30 seconds to 120 minutes and includes a compound having an acidic group in the molecule (A), a polymerizable monomer (B), an organic amine compound (C) and a sulfur-containing reducing compound (D). In the dental curable composition, the content of the component (A) is 0.01 to 80 parts by weight, the content of the component (B) is 21 to 99.8 parts by weight, the content of the component (C) is 0.01 to 30 parts by weight and the content of the component (D) is 0 to 30 parts by weight. The composition may be cured at a relatively low temperature close to the body temperature without using a peroxide-based polymerization initiator, and has good sealing properties and adhesion. | 05-28-2009 |
20090156710 | Cone Material in Endodontic Treatment - The present invention discloses a cone material in endodontic treatment. The cone material comprises a thermoplastic polyurethane and a filler. The thermoplastic polyurethane is formed by a. isophorone diisocyanate (IPDI) or hexamethylene diisocyanate (HDI), b. poly(butyleneadipate) glycol (PBA) and c. chain extender, wherein the molar ratio of PBA and the diisocyanate is equal to or more than 0.8. By changing the molar composition of the components such as polyol and diisocyanate, physical and chemical property of the disclosed cone material in endodontic treatment can be adjusted. | 06-18-2009 |
20090186960 | DENTAL MATERIALS WITH SURFACE-FUNCTIONALIZED FILLERS - The invention relates to a polymerizable composition which is characterized in that it contains at least one filler that is surface-functionalized with groups of formula (I), wherein groups of formula (I) | 07-23-2009 |
20090192240 | DENTAL COMPOSITE MATERIAL - The invention concerns hardenable dental composite materials, comprising i) non-agglomerated nanofillers having particle sizes of about 1 to about 50 nm; and ii) core-shell polymer particles with an elastic core compound, preferably having a modulus of elasticity of less than about 18 MPa, more preferably of less than 14 MPa, most preferably of less than about 10 MPa; and a substantially non-elastic shell compound. The materials have improved properties that allow for advantageous restoration of molar and premolar teeth with the bulk filling technique | 07-30-2009 |
20090215921 | MODIFIED DIMETHYLACRYLATE MONOMER, METHOD FOR PREPARING THE SAME, AND POLYMERIC DENTAL COMPOSITE - A modified dimethylacrylate monomer is represented by the following formula (I): | 08-27-2009 |
20090221730 | BONE CEMENT COMPOSITION - A bone cement composition contains (a) the product of a polymerisation reaction between a high molecular weight dimethacrylate monomer having a molecular weight of at least 250 and bearing at least one hydrophilic group, a monofunctional methacrylate monomer having a molecular weight of not more than 250 bearing at least one hydrophilic group, an methacrylate monomer, and a polymer having a molecular weight of at least 200,000, and (b) an inorganic filler which is present in an amount of at least about 40% by weight, based on the total weight of the cement composition. | 09-03-2009 |
20090239969 | DENTAL PROSTHETICS COMPRISING CURABLE ACRYLATE POLYMER COMPOSITIONS AND METHODS OF THEIR USE - Disclosed herein are acrylic and methacrylic acid ester-based polymeric materials containing as flexibilizing and brittleness reducing agents 1-60% of C | 09-24-2009 |
20090247664 | BONE TREATMENT SYSTEMS AND METHODS - The present disclosure relates to bone cement formulations that have an extended working time for use in vertebroplasty procedures and other osteoplasty procedures together with cement injectors that include energy delivery systems for on-demand control of cement viscosity and flow parameters. The bone cement formulations may include a liquid component having at least one monomer and a non-liquid component including polymer particles and benzoyl peroxide (BPO). The non-liquid component may be further configured to allow controlled exposure of the BPO to the liquid monomer so as to enable control of the viscosity of the bone cement composition. | 10-01-2009 |
20090253825 | Dental Filler, Method of Producing the Same, and Dental Composite Material - The present invention provides dental fillers having the optical and/or mechanical characteristics required to dental materials, a method of producing the same, and a dental composite material prepared with use of the dental filler. More specifically, the present invention provides a dental filler containing a zirconium silicate compound, especially a zirconium trisilicate compound with a wadeite type crystalline structure and having an average particle diameter in the range from 2 to 50,000 nm, a method of producing the same, a dental composite material containing the dental filler and a hardenable resin selected from an acrylic resin, a methacrylic resin, an epoxy resin, a vinyl resin, a urethane resin and the like. | 10-08-2009 |
20090258965 | FIBER-REINFORCED COMPOSITES AND METHOD FOR THE MANUFACTURE THEREOF - The present invention relates to fiber-reinforced composites, particularly application-oriented composites useful in dental and medical applications/appliances, such as fiber reinforced dental composites, and to a method for the manufacture thereof. Particularly the invention concerns random glass fiber-reinforced restorative composite resins with semi-interpenetrating polymer network matrix and their use in dental applications like cavity fillings, core composites, provisional and semi-permanent crown and bridge composite, cements and adhesives. | 10-15-2009 |
20090264554 | BONE CEMENT COMPOSITION AND METHOD - The disclosure is directed to a composition includes a first component and a second component. The first component includes a poly(methyl methacrylate) (PMMA), a contrast agent, and a radical donor. The second component includes methyl methacrylate (MMA), a radical scavenger, and a polymerization accelerator. The composition has an average setting time of about 13 minutes. The disclosure is further directed to a kit and a method of making the above-mentioned composition. | 10-22-2009 |
20090270527 | CEMENT PRODUCTS AND METHODS OF MAKING AND USING THE SAME - Disclosed are cement products, methods of forming cement using the cement product, and methods of using the cement product in orthopedic and dental applications. Generally, the disclosed cement product includes a first component and a second component. The first component comprises a polymerizable resin comprising ethylenic unsaturated double bond, a suitable glycidyl group and/or a suitable isocyanate group. The second component includes a compound comprising more than one type of amine selected from the group consisting of primary amine, secondary amines, tertiary amines and quaternary amines. Alternatively, the second component includes a compound comprising a suitable mercapto (SH—) group, a hindered amine or a dimethylthiotoluenediamine (DMTDA). Optionally, the cement product includes a filler and/or a bioactive component to promote bone formation. | 10-29-2009 |
20090270528 | RESIN SYSTEMS FOR DENTAL RESTORATIVE MATERIALS - The disclosure provides a new photopolymerizable resin system for dental restorative materials. The resin system utilizes a thiol-ene component as the reactive diluent in dimethacrylate systems. The ternary resin system comprises a thiol monomer, an ene monomer and a dimethacrylate monomer. Use of an off-stoichiometric ratio of thiol:ene functional groups in favor of excess thiols results in enhanced overall functional group conversion, improved polymer mechanical properties, and reduced shrinkage stress of the ternary system when compared to either traditional dimethacrylate or thiol-ene resin systems. | 10-29-2009 |
20090298966 | DENTAL MATERIAL - The dental material contains a polymerizable dental resin of index of refraction n | 12-03-2009 |
20100010115 | Two-paste type dental self-adhesive resin cement - The present invention provides a dental self-adhesive resin cement having clinically-acceptable adherability for various adherends without pre-treatment with primers. Specifically, there is provided the dental self-adhesive composite resin cement comprising:
| 01-14-2010 |
20100016465 | Composite Material Comprising A Water-Or Acid-Releasing Agent - The present invention discloses a composite material comprising one or more fillers and a polymerizable resin base, wherein said one or more fillers comprise at least one filler ingredient, said filler ingredient(s) being present in a metastable first phase and being able to undergo a martensitic transformation to a stable second phase, the volume ratio between said stable second phase and said metastable first phase of said filler ingredient(s) being at least 1.005, and wherein said material further comprises one or more water- or acid- releasing agents; as well as a corresponding method of controlling the volumetric shrinkage of a composite material upon curing. | 01-21-2010 |
