| GC Corporation Patent applications |
| Patent application number | Title | Published |
|---|
| 20120083549 | DENTAL SILICONE IMPRESSION MATERIAL COMPOSITION - To provide a silicone impression material having high viscosity of a kneaded material before curing and low hardness after curing. A dental silicone impression material composition includes:
| 04-05-2012 |
| 20120082956 | DENTAL IMPLANTS - A dental implant has a dental implant fixture with a fitting hole at the oral cavity-side end, and an abutment with a fitting portion at one end which is to be fitted, not to be rotatable, in the fitting hole in the dental implant fixture. | 04-05-2012 |
| 20120079961 | COMPOSITION FOR INDICATOR WITH WHICH USED FOR DETECTING PRESSURE POINTS ON DENTURE - An indicator is useful for detecting pressure points on a denture. The indicator is made of a composition that easily adheres to oral mucosa, has a proper viscosity in an oral cavity environment, can be properly spread between an oral mucosa surface and a denture base, and easily specifies an affected part. The composition includes a fatty acid ester having a melting point of 30 to 50° C., a water-soluble high polymer, and a metal oxide. Preferably, the fatty acid is 40 to 95% by weight of the composition, the water-soluble high polymer is 1 to 59% by weight of the composition, and the metal oxide is 0.1 to 50% by weight of the composition. | 04-05-2012 |
| 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 |
| 20120074011 | STOPPER STORAGE CASE - A stopper storage case has openings and drill blade insertion paths. The openings are large enough to allow a spring-like engagement portion of the stopper to pass. Each drill blade insertion path is large enough to allow a drill blade to pass. Concave parts extend from the respective openings to the drill blade insertion paths and can store stoppers of different lengths. Each of the concave parts has a protrusion to be engaged in a groove in the outer peripheral surface of the stopper. Stopper holding overhangs formed at the top of each concave part are elastic enough not to interfere with insertion of the stopper from above into the concave part and removal of the stopper from inside the concave part. | 03-29-2012 |
| 20120059083 | POLYMERIZABLE COMPOSITION - To provide a polymerizable composition excellent in curability under a humid condition such as in an oral cavity, the polymerizable composition includes a first component and a second component, the first component includes cumene hydroperoxide as a peroxide in (meth)acrylate, the second component includes a thiourea derivative as a reductant and a vanadium compound as a polymerization accelerator in (meth)acrylate and the vanadium compound is preferably one or more kinds selected from vanadium acetylacetonate, vanadyl acetylacetonate, vanadyl stearate, vanadium naphthenate, and vanadium benzoyl acetonate. | 03-08-2012 |
| 20120043350 | Dispensing container - A dispensing container according to the invention includes a container body having a rod-like shape, The dispensing container is therefore compact and the user can hold the dispensing container as if the user holds a pen and use the thumb, the index finger, and any other finger to apply pressure to the dispensing container so as to dispense a drug solution. A heat insulating grip is attached to the outer circumferential surface of the container body, whereby heat originating from the body temperature of a finger of the user will not be transferred to the drug solution or volatilize it. No excessive dispensing that is not intended by the user will therefore occur. Since the container body is thin and hence unlikely crashed, the user can make adjustment of the pressure applied by the thumb, the index finger, and any other finger to readily extract a single droplet. | 02-23-2012 |
| 20120028212 | STOPPER HOUSING CASE - In a hard material made stopper housing case to house a plurality of cylindrical stoppers for defining a drill blade entering depth of a dental implant fixture embedding hole at a jawbone when performing a dental implant treatment, the stopper has a spring-like locking part to be locked with a flange part projected from a shank part of a drill, the stopper housing case | 02-02-2012 |
| 20120009538 | Orthodontic Bracket - Provided is an orthodontic bracket that is capable of a more effective three-dimensional motion and particularly an effective motion on the tooth surface. Specifically provided is an orthodontic bracket which comprises a substrate surface that is bonded to the tooth surface and an arch wire retaining portion that is configured to retain an arch wire with the substrate surface as a bottom surface, the orthodontic bracket being connected by the arch wire and continuously applying a stress to individual teeth to thereby straighten a row of teeth, wherein the orthodontic bracket is in an approximately hog-backed cross-sectional shape that is orthogonal to the direction in which the arch wire is stretched with the substrate surface bonded to the tooth surface as the bottom surface, and is provided with a plurality of arch wire through holes respectively for inserting the arch wires into the holes and connecting adjacent orthodontic brackets by the arch wires. | 01-12-2012 |