20100016466 | Polymerizable dental material - The subject matter of the invention is a radically polymerizable dental material comprising at least two components. A first component of the dental material contains the salt of a CH-acidic compound, and an additional component contains an acid with acidity greater than that of the CH-acidic compound of the first component. Both components contain radically polymerizable monomers. When the two components are mixed, the acid of the second component converts the salt of the CH-acidic compound of the first component into a CH-acidic molecule, and the CH-acidic molecule triggers the radical polymerization of the monomers. In addition to the advantages of CH-acidic compounds in dental materials on the basis of a reactive resin, the invention achieves long-term storage stability as a result of an increase in the proportion of the reactive resin matrix in polymerizable dental materials. | 01-21-2010 |
20100016467 | BONE TREATMENT SYSTEMS AND METHODS - The present disclosure relates to bone cement formulations that have an extended working time for use in vertebroplasty procedures and other osteoplasty procedures together with cement injectors that include energy delivery systems for on-demand control of cement viscosity and flow parameters. The bone cement formulations may include a liquid component having at least one monomer and a non-liquid component including polymer particles and benzoyl peroxide (BPO). The non-liquid component may be further configured to allow controlled exposure of the BPO to the liquid monomer so as to enable control of the viscosity of the bone cement composition. | 01-21-2010 |
20100022681 | Dental compositions comprising cisacrylamides and use thereof - The invention concerns a dental composition comprising bisacrylamides that are polymerizable by free-radical polymerization and by Michael-addition polymerization with amines. The application of polymerization and addition polymerization with amines opens the possibility to completely reacted materials that have no oxygen inhibited layers. The claimed bisacrylamides have an improved hydrolytic stability. | 01-28-2010 |
20100048761 | POLYMERIZABLE MONOMER-CONTAINING COMPOSITION - The present invention provides a composition suitable for a dental composition. The present invention is a composition containing: a polymerizable monomer (A) having an unconjugated carbon chain with at least four carbon atoms bonded continuously, at least two polymerizable groups, and at least two hydroxyl groups; and a water (B). The composition contains 6 to 2000 parts by weight of the water (B) with respect to 100 parts by weight of the whole amount of polymerizable monomer components. When suitable components are added to this composition, the resultant composition can be used suitably for dental materials such as a primer, bonding material, composite resin, and cement. | 02-25-2010 |
20100048762 | COMPOSITION AND DENTAL MATERIAL - The present invention provides a composition that exhibits excellent adhesive properties to tooth structure (particularly dentin) when applied as a dental material. The present invention is a composition containing a polymerizable monomer (A) having an unconjugated carbon chain with at least four carbon atoms bonded continuously, at least two polymerizable groups, and at least two hydroxyl groups, and a bisacylphosphine oxide (B) represented by the following formula (1): | 02-25-2010 |
20100048763 | BONE CEMENT COMPOSITIONS HAVING FIBER-REINFORCEMENT AND/OR INCREASED FLOWABILITY - The present invention relates in general to implantable compositions, and method for preparing same, containing a calcium salt-containing component, optionally demineralized bone, a plurality of discrete fibers, optionally a flow additive, and optionally continuous reinforcing fibers or an array of organized fibers in the form of mesh. Advantageously, the discrete fibers have a specific aspect ratio (length/diameter) from about 50:1 to about 1000:1. The addition of a small amount of discrete fibers and/or the continuous reinforcing fibers or fiber mesh can cause drastic increases in certain mechanical properties including flexural strength, flexural toughness, and/or screw pullout strength. | 02-25-2010 |
20100056664 | DENTAL FILLER, METHOD FOR PRODUCING THE SAME, AND DENTAL COMPOSITE MATERIAL - A dental filler having the optical and/or mechanical properties satisfying the requirements to a dental material, a method for producing the dental filler, and a dental composite material containing the dental filler. The dental filler comprises microparticles of amorphous inorganic oxide constituted by at least silica-based fine particles covered with a composite oxide comprising zirconium, silicon and oxygen. The dental composite material contains the dental filler and a hardenable resin selected from an acrylic resin, a methacrylic resin, an epoxy resin, a vinyl resin and a urethane resin. | 03-04-2010 |
20100056665 | POLYMERIZABLE MONOMER, POLYMERIZABLE COMPOSITION AND DENTAL MATERIAL - The present invention provides a polymerizable composition that imparts excellent adhesive properties with respect to tooth structure (particularly dentin) when applied as a dental material, and provides a polymerizable monomer that is used as a component of the polymerizable composition. The present invention is a compound (A) that is a compound represented by the following formula (1): where G indicates a polymerizable group, m indicates an integer of 2 or more, n indicates an integer of 1 or more, and the sequence order of m units having a polymerizable group and n units having a hydroxyl group is arbitrary. The present invention also is a polymerizable composition containing the compound (A). | 03-04-2010 |
20100063176 | PASTE-TYPE DENTAL CEMENT - To provide a paste-type dental cement capable of being used properly for temporary adhering or temporary filling, a paste-type dental cement, which comprises a phosphoric acid and/or a polymer of α-β unsaturated carboxylic acid, an oxide powder capable of reacting with the phosphoric acid and/or the polymer of α-β unsaturated carboxylic acid, and a water, further includes a liquid not reacting with the oxide powder. | 03-11-2010 |
20100076115 | Compositions For Dental Composites With Tricyclo[5.2.1.02.6]decane Derivatives - Dental composites comprising monomers, crosslinking agents, fillers, and initiators, in which the crosslinking agent comprises more than 50% by weight of the acrylate monomer TCD-DI-HEA, and the cyctotoxicity of the cured composite as determined according to the standard requirements of ISO 10993-5 and DIN EN ISO 7405 is assessed into the category “no cytotoxic potential”. | 03-25-2010 |
20100087565 | Dental Composites with a Low Shrinkage Tension and High Flexural Strength - Dental composite materials based on (meth)acrylate, exhibiting a proportion of TCD monomers in the total composition of 1-15% by weight and the quotient of flexural strength/shrinkage tension is at least 35. | 04-08-2010 |
20100093886 | ORGANIC AND INORGANIC COMPOSITE FILLER - To provide an organic and inorganic composite filler which gives excellent surface smoothness similar to that of a natural tooth, low polymerization shrinkage, high X-ray imaging property and high mechanical strength to a dental restoration material composite, an organic and inorganic composite filler used for a dental restoration material is produced by curing and pulverizing a (meth)acrylate compound including 50 to 80% by weight of a glass powder having a maximum particle diameter of 5 μm or less, an average particle diameter from 0.05 to 2 μm, and X-ray imaging property, and 10 to 40% by weight of a metal compound having an average particle diameter from 0.005 to 0.3 μm and X-ray imaging property at the maximum of 90% by weight in total, where the organic and inorganic composite filler has preferably an average particle diameter from 10 to 30 μm. | 04-15-2010 |
20100105802 | CURABLE COMPOSITION FOR DENTAL PURPOSES - A curable composition for dental use, containing a polymerizable monomer, inorganic particles (A) having irregular shapes and an average particle size of from 1.0 to 5.0 μm, wherein the inorganic particles (A) are surface-treated with a silane coupling agent (a) represented by the formula (I): | 04-29-2010 |
20100144919 | Reactive polymeric nanoparticles (RPNPS) for restoration materials in dentistry - A method is disclosed in which modified and generic dental resins are combined as mixtures with reactive polymeric nanoparticles (RPNPs). Nanoparticles as additives clearly demonstrate that the RPNPs significantly influence the mechanical and shrinkage properties of the matrix and composites. | 06-10-2010 |
20100152318 | DENTAL GLASS COMPOSITION - An aluminosilicate glass composition comprising: (a) 10-35% by weight of silica; (b) 10-35% by weight of alumina; (c) 3-30% by weight of zinc oxide; (d) 4-30% by weight P | 06-17-2010 |
20100168271 | BONE CEMENT AND METHODS OF USE THEREOF - A bone cement comprising an acrylic polymer mixture which is formulated to have a relatively high viscosity for a relatively long window, due to distributions of molecular weights and/or sizes of acrylic beads. | 07-01-2010 |
20100197824 | METHACRYLATE BASED MONOMERS CONTAINING A URETHANE LINKAGE, PROCESS FOR PRODUCTION AND USE THEREOF - The invention relates to a dental composition comprising a monomer or mixture of monomers represented by the following structure | 08-05-2010 |
20100240795 | SELF-ADHESIVE MULTICOMPONENT DENTAL MATERIAL - Curable multicomponent dental material, including a first paste, which contains (i) one or more acid group-free radically polymerizable monomers and (ii) basic filler, and a second paste, which contains (iii) one or more acid group-containing radically polymerizable monomers and (iv) non-basic filler, wherein the multicomponent dental material contains at least one initiator (v) for radical polymerization in at least paste (A) or (B). | 09-23-2010 |
20100249266 | POLYMERIZABLE COMPOSITION - To provide a polymerizable composition having more excellent preservation stability of pastes than a conventional composition using a combination of a copper compound, cumene hydroperoxide, and N-acetylthiourea, and having a polymerization curing time which does not change with time, that is, does not delay or quicken from a time set for a product even though the composition is stored, the polymerizable composition includes a first paste and a second paste, wherein the first paste includes a polymer of α-β unsaturated monocarboxylic acid or α-β unsaturated dicarboxylic acid, water, and a hydroperoxide as a peroxide, and the second paste includes a (meth)acrylate compound not having an acid group, fluoroaluminosilicate glass powder, a thiourea derivative as a reducing material, and a vanadium compound as a polumerization accelerator. | 09-30-2010 |
20100273911 | MULTI-SOLUTION BONE CEMENTS AND METHODS OF MAKING THE SAME - The present invention relates to bone cements and, more particularly, to acrylic-based orthopedic bone cements, their use in spinal applications, and methods for making the same. An embodiment of the present invention provides a method of grafting PMMA brushes on cross-linked PMMA nanospheres comprising at least one of the following steps: performing a hydrolysis reaction of surface methyl ester groups of said cross-linked PMMA nanospheres to form surface carboxylic acid groups of said cross-linked PMMA nanospheres; forming a 2-aminoethyl acrylate compound; coupling said surface carboxylic acid groups of said cross-linked PMMA nanospheres with said 2-aminoethyl acrylate compound to form a coupled compound with an initiating site; and grafting said PMMA brushes onto said initiating site. Another embodiment of the present invention includes an orthopedic bone cement including cross-linked PMMA nanospheres comprising PMMA brushes prepared by this method, and a monomer, wherein polymer to monomer ratio is between about 1:1 and 1.3:1. | 10-28-2010 |
20100292364 | Filler material for crowns, crown material containing same, and method of manufacturing thereof - The present invention provides a composition for crown material including resin and a fine spherized composite glass powder. The fine composite glass powder of the present invention for such a configuration has superior qualities with regard to both sintering and optical characteristics, and can be used as a filler for crown material. | 11-18-2010 |
20100298462 | Self-cure activator - A self curing activator for chemical polymerization of the interface of a dental bonding agent and a self curing or dual curing dental cement or restorative, includes an aryl borate compound, a polymerizable monomer, an optional acidic compound, an amine compound which exhibits a catalytic action, an organic peroxide containing material, and a metal compound wherein said metal compound promotes the decomposition of the organic peroxide. | 11-25-2010 |
20100331445 | Systems For Self-Healing Composite Materials - A composite material precursor composition includes a matrix precursor, a first plurality of capsules including a liquid polymerizer, an activator, and an accelerant. The liquid polymerizer polymerizes when in contact with the activator, and the accelerant is an accelerant for the polymerization of the liquid polymerizer. The composite material precursor may be used to form a composite material that includes a solid polymer matrix, the first plurality of capsules in the solid polymer matrix, the activator in the solid polymer matrix, and the accelerant in the solid polymer matrix. | 12-30-2010 |
20110009521 | Liquid crystalline epoxy nanicomposite material and application thereof - The invention provides an epoxy nanocomposite material for dental therapy, which can be applied to direct or indirect clinical restoration, dental core-post system, and dental brace etc. The epoxy nanocomposite filling material provided by the invention can be polymerized with various curing agents to form the polymer with low shrinkage. | 01-13-2011 |
20110009522 | MATERIAL FOR FILLING BONE DEFECTS AND PRODUCTION METHOD THEREOF - Disclosed is a material for filling bone defects having a three-dimensional steric structure. This material is produced by dissolving or suspending a substance in a solvent to give a solution or slurry, the substance containing a biodegradable resin as a principal component and bearing a siloxane; adding water to the solution or slurry to give a spinning solution, the water having a relative dielectric constant larger than that of the biodegradable resin; subjecting the spinning solution to electrospinning while applying a positive charge to a collector by a voltage supply and grounding a nozzle of a syringe without applying a charge thereto; thereby yielding the material on the collector. | 01-13-2011 |
20110054066 | USE OF POLYMERIZABLE MACROCYCLIC POLYETHERS AND MACROCYCLIC HETEROANALOGOUS POLYETHERS IN DENTAL MATERIALS - Radically polymerizable macrocyclic polyethers or macrocyclic heteroanalogous polyethers, preferably crown ethers, heteroanalogous crown ethers and cryptands for use in dental materials is disclosed. | 03-03-2011 |
20110071234 | Self-Healing dental restorative formulations and related methods - Dental restorative formulations comprising two additives incorporated into the continuous phase of a dental material. One additive contains a capsule with a radical initiator. The other additive contains a capsule with one or more monomers and a radical accelerator. The dental restorative formulation is applied and polymerized to form a composite. When a disturbance occurs in the dental composite, the capsules of the additives rupture so that the radical accelerator of the second capsule decomposes the radical initiator of the first capsule to polymerize the one or more monomers of the second capsule thereby healing the dental composite. The radical accelerator controls the rate of decomposition of the radical initiator. | 03-24-2011 |
20110098374 | BONE CEMENT MIXTURE FOR PRODUCING AN MRT-SIGNALING BONE CEMENT - The invention relates to a bone cement mixture for producing an MRT-signaling bone cement and to an MRT-signaling bone cement produced from said mixture. The bone cement mixture of the invention includes:
| 04-28-2011 |
20110105640 | Bone cement having porous fiber reinforcement - The bone cement matrix consists of three base component parts, which when mixed form a radiopaque rapidly setting bone cement, namely, a powdered or granular low viscosity polymer component; a liquid reactive or polymerizable monomer component; and a reinforcement component consisting of porous ceramic fibers. The ceramic fibers are porous and have a rough outer surface created by the pores and cavity permeating the fibers. The pores, cavities and rough surface of the fibers themselves, provide the mechanical interface for securely bonding the fibers to the polymer component. During polymerization, the polymer component saturates into the pores and cavities of the ceramic fibers creating a positive interdigitation of the polymer and fibers within the cement matrix. | 05-05-2011 |
20110112210 | PMMA PASTE - A PMMA paste is made from a mixture of (A) methyl methacrylate having a methacrylic acid content of less than 1% and a water content of less than 1% and (B) at least one polymethyl methacrylate having a Tg of more than 65° C. and a molar mass of greater than or equal to 200,000 g/mol. The methyl methacrylate fraction is sufficient for the PMMA paste to be autosterile, the weight ratio of (B) to (A) preferably being 10-50% (B) to 50-90% (A). The PMMA paste can be used to produce paste-like one-component bone cements and two-component bone cements. | 05-12-2011 |
20110118380 | Filled Dental Material Based on Polymerizable Dihydroxy-Phenylalanine Derivatives - Polymerizable dental material which contains (a) at least one radically polymerizable compound according to the general formula I | 05-19-2011 |