| 20110247947 | HOUSING CONTAINER FOR IMPLANT FIXTURE - To minimize used titanium materials, a container for an implant fixture has a housing main body | 10-13-2011 |
| 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 |
| 20110244431 | DENTAL HYDRAULIC TEMPORARY SEALING MATERIAL COMPOSITION - 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. | 10-06-2011 |
| 20110244113 | METHOD OF TOOTH SURFACE TREATMENT - The method of tooth surface treatment includes the steps of applying a photopolymerization type dental surface coating material to a smooth surface of an erupted tooth and/or a non-cavitated caries, and thereafter irradiating light on the applied part to polymerize and harden the photopolymerization type dental surface coating material. By applying the photopolymerization type dental surface coating material used in the present invention to the smooth surface of the erupted tooth and/or the tooth before forming a cavity, the smooth surface of the erupted tooth and/or the tooth before forming a cavity can be protected for a long period of time from a dental caries. | 10-06-2011 |
| 20110139651 | HOLDING TRAY - For easy washing and sterilizing of a holding tray for drill bits used in a dental implant operation, a holding tray X includes a tray main body | 06-16-2011 |
| 20110136079 | ABUTMENT FOR DENTAL MAGNETIC ATTACHMENT - To attract a magnet in a denture to a keeper fixed at an embedded implant fixture with a complete closed magnetic circuit and without care to metal allergy, an abutment | 06-09-2011 |
| 20110091836 | DENTAL TEMPLATE - To provide a dental template capable of safely, easily forming an embedding hole for a dental implant fixture at a jawbone and being removed easily after drilling of the embedding hole, the dental template is a hard dental template mounted along an alveolar ridge including at least a lost tooth part and provided with a guide hole | 04-21-2011 |
| 20110077335 | ADHESIVE AGENT FOR SILICONE RUBBER - To afford a higher initial adhesion property, quicker dry and a higher safety for a living body than conventional adhesive agents, an adhesive agent for a silicone rubber, which is used to adhere a silicon rubber to an impression tray or a denture for an impression making or a denture relining in a dental care, includes (A) 99 to 40 weight % of methyl acetate, and (B) 1 to 60 weight % of one kind or more of adhesive imparting agents selected from a silicone resin, a silicone raw rubber, a silicone denatured acrylic resin, a silane coupling agent, an organopolysiloxane having an alkenyl group, an organopolysiloxane having at least two hydrogen atoms in one molecule, and a silicone soluble platinum compound, and may further include (C) 0.1 to 3 weight % of one kind or more of a coloring agent, an antioxidant and a fragrance. | 03-31-2011 |
| 20110077320 | DENTAL RESTORATIVE MATERIAL COMPOSITION - To provide a dental restorative material composition having good surface lubrication and high strength without causing uneven abrasion, a dental restorative material composition includes 10 to 50% by weight of an organic-inorganic composite filler having an average particle diameter of 5 to 60 μm, a (meth)acrylate compound, an inorganic filler having an average primary particle diameter of 0.1 to 0.4 μm, and a photopolymerization initiator, where the organic-inorganic composition is produced by mixing a (meth)acrylate compound and 60 to 90% by weight of an inorganic filler having an average primary particle diameter of 0.1 to 0.4 μm, curing the mixture, and pulverizing the cured material, and a difference between a ratio (% by weight) of the (meth)acrylate compound in the organic-inorganic composite filler and a ratio (% by weight) of the (meth)acrylate compound in the entire composition is within ±5 (% by weight). | 03-31-2011 |
| 20110076770 | CULTURING METHOD OF MESENCHYMAL STEM CELL - To efficiently select and proliferate the mesenchymal stem cells without necessity of an exclusive separating device and a complicated separating operation, mesenchymal stem cells are cultured by seeding at least one of a bone marrow solution, an umbilical cord blood, a peripheral blood, a synovial membrane and an amniotic membrane in a liquid culture medium which is filled in a vessel, includes water as its main components and having a specific gravity between 1.06 and 1.10 g/ml at 37° C., and making a culture at a temperature 37±2° C. on a ceiling side surface of the vessel, preferably the specific gravity being regulated by use of at least one selected from silica fine powder coated by polyvinyl pyrrolidone, a water soluble copolymer of sucrose and epichlorohydrin, and a water soluble compound including a triiodo aromatic ring. | 03-31-2011 |
| 20110076241 | TOOTH COATING COMPOSITION - To provide a tooth coating composition capable of maintaining dental caries preventing effects of CPP-ACP, such as recalcification effect and demineralization-inhibiting effect, for a long period of time, a tooth coating composition is made not to contain water, but to include (a) 0.5 to 20% by weight of a casein phosphopeptide-amorphous calcium phosphate complex (CPP-ACP) and/or a casein phosphopeptide-amorphous calcium fluoride phosphate complex (CPP-ACFP), (b) 5 to 70% by weight of a coating film-forming polymer, (c) 5 to 70% by weight of an organic solvent selected so as to contain alcohol, (d) 0.01 to 10% by weight of a fluorine compound, and (e) 0.1 to 20% by weight of a thickener, the tooth coating composition being used by coating on a tooth. | 03-31-2011 |
| 20110059419 | GINGIVA INCISING DEVICE - To easily incise a gingiva particularly at a tongue side and a lip side of a jawbone formed as a bank shape, a gingiva incising device has a cylinder portion, which is longer than a thickness of a gingiva and has approximately the same diameter as a diameter of a dental implant fixture, at a leading end side of a main body portion having a grip portion at a rear end side, and has a cutting blade portion for incising the gingiva formed on a whole periphery of the leading end of the cylinder portion, and the cutting blade portion has a portion which protrudes gradually from a position closest to the grip portion toward a position away from the grip portion. | 03-10-2011 |
| 20110046256 | TOOTH-ADHESIVE COMPOSITION - To provide a tooth-adhesive composition not causing lowering of preservation stability due to a reaction between a filler having a X-ray imaging property and an acid component in the composition, and not having necessity for mixing and kneading of components separated in two or more packages unlike a conventional case, the tooth-adhesive composition includes (a) a (meth)acrylate compound having an acid group, (b) a filler which is an alumino-silicate glass powder including Sr and/or Ba and/or Ca, and (c) a photopolymerization catalyst, where the filler does not substantially react with the (meth)acrylate compound having an acid group, which is the a) component, by making Al | 02-24-2011 |
| 20110027751 | CAPSULE FOR TOOTH RESTORATIVE MATERIAL - To prevent a bursting sound generated when a mixed and kneaded material obtained by mixing and kneading predetermined amounts of a powder component and a liquid component in a capsule for a tooth restorative material is administrated to a position to be restored in a patient's tooth, the capsule is structured such that a protrusion portion ( | 02-03-2011 |
| 20100300615 | PRODUCTION METHOD OF ORTHODONTIC BRACKET WITH POSITIONING GUIDE - An orthodontic bracket with a positioning guide is produced by thinly coating a first dental photopolymerizable composition | 12-02-2010 |
| 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 |
| 20100248187 | DENTAL ABUTMENT - To provide a dental abutment which is strongly adhered with a gingiva, can prevent invasion of bacteria into the jawbone, and hardly causes bone resorption and soft tissue shrinkage, a dental abutment ( | 09-30-2010 |
| 20100243485 | HOUSING CONTAINER FOR IMPLANT FIXTURE - To minimize titanium materials and accurately and easily fix a dental implant fixture, a housing container includes a glass housing main body, a resin cap, and a resin implant fixture holding member, the cap includes a press part at an inner surface, the implant fixture holding member fits into the bottom side of the housing main body, the implant fixture holding member has, at an upper surface side, three or more groove parts formed radially from a center to an end side, and titanium plate-like guide parts which include, at the center side, projected portions slightly projecting from the upper surface, and include, at the radial end side, erected portions extending up to at least equal to or more than ⅓ of a height from a tip of the dental implant fixture to erect around an outer peripheral surface of the dental implant fixture are inserted in the groove parts. | 09-30-2010 |
| 20100240797 | POLYMERIZABLE COMPOSITION - To provide a dental adhesive composition which does not decrease preservation stability when reacting with acidity for acquiring dental adhesive property, even though using a filler having X-ray imaging property, and does not need the conventional mixing and kneading of two or more components, the dental adhesive composition includes (a) a (meth)acrylate compound having an acid group, and (b) aluminosilicate glass powder containing Sr and/or Ba and/or Ca, and the dental adhesive composition further includes a filler and (c) a photopolymerization catalyst, where the filler does not substantially make a neutralization reaction with the (meth)acrylate compound having an acid group as the (a) component because a filler content is 15% by weight or less in terms of oxide of Al | 09-23-2010 |