20110130486 | Materials Based on Radically Polymerizable N,O-Functionalized Acrylic Acid Hydroxamides - The present invention relates to a dental material comprising, relative to the total mass of the material:
| 06-02-2011 |
20110136935 | BONE AND/OR DENTAL CEMENT COMPOSITION AND USES THEREOF - The present invention provides a composition comprising: at least one viscosity-enhancing agent; and at least one macromonomer. In particular, the composition may be a bone cement composition and/or a dental cement composition. The composition may be used in medicine. The composition may be used in orthopedic and/or periodontal applications. The present invention also provides uses of the composition. | 06-09-2011 |
20110144230 | DENTAL MATERIALS USING 2,2,4,4-TETRAMETHYL-1,3-CYCLOBUTANDIOL - Dental compositions and dental products having a resin derived from a cyclic diol such as 2,2,4,4-tetramethyl-1,3-cyclobutandiol. | 06-16-2011 |
20110144231 | Polyalkenoate Cements Having Improved Properties - The invention relates to a polyalkenoate cement for biomedical or dental applications, comprising: a) at least one acidic, phosphorus-based polyalkenoate polymer, b) at least one acid-soluble salt or acid-soluble compound of a multivalent metal, c) at least one non-polymeric acidic phosphorus compound and d) an ion-releasing, finely divided glass which is capable of reacting with components (a), (b) and (c) in the presence of water. | 06-16-2011 |
20110152400 | Composite material, in particular a dental filling material, ultrasonic curing of dental filling materials, and a population of zirconia particles - Example embodiments relate to a composite material exhibiting a low or even negligible volumetric shrinkage upon curing, or even a small expansion (e.g. up to 0.5%), in particular composite materials in the form of dental filling materials. Example embodiments also relate to a method of controlling volumetric shrinkage of a composite material upon curing, and to a method of reconstructing a tooth. Example embodiments also relate to ultrasonic curing of dental filling materials. Example embodiments further relate to a population of zirconia particles and methods for preparing such zirconia particles (e.g. zirconia in the tetragonal phase or zirconia in the cubic phase). The martensitic transformation of the filler ingredients is, e.g., triggered by application of ultrasound or by a chemical trigger. | 06-23-2011 |
20110184083 | PMMA BONE PASTE MIXING APPARATUS AND METHOD - A device is provided with which it is possible to produce poly(methyl methacrylate) bone-cement paste, which is degassed to the greatest extent possible, while avoiding large-volume mixing containers and large cement volumes contained therein. The device includes a tubular hollow body ( | 07-28-2011 |
20110196062 | Fillers and Composite Materials with Zirconia and Silica Nanoparticles - 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. | 08-11-2011 |
20110237705 | TWO-COMPONENT SYSTEM FOR BONE CEMENT - The invention relates to a system for preparing a polymerized bone cement, including two components reacting with each other when they are mixed to form a solid polymer material. The first component may include a biocompatible acrylic polymer and an initiator capable of initiating a polymerization reaction. The second component may include a monomer capable of dissolving an acrylic polymer, a polymerization activator and a polymerization inhibitor, system in which the second component also includes a biocompatible acrylic polymer dissolved in said monomer, identical or different from the polymer of the first component with an average molar mass greater than 1,000,000 g/mol and a residual initiator content of less than 0.1% to form a gel with determined viscosity. Another object of the invention is a composition designed to constitute the second component of as system used to prepare such cement. | 09-29-2011 |
20110245368 | PASTE-TYPE POLYMERIZABLE COMPOSITION - To provide a paste-type polymerizable composition used in a tooth restoration treatment, where the paste-type polymerizable composition has excellent storing stability, has proper polymerization property in the presence of water, and hardly discolors with passage of time after polymerization, the paste-type polymerizable composition consists of a first paste and a second paste, where the first paste includes an ascorbic acid compound (b), (meth)acrylate (d) not having an acid group and a filler (e) not reacting to acid, and the second paste includes a peroxide (a) not having a polymer structure and being compatible with water or dissoluble with water, (meth)acrylate (c) having an acid group, (meth)acrylate (d) not having an acid group, a filler (e) not reacting to acid and water (f). | 10-06-2011 |
20110313078 | PASTE-LIKE BONE CEMENT - A kit is provided based on two pastes designed to produce bone cement with high initial stability and therefore low post-cure. The kit includes a paste A and a paste B, wherein paste A contains (a1) a polymerizable monomer having a pH in water in the range of 5-9, (a2) a filling agent insoluble in (a1), and (a3) a barbituric acid derivative selected from the group consisting of 1,5-disubstituted barbiturates, 1,3,5-trisubstituted barbiturates, and 1,3,5-tetrasubstituted barbiturates, and paste B contains (b1) a polymerizable monomer having a pH in water in the range of 5-9, (b2) a filling agent insoluble in (b1), (b3) a peroxide soluble in (b1), (b4) a heavy metal compound insoluble in (b1) and selected from the group consisting of heavy metal salts and heavy metal complexes, and wherein at least one of the pastes A and B contains a halide salt. | 12-22-2011 |
20120010322 | Dental materials based on dimer acid derivatives with ring opening polymerizable groups - The invention relates to a radically polymerizable monomer of formula (I) | 01-12-2012 |
20120035296 | BONE CEMENT COMPOSITION, BONE CEMENT COMPOSITION KIT AND FORMING METHOD OF BONE CEMENT HARDENED MATERIAL - The invention has as its objects the provision of a bone cement composition, a bone cement composition kit for obtaining the bone cement composition, and a production method of a bone cement hardened material, which are short in doughing time that is a time required to become a state in which a good handling operation can be conducted, and have consequently capable of achieving a high working efficiency by shortening the time required before the handling operation is started. | 02-09-2012 |
20120046385 | BONE CEMENT COMPOSITION AND PRODUCTION METHOD THEREOF, AND KIT FOR PRODUCING THE SAME - The invention has as its objects the provision of a bone cement composition and a bone cement composition kit for obtaining the bone cement composition having bioactivity and capable of forming a hardened material having high mechanical strength practically required, and the provision of a bone cement formed material having both bioactivity and high mechanical strength practically required and a production method thereof. | 02-23-2012 |
20120077901 | DENTAL GLASS IONOMER CEMENT COMPOSITION - To provide a dental glass ionomer cement composition having excellent adhesion strength to a metallic prosthesis. A dental glass ionomer cement composition includes a copolymer (A), a fluoroaluminosilicate glass powder (B) and water (C). The copolymer (A) includes a polymer or copolymer of α-β unsaturated carboxylic acid, or includes a copolymer of α-β unsaturated carboxylic acid and one or more kinds selected from a group of acrylamide, acrylonitrile, methacrylic acid ester, acrylates, vinyl chloride, allyl chloride and vinyl acetate. In the copolymer (A), the number of molecules of α-β unsaturated carboxylic acid occupies 50% or more of the total number of molecules. The dental glass ionomer cement composition further includes a compound (D) which contains a sulfur atom in one molecule, includes a carboxylic group and an amino group and does not include a polymerizable group. | 03-29-2012 |
20120083550 | Composite Material Comprising a Monomer with a Polyalicyclic Structure Element as a Sealing Material - 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. | 04-05-2012 |
20120136089 | Dental materials Using 2,2,4,4-Tetramethyl-1,3-Cyclobutandiol - Dental compositions and dental products having a resin derived from a cyclic diol such as 2,2,4,4-tetramethyl-1,3-cyclobutandiol. | 05-31-2012 |
20120136090 | FIBER WADDING FOR FILLING BONE DEFECTS - A fiber wadding for filling bone defects having a flocculent three-dimensional structure is disclosed. The fiber wadding includes a plurality of fibers that contain a biodegradable resin as a principal component and a siloxane. Outside diameter of the plurality of fibers of the wadding is from about 0.05 μm to about 30 μm. Bulk density of the fiber wadding is about 0.005-0.3 g/cm | 05-31-2012 |
20120142811 | BONE CEMENT COMPOSITION - A bone cement composition contains (a) the product of a polymerisation reaction between a high molecular weight dimethacrylate monomer having a molecular weight of at least 250 and bearing at least one hydrophilic group, a monofunctional methacrylate monomer having a molecular weight of not more than 250 bearing at least one hydrophilic group, an methacrylate monomer, and a polymer having a molecular weight of at least 200,000, and (b) an inorganic filler which is present in an amount of at least about 40% by weight, based on the total weight of the cement composition. | 06-07-2012 |
20120149801 | DENTAL COMPOSITION - An aqueous dental glass ionomer composition comprising (a) a reactive particulate glass, and (b) a linear or branched polymer comprising acidic groups, which is reactive with the particulate glass in a cement reaction, whereby the linear or branched polymer comprising acidic groups has a polymer backbone and optionally pendant side chains, (c) optionally dispersed nanoparticles, and (d) optionally a low molecular compound, characterized in that the glass ionomer composition comprises —S | 06-14-2012 |
20120196952 | POLYMERIZABLE COMPOSITION AND DENTAL MATERIAL - The present invention provides a polymerizable composition that is suitably used as a temporary cement for implant use and a mobile tooth-fixing material. The present invention is a polymerizable composition that includes an acrylic block copolymer (a) having at least one polymer block A that mainly contains a (meth)acrylic acid ester unit and that functions as a hard segment and at least one polymer block B that mainly contains an acrylic acid ester unit and that functions as a soft segment, a polymerizable monomer (b), and a polymerization initiator (c). | 08-02-2012 |
20120208917 | Dental restorative material based on an antimicrobially active compound - The invention relates to a dental restorative material which comprises (a) at least one antimicrobially active compound of Formula (I) | 08-16-2012 |
20120214900 | DENTAL COMPOSITION - An aqueous dental glass ionomer composition comprising (a) a reactive particulate glass, (b) a linear or branched polymer comprising acidic groups, which is reactive with the particulate glass in a cement reaction, whereby the linear or branched polymer comprising acidic groups has a polymer backbone and optionally pendant groups, (c) optionally dispersed nanoparticles comprising grafted linear or branched polymer chains comprising acidic groups, and having a polymer backbone characterized in that a polymer backbone of the linear or branched polymer of component (b) and/or, if present, the grafted Sinear or branched polymer chains of component (c) are obtainable a process comprising (i) cyclopolymerizing or cyclocopolymerizing one or more compounds of the following formula (I). | 08-23-2012 |
20120220691 | PROCESS FOR THE SYNTHESIS OF METHACRYLATE-DERIVATIZED TYPE-1 COLLAGEN AND DERIVATIVES THEREOF - Methods for synthesizing a methacrylate-derivatized type-I collagen in which methacrylic acid is reacted with a carboxylic acid activating reagent in the presence of a carbodiimide to form a methacrylic acid with an activated carboxylic acid group, which is then reacted with free amino groups on type-I collagen to form a collagen methacrylamide. Methacrylate-derivatized collagen, cross-linked collagens formed therefrom and products containing the cross-linked collagen are also disclosed. | 08-30-2012 |
20120238662 | DENTAL COMPOSITION - Dental cement composition comprising a polymerizable polyacidic polymer having repeating units in the polymer backbone, which are represented by the following formula (I)1 (II), and/or (III): wherein X represents O, S, or NR′, whereby R′ represents a hydrogen atom or a straight or branched C | 09-20-2012 |
20120259034 | PROCESS FOR THE PREPARATION OF A COMPOSITION COMPRISING HYPERBRANCHED COMPOUNDS - A process for the preparation of a composition comprising hyperbranched polymeric compounds, which comprises a step of reacting a mixture comprising one or more compounds of the following formula (I): AR(B) | 10-11-2012 |
20120277343 | DENTAL FILLERS, METHODS, COMPOSITIONS INCLUDING A CASEINATE - 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. | 11-01-2012 |
20120296005 | MEDICAL RESIN COMPOSITION, MANUFACTURING PROCESS THEREFOR AND MEDICAL KIT - A medical resin composition, particularly a dental resin composition is produced by mixing a polymer (A) containing 70% by weight or more of methyl methacrylate units and a liquid of a monomer (B) containing 70% by weight or more of a compound (b1) represented by formula (1): | 11-22-2012 |
20120302662 | DENTAL RESTORATIVE MATERIAL - A dental restorative composition is provided that includes a polymerizable resin, a substantially translucent structural filler, a nanofiller having a mean particle size less than 100 nm, and at least one rheology-modifying additive. In one embodiment, the structural filler has a refractive index substantially similar to that of the polymerizable resin, a coarse particle fraction, and a fine particle fraction having a mean particle size greater than 0.1 μm and smaller than the mean particle size of the coarse particle fraction. The relative ratio of the coarse particle fraction to the fine particle fraction is in the range from about 12:1 to about 2:1 by volume, the particle size distribution of each fraction is essentially monomodal, and the D(90) of the fine particle fraction is less than or equal to the D(10) of the coarse particle fraction. | 11-29-2012 |
20130012615 | ONE-PART DENTAL ADHESIVE COMPOSITION - The present invention provides a one-part dental adhesive composition that exhibits excellent adhesive property and bond durability to a tooth structure (particularly dentin) and has high stability to ambient light, in which respective components have been mixed uniformly. The present invention is a one-part dental adhesive composition including a polymerizable monomer (A) having an acidic group, a polymerizable monomer (B) having a fluorocarbon group represented by the general formula (1), water (C), and a polymerization initiator (D). A content of the polymerizable monomer (A) having an acidic group is 5.5 to 35 parts by weight in 100 parts by weight of the total amount of polymerizable monomers. (In the formula, R | 01-10-2013 |
20130023600 | DENTAL COMPOSITIONS CONTAINING SHORT-CUT FIBERS - The dental composite includes a resin base and a combination of a short-cut fiber filler and a particulate filler. The short-cut fibers may be made of a glass or a polymer, and may have an average length of about 2 mm to about 6 mm. The particulate filler includes a ground structural filler, which consists of particles having an average particle size of between about 0.05 μm and about 0.5 μm, and a microfiller, which consists of particles having a mean particle size of about 0.04 μm or less. The cured dental composite provides high strength, an improved wear resistance, a dramatically improved fracture resistance and a high gloss retention in simulated extended clinical wear. | 01-24-2013 |
20130023601 | Dental Composition Comprising A Calcium Source - The present invention relates to cements useful in dental applications, and more particularly to dental compositions which may release calcium ions, which may comprise at least one of salicylic acid ester derivative and a calcium source. The present invention further relates to the use of at least one of salicylic acid ester derivative and a calcium source for producing a dental composition, having biological properties and which may release calcium ions for use in dental procedures of intermediate restorations and channel filling. | 01-24-2013 |
20130059941 | METHOD OF SURFACE TREATING INORGANIC OXIDE PARTICLES, HARDENABLE DENTAL COMPOSITIONS, SURFACE TREATED PARTICLES, AND SURFACE TREATMENT COMPOUNDS - Presently described are methods of surface treating inorganic oxide particles, hardenable (e.g. dental) compositions comprising a polymerizable resin composition and surface treated particles, as well as surface treated (e.g. nanocluster) inorganic oxide particles, and silane surface treatment compounds. In one embodiment, the method comprises forming a surface treatment compound by reacting a first functional group of a (meth)acrylate monomer having a molecular weight of at least 350 g/mole with a second functional group of a silane compound wherein the first and second functional group react to form a covalent bond; and combining the surface treatment compound with inorganic oxide particles. | 03-07-2013 |
20130158157 | COMPOSITE FILLER PARTICLES AND PROCESS FOR THE PREPARATION THEREOF - A process for the preparation of composite filler particles, comprising: (a) coating a particulate filler having a median particle size (D50) of from 1 to 1200 nm; (b) agglomerating the coated particulate filler, for providing a granulation of the coated particulate filler wherein the granulation contains the coated particulate filler particles whereby the at least one coating layer may be crosslinked by crosslinking groups obtained by reacting the reactive groups and optionally a further crosslinking agent. | 06-20-2013 |