| 20100227294 | WAX MODEL BASE FOR ABUTMENT OF DENTAL IMPLANT - For proper fitness of a core portion of an abutment to a patient, a wax model base for an abutment of a dental implant includes an engagement portion | 09-09-2010 |
| 20100216094 | DENTAL IMPLANT FIXTURE - To prevent bacterial infection, a dental implant fixture includes a female screw portion formed from the oral cavity inner side, an embedding male screw portion | 08-26-2010 |
| 20100204421 | INITIATORS IN TWO COMPONENTS, AND POLYMERIZABLE COMPOSITION USING THE SAME - To provide initiators in two components having no discoloring after polymerization and excellent polymerization-curability under the existence of water, and provide a polymerizable composition using the initiators in two components. The initiators in two components is for polymerizing and curing a (meth)acrylate compound, and the initiator includes (a) a peroxide being compatible or soluble with water, (b) an aromatic sulfinic acid compound, (c) a tert-amine compound, and (d) water. The polymerizable composition uses the initiators in two components. Particularly, preferably, the polymerizable composition includes a first component and a second component. The first component comprising (a) a peroxide being compatible or soluble with water, and a (meth)acrylate compound, and the second component includes (b) an aromatic sulfinic acid compound, (c) a tert-amine compound, and (d) water. | 08-12-2010 |
| 20100173265 | METHOD FOR CREATING THREE-DIMENSIONAL DATA OF POSITION OF OUTER PERIPHERY AT OCCLUSAL SURFACE SIDE OF KEEPER WITH RESPECT TO ABUTMENT FOR IMPLANT - A method for creating three-dimensional data of a position of an outer periphery at the occlusal surface side of a keeper includes steps of placing a keeper analog | 07-08-2010 |
| 20100158982 | SHEET FOR GUIDING REGENERATION OF MESENCHYMAL TISSUE AND PRODUCTION METHOD THEREOF - To provide a sheet for guiding regeneration of mesenchymal tissue having improved formability, strength, absorbability and efficiency, the sheet is produced by steps of containing a culture medium in a surface of a porous sheet produced by freezing a bioabsorbable polymer material dissolved with an organic solvent and drying it, seeding a mesenchymal cell grown after taking from biotissue, and differentiating the mesenchymal cell to a mesenchymal tissue precursor cell, where the mesenchymal tissue precursor cell and an extracellular substrate are adhered on the surface of the porous sheet containing a culture medium, and the extracellular substrate is secreted in a process of the mesenchymal cell being differentiated to the mesenchymal tissue precursor cell. | 06-24-2010 |
| 20100143071 | SCREW MEMBER - For certainly handling a screw member, a screw member | 06-10-2010 |
| 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 |
| 20100081113 | DENTAL ROOT CANAL-FILLING COMPOSITION - To provide a dental root canal-filling composition which is generally formed in a point shape, has high strength, is properly deformed so as to afford easy operativity for filling in a root canal, has improved wetting and adhering properties with a root canal-filling sealer and is less deteriored by sterilization or chemical disinfection, the dental root canal-filling composition comprises one or more kinds of polyolefin resins selected from the group of polyethylene, polypropylene, and a copolymer of polyethylene and polypropylene, a styrene block copolymer, one or more kinds of thermoplastic resins selected from the group of ester gum, rosin, an alicyclic saturated hydrocarbon resin, a terpene resin, and an aliphatic petroleum resin, and one or more kinds of inorganic fillers selected from the group of zinc oxide, barium sulfate, zirconium oxide, titanium oxide, ytterbium fluoride, a barium glass, and an aluminosilicate glass. | 04-01-2010 |
| 20100069525 | HYDROPHILIC ORGANOPOLYSILOXANE COMPOSITION FOR USE AS DENTAL IMPRESSION MATERIAL - A hydrophilic organopolysiloxane composition of the hydrosilylation reaction cure type for use as dental impression material is characterized by comprising as essential components (A) a diorganopolysiloxane having at least 0.1 silicon-bonded alkenyl group in a molecule, (B) a liquid or solid organopolysiloxane having average compositional formula (1), comprising SiO | 03-18-2010 |
| 20100068678 | CEMENT FOR SEALER - To provide a dental glass ionomer cement for a sealer to be used for sealing a gap between a gutta-percha point filled in a root canal in a dental root canal treatment and a root canal wall, with a prolonged setting time and with sufficient setting property even in a root canal