20130158158 | Paste-Like Bone Cement - The present invention relates to a kit comprising at least two pastes, A and B. Paste A contains at least one monomer for radical polymerisation; and at least one barbituric acid derivative as polymerisation initiator. Paste B contains at least one monomer for radical polymerisation; and at least one heavy metal compound as polymerisation accelerator that is selected from heavy metal salts and heavy metal complexes. Paste B contains less than 0.01% by weight, relative to the total weight of paste B, of a peroxide; at least one of the pastes A and B contains-at least one filling agent that is poorly soluble or insoluble in the monomer for radical polymerization in either paste A or B respectively; and at least one of the pastes A and B contains at least one inorganic halide salt. | 06-20-2013 |
20130197126 | Paste-Like Bone Cement - The present invention relates to a paste, a kit, and the use of the paste for mechanical fixation of articular endoprostheses. The paste contains at least one polymer for radical polymerisation, at least one polymer that is soluble in at least one monomer for radical polymerisation, and at least one filling agent that is poorly soluble or insoluble in at least one monomer for radical polymerisation, whereby the filling agent is a particulate cross-linked polymethacrylate produceable through polymerisation of methacrylic acid esters, whereby | 08-01-2013 |
20130210960 | CALCIUM PARTICLE-EMBEDDED, SNAP-TO-DOUGH, HIGH-VISCOSITY BONE CEMENT - The present invention relates to a composition comprising: a) a first component comprising a poly(methyl met 5 hacrylate) (PMMA), a contrast agent, a radical donor and calcium based particles; and b) a second component comprising methyl methacrylate (MMA), a radical scavenger, and a polymerization accelerator; wherein the composition has an average setting time of about 13 minutes. | 08-15-2013 |
20130225716 | Acid-neutralizing Resins and Hardenable Dental Compositions Thereof - Disclosed herein are acid-neutralizing polymerizable and/or non-polymerizable resins, methods of making such resins, and dental compositions having such resins. | 08-29-2013 |
20130261217 | Methods, Materials and Apparatus for Treating Bone and Other Tissue - A bone cement comprising a first component and a second component, wherein contacting the first component and the second component produces a mixture which attains a high viscosity an initial period and the viscosity of the mixture remains relatively stable for a working time of at least 5 minutes after the initial setting period, and the mixture is suitable for in-vivo use. | 10-03-2013 |
20130261218 | POLYMERIZABLE DENTAL COMPONENTS WITH IMPROVED USAGE PROPERTIES, METHODS FOR ADJUSTING THE USAGE PROPERTIES OF POLYMERIZABLE DENTAL COMPOSITES, AND DENTAL COMPOSITES OPTIMIZED ACCORDING TO SAID METHODS - Method for adjusting or improving or optimising the usage properties of filler(s)-containing, flowable dental material, which involves relating to at least one measuring value representing the tackiness to at least one measuring value representing the texturing or plasticity or consistency. Flowable, usage-optimised, usually non-polymerised dental composites contain, as fillers, at least one glass filler and at least one filler from the group of chipped polymers or pre-polymer fillers based on ground polymer that is pre-polymerised together with inorganic particles, and, as additive(s), | 10-03-2013 |
20130281566 | Paste-Like Bone Cement - The present invention relates to a kit comprising a paste A and a paste B, whereby | 10-24-2013 |
20130303655 | DENTAL COMPOSITION, METHOD OF PRODUCING AND USE THEREOF - The invention relates to a dental composition having
| 11-14-2013 |
20130310481 | DENTAL CEMENT COMPOSITION - A dental cement composition comprising more than 50% by weight Portland cement, and characterized in that it further comprises a polymer selected from styrene, vinyl, and acrylic polymers carrying a sulfonate function. | 11-21-2013 |
20130338252 | Dental Composition - Dental cement composition comprising a polymerizable polyacidic polymer having repeating units in the polymer backbone, a polymerizable monomer having at least one polymerizable functional group; a radical polymerization initiator. | 12-19-2013 |
20140024739 | PASTE-LIKE BONE CEMENT - Paste containing at least one monomer for radical polymerization, at least one polymer that is soluble in said at least one monomer for radical polymerization, and at least one filling agent that is poorly soluble or insoluble in said at least one monomer for radical polymerization, wherein the filling agent is a particulate inorganic filling agent possessing a BET surface of at least 40 m | 01-23-2014 |
20140031451 | PASTE-LIKE BONE CEMENT - A paste contains at least one monomer for radical polymerisation, at least one polymer that is soluble in said at least one monomer for radical polymerisation, and at least one filling agent that is poorly soluble or insoluble in said at least one monomer for radical polymerisation. The filling agent is a particulate inorganic calcium salt comprising the following properties: at least 90% by weight of the particulate inorganic calcium salt have a particle size of less than 63 μm, as determined by means of sieve analysis; and the solubility in water of the particulate inorganic calcium salt at 20° C. is less than 8.5 g per litre. A kit and the paste is usable for mechanical fixation of articular endoprostheses, for covering skull defects, for filling bone cavities, for femuroplasty, for vertebroplasty, for kyphoplasty, for the manufacture of spacers or for the production of carrier materials for local antibiotics therapy, as well as a form body. | 01-30-2014 |
20140031452 | SILICIC ACID CONDENSATES HAVING A LOW DEGREE OF CROSS-LINKING IN A POLYMER MATRIX - A material or biomaterial comprising silicic acid condensates having a low degree of cross-linking, and methods for its production are subject-matter of the invention. A method for the production of silicic acid structures having a low degree of cross-linking is disclosed, wherein a sol is produced, wherein further condensation is prevented when specific cross-linking of the silicic acid is reached, wherein, preferably, structures having a size of 0.5-1000 nm are produced, e.g. polyhedral structures or aggregates of the same. Further condensation can be prevented by means of mixing with a polymer. In one embodiment, this comprises nano-structured, silicon dioxide (SiO | 01-30-2014 |
20140039088 | DENTAL COMPOSITION - Dental composition comprising (i) a particulate filler; (ii) a polymerizable hydrolysis-stable compound of the following formula (1) AX | 02-06-2014 |
20140051782 | PROCESS FOR PRODUCING A DENTAL FILLER - A process for producing a particulate dental filler in which a dental particulate inorganic material is admixed with a curable organic monomeric material containing acrylate groups to produce a suspension in a liquid. The suspension is spray dried to produce an atomized powder and the monomeric material is cured. | 02-20-2014 |
20140135418 | POLYMETHYLMETHACRYLATE BONE CEMENT - The subject matter of the invention is a curable composition for use as bone cement, in particular for augmentation of osteoporotic bone tissue, comprising at least one organic polymer and at least one monomer for radical polymerisation, at least one particulate inorganic additive having a BET surface of at least 40 m | 05-15-2014 |
20140200288 | DENTAL COMPOSITIONS BASED ON POLYMERIZABLE RESINS CONTAINING ISOSORBIDE - Disclosed herein are polymerizable dental materials and dental products based upon such materials. More particularly, disclosed are materials and products based upon BPA-free, polymerizable resins that are derived from 1,4:3,6-dianhydro-glucidol (isosorbide). | 07-17-2014 |
20140213688 | Absorbable Multi-Putty Bone Cements and Hemostatic Compositions and Methods of Use - The present invention relates to absorbable polyurethane compositions suitable for use in bone repair or reconstruction. The present invention relates to the field of polyurethane-based cements, and putties for use in bone hemostasis, repair and reconstruction. The putty compositions may comprise a mixture of two or more individual putties formed through mixing of one or more reactive components and one or more additive (filler) components. Also disclosed herein are methods of using the putty compositions in medical applications to repair gaps or fractures, or to aid in tissue growth or adhesion. | 07-31-2014 |
20140296369 | DENTAL GYPSUM POWDER - Provided is a dental gypsum powder having flowability, setting time, and strength of a set material that are suitable for producing a dental model. The dental gypsum powder contains 100 parts by weight of gypsum hemihydrate, 2 to 4 parts by weight of gypsum dihydrate, from 0.5 to 3 parts by weight of potassium sulfate, from 0.05 to 0.8 parts by weight of a polycarboxylate water reducing agent, and not contain more than 0.3 parts by weight of other additives. It is preferred that the amount of the polycarboxylate water reducing agent is from 0.15 to 0.3 parts by weight per 100 parts by weight of gypsum hemihydrate, and the amount of the potassium sulfate is from 25% by weight to the same amount of the amount of the gypsum dihydrate. | 10-02-2014 |
20140303275 | PASTE FOR PRODUCING BONE CEMENT - A paste is provided from which bone cement can be formed, which is to the largest extent possible bubble-free and has a high impact strength. The paste includes (i) 15-50 weight percent of at least one mono-functional, hydrophobic methacrylic acid ester, (ii) 40-85 weight percent of at least one filler, (iii) 0.01-4 weight percent of at least one radical initiator soluble in the methacrylic acid ester (i) and having at least one peroxide group, (iv) 0.01-4 weight percent of at least one radical initiator soluble in the methacrylic acid ester (i) and having no peroxide groups, (v) 0.000001-3 weight percent of at least one accelerator soluble in the methacrylic acid ester (i) and capable of forming radicals from the radical initiators according to (iii) and (iv), (vi) 0.001-5 weight percent of at least one halide salt, and (vii) 0.2-3 weight percent of at least one cross-linking agent. | 10-09-2014 |
20140323607 | COMPOSITION OF NANOCOMPOSITE CONTAINING GRAPHENE SHEETS - A novel nanocomposite having graphene sheets is described. The nanocomposite may be used for medical devices such as bone cement, dentures, paper, paint and automotive industries. A novel Microwave irradiation (MWI) was used to obtain R-(GO-(STY-co-MMA)). The results indicate that the nanocomposite obtained using the MWI had a better morphology and dispersion with enhanced thermal stability compared with the nanocomposite prepared without MWI. An average increase of 136% in hardness and 76% in elastic modulus were achieved through the addition of only 2.0 wt % of RGO nanocomposite obtained via the MWI method. | 10-30-2014 |
20140329929 | DENTAL MATERIALS BASED ON MONOMERS HAVING DEBONDING-ON-DEMAND PROPERTIES - The invention relates to a dental restorative material which comprises a thermolabile or photolabile polymerizable compound of Formula I: | 11-06-2014 |
20140336304 | Durable dental material with improved transparent properties - A dental material comprising (a) at least one curable monomer and/or polymer component, and (b) at least one filler component comprising agglomerated oxide particles having a matrix and a doping component, whereby the matrix contains silicon dioxide and the doping component comprises zirconium dioxide, whereby the agglomerated oxide particles are incorporated into the cured polymer matrix of the dental material and are abraded only in layers together with the polymer matrix of the dental material during an abrasion process and do not chip away as individual, intact particles. Moreover, the cured dental material possesses high transparency. | 11-13-2014 |
20140357753 | POLYMER CEMENTS USED FOR FIXING PROSTHESES, FOR BONE REPAIR AND FOR VERTEBROPLASTY, AND OBTAINED FROM LIQUID SINGLE-PHASE FORMULATIONS - The invention relates to a process for preparing cements used for reparative or reconstructive bone surgery, in particular for fixing prostheses, for bone repair and for vertebroplasty, and obtained from liquid single-phase formulations. It also relates to the cements prepared from these single-phase formulations and to a device for injecting them. | 12-04-2014 |
20140357754 | CEMENT PRODUCTS AND METHODS OF MAKING AND USING THE SAME - Disclosed are cement products, methods of forming cement using the cement product, and methods of using the cement product in orthopedic and dental applications. Generally, the disclosed cement product includes a first component and a second component. The first component comprises a polymerizable resin comprising ethylenic unsaturated double bond, a suitable glycidyl group and/or a suitable isocyanate group. The second component includes a compound comprising more than one type of amine selected from the group consisting of primary amine, secondary amines, tertiary amines and quaternary amines. Alternatively, the second component includes a compound comprising a suitable mercapto (SH—) group, a hindered amine or a dimethylthiotoluenediamine (DMTDA). Optionally, the cement product includes a filler and/or a bioactive component to promote bone formation. | 12-04-2014 |
20140371341 | DENTAL MATERIALS BASED ON COMPOUNDS HAVING DEBONDING-ON-DEMAND PROPERTIES - The invention relates to a dental restorative material which comprises a thermolabile compound of Formula I: | 12-18-2014 |
20140371342 | DENTAL RESTORATIVE MATERIAL - A dental restorative composition is provided that includes a polymerizable resin, a substantially translucent structural filler, a nanofiller having a mean particle size less than 100 nm, and at least one rheology-modifying additive. In one embodiment, the structural filler has a refractive index substantially similar to that of the polymerizable resin, a coarse particle fraction, and a fine particle fraction having a mean particle size greater than 0.1 μm and smaller than the mean particle size of the coarse particle fraction. The relative ratio of the coarse particle fraction to the fine particle fraction is in the range from about 12:1 to about 2:1 by volume, the particle size distribution of each fraction is essentially monomodal, and the D(90) of the fine particle fraction is less than or equal to the D(10) of the coarse particle fraction. | 12-18-2014 |
20150038614 | POWDER-LIQUID DENTAL CURABLE MATERIAL KIT - A powder-liquid dental curable material kit composed of (A) a liquid material and (B) a powder material, wherein the liquid material (A) contains (a1) a radically polymerizable (meth)acrylic monomer, (a2) an organic halogen compound and (a3) a radical chain transfer agent; the powder material (B) contains (b1) non-crosslinked resin particles, (b2) a pyrimidinetrione compound and (b3) an organic metal compound; and (Z) a peroxide is blended in at least one of the liquid material (A) and the powder material (B). This curable material kit is capable of reducing the heat generation during the curing of a curable material which is a mixture of the liquid material (A) and the powder material (B) and is not susceptible to the excessive prolongation of the curing time even when the curable material is cured by a brush-on technique, thereby ensuring an appropriate curing time for both of a brush-on technique and a kneading technique. | 02-05-2015 |
20150094396 | DENTAL CURABLE COMPOSITION CONTAINING PARTICLES WITH DIFFERENT REFRACTIVE INDEXES - A single-paste, self-adhesive dental curable composition that has strong self-adhesion to biological hard tissues (such as enamel and dentin of teeth) and good color tone adaptability suitable for use for aesthetic restoration is provided. A dental curable composition contains: an inorganic particle (A) with an average grain size in the range of 0.1 to 50 μm; an inorganic particle (B) with an average grain size in the range of 0.1 to 50 μm; a polymerizable monomer (C); and a polymerization catalyst (D). The refractive index na of the inorganic particle (A) and the refractive index nb of the inorganic particle (B) meet the relationship of na>nb. A cured resin material (E), which is obtained by curing a polymerizable composition containing the polymerizable monomer (C) and the polymerization catalyst (D), has a refractive index ne that meets the relationship (1): | 04-02-2015 |
20150094397 | POLYMERIZABLE DENTAL MATERIAL - The subject matter of the invention is a radically polymerizable dental material comprising at least two components. A first component of the dental material contains the salt of a CH-acidic compound, and an additional component contains an acid with acidity greater than that of the CH-acidic compound of the first component. Both components contain radically polymerizable monomers. When the two components are mixed, the acid of the second component converts the salt of the CH-acidic compound of the first component into a CH-acidic molecule, and the CH-acidic molecule triggers the radical polymerization of the monomers. In addition to the advantages of CH-acidic compounds in dental materials on the basis of a reactive resin, the invention achieves long-term storage stability as a result of an increase in the proportion of the reactive resin matrix in polymerizable dental materials. | 04-02-2015 |
20150126640 | GERMANIUM-BASED GLASS POLYALKENOATE CEMENT - Disclosed herein are compositions and methods for making germanium-based glass polyalkenoate cements. Also disclosed are methods for their use as bone cements for bone augmentation procedures. | 05-07-2015 |
20150126641 | POLYMERIZABLE COMPOSITION AND DENTAL MATERIAL - The present invention provides a polymerizable composition that is suitably used as a temporary cement for implant use and a mobile tooth-fixing material. The present invention is a polymerizable composition that includes an acrylic block copolymer (a) having at least one polymer block A that mainly contains a (meth)acrylic acid ester unit and that functions as a hard segment and at least one polymer block B that mainly contains an acrylic acid ester unit and that functions as a soft segment, a polymerizable monomer (b), and a polymerization initiator (c). | 05-07-2015 |
20150297467 | DENTAL COMPOSITION - An aqueous dental glass ionomer composition comprising (a) a reactive particulate glass, and (b) a linear or branched polymer comprising acidic groups, which is reactive with the particulate glass in a cement reaction, whereby the linear or branched polymer comprising acidic groups has a polymer backbone and optionally pendant side chains, (c) optionally dispersed nanoparticles, and (d) optionally a low molecular compound, characterized in that the glass ionomer composition comprises—S.sub.xH groups, wherein x is an integer of from 1 to 6, which crosslink the particulate glass and/or the linear polycarboxylic acid and/or the optional dispersed nanoparticles and/or the optional low molecular compound. | 10-22-2015 |
20150342841 | POLYSILOXANE COMPOUND AND DENTAL MATERIALS THAT CAN BE PREPARED FROM IT - The invention relates to a polysiloxane compound comprising specific siloxane units, curable dental materials comprising one or more than one polysiloxane compound according to the invention, cured dental materials obtainable from the curable dental materials according to the invention, a method for preparation of polysiloxane compounds according to the invention, a method for preparing curable polysiloxane compounds according to the invention and a method for preparing cured dental materials according to the invention. | 12-03-2015 |
20160015854 | VACUUM MIXING SYSTEM AND METHOD FOR THE MIXING OF POLYMETHYLMETHACRYLATE BONE CEMENT - A vacuum mixing system for the mixing of polymethylmethacrylate bone cement comprising at least one cartridge ( | 01-21-2016 |
20160030299 | DENTAL CURING COMPOSITION - The present invention relates to a dental curing composition to restore a lost portion of a tooth generated due to dental caries, tooth fracturing, etc. | 02-04-2016 |
20160038382 | DENTAL CURABLE COMPOSITION - The present invention relates to providing a dental curable composition that, when cured, has high metal ion release ability and highly durable physical properties. The dental curable composition of the present invention includes: a sugar compound having an —XM group, where —X is an acid anion group and M is a metal cation; and a curable component. | 02-11-2016 |
20160058906 | BONE TREATMENT SYSTEMS AND METHODS - The present disclosure relates to bone cement formulations that have an extended working time for use in vertebroplasty procedures and other osteoplasty procedures together with cement injectors that include energy delivery systems for on-demand control of cement viscosity and flow parameters. The bone cement formulations may include a liquid component having at least one monomer and a non-liquid component including polymer particles and benzoyl peroxide (BPO). The non-liquid component may be further configured to allow controlled exposure of the BPO to the liquid monomer so as to enable control of the viscosity of the bone cement composition. | 03-03-2016 |
20160113847 | RESIN REINFORCED ZINC POLYCARBOXYLATE TEMPORARY CEMENT COMPOSITIONS AND RELATED KITS AND METHODS - Dental cement compositions (including two-part compositions), kits, and related methods are used for bonding a dental prosthetic appliance to a tooth. A first part includes an amine activator component and a zinc oxide reactive filler, while a second part includes a polymerization initiator (e.g., benzoyl peroxide) and a polymerizable component having a structure including at least one acrylate or methacrylate group at one end and a carboxylic acid group at another end. A temporary cement composition advantageously exhibits reduced compressive and/or bonding strength relative to permanent cement compositions, which provides sufficient strength to facilitate normal use of the teeth while the provisional appliance is in use, while also facilitating easy removal of the provisional appliance for replacement with a permanent appliance at a later time. | 04-28-2016 |
20160128909 | USE OF FREE RADICALLY CURABLE COMPOSITIONS IN ADDITIVE MANUFACTURING METHODS - The present invention relates to the use of free-radically curable compositions, comprising chain-like and/or cyclic and/or cage-type polysiloxanes substituted by free-radically polymerizable groups and having at least 3 silicon atoms and/or mixed forms thereof, disiloxanes substituted by free-radically polymerizable groups, optionally one, two, three or more free-radically curable monomers having no silicon atom, fillers, initiators and/or catalysts for free-radical polymerization, and also further customary additives, in additive manufacturing methods, preferably in stereolithography (SL) and digital light processing (DLP). The present invention further relates to the use of the cured free-radically curable compositions, preferably for production of dental products. | 05-12-2016 |
20160128910 | DENTAL RESTORATIVE MATERIAL - A dental restorative composition is provided that includes a polymerizable resin, a substantially translucent structural filler, a nanofiller having a mean particle size less than 100 nm, and at least one rheology-modifying additive. In one embodiment, the structural filler has a refractive index substantially similar to that of the polymerizable resin, a coarse particle fraction, and a fine particle fraction having a mean particle size greater than 0.1 μm and smaller than the mean particle size of the coarse particle fraction. The relative ratio of the coarse particle fraction to the fine particle fraction is in the range from about 12:1 to about 2:1 by volume, the particle size distribution of each fraction is essentially monomodal, and the D(90) of the fine particle fraction is less than or equal to the D(10) of the coarse particle fraction. | 05-12-2016 |
20160128911 | FREE RADICALLY CURABLE DENTAL COMPOSITIONS - The present invention relates to novel free-radically curable dental compositions, comprising chain-like and/or cyclic and/or cage-type polysiloxanes substituted by free-radically polymerizable groups and having at least 3 silicon atoms and/or mixed forms thereof, disiloxanes substituted by free-radically polymerizable groups, optionally one, two, three or more free-radically curable dental monomers having no silicon atom, fillers, initiators and/or catalysts for free-radical polymerization, and also further customary additives, to the cured dental products formed from the dental compositions of the invention, and to the respective use thereof as dental material, especially as flowable filling composites (called “flow materials”), core buildup materials and luting cements. The invention further relates to a method for producing the dental compositions and to a process for producing a respective dental product. Additionally claimed are inventive kits containing the novel free-radically curable dental compositions. | 05-12-2016 |
20160143818 | DENTAL COMPOSITION - A dental cement hardened by a cement reaction involving the specific polymerizable polyacidic polymer and optionally additional crosslinkable groups, has reduced shrinkage and improved mechanical properties, in particular with regard to flexural strength and fracture toughness. Moreover, the specific polymerizable polyacidic polymer of the present invention contains a high number of acidic groups which is not reduced by the presence of polymerizable moieties, whereby water solubility of the uncured polymer is not impaired by the presence of the polymerizable moieties. | 05-26-2016 |
20160151249 | DENTAL MATERIALS ON THE BASIS OF UREA GROUP-CONTAINING MONOMERS | 06-02-2016 |
20160152795 | DENTAL GLASS-IONOMER CEMENT COMPOSITION AND METHOD OF PREPARING THE SAME | 06-02-2016 |
20160157910 | SYSTEM FOR USE IN BONE CEMENT PREPARATION AND DELIVERY - A system for use in combining two part preparations, such as bone cement, can include a chamber for intermixing liquid and powder components, a container, a vacuum channel, and a filter. The mixing chamber can be configured to hold a non-liquid, polymer powder component of a bone cement. The container can be configured to hold a liquid component of the bone cement. The vacuum channel can direct a partial vacuum to draw the liquid component from the container into the non-liquid component in the mixing chamber to intermix the components and to thereby provide a settable bone cement. | 06-09-2016 |
20160193119 | MULTI-FUNCTIONAL SELF-HEALING DENTAL COMPOSITES, METHODS OF SYNTHESIS AND METHODS OF USE | 07-07-2016 |
20170231873 | TWO-PASTE TYPE SEALER COMPOSITION FOR ROOT CANAL FILLING | 08-17-2017 |
20170231874 | SEALER COMPOSITION FOR ROOT CANAL FILLING | 08-17-2017 |
20170232137 | BONE CEMENT COMPOSITION | 08-17-2017 |
20180021744 | MANUAL MIXER | 01-25-2018 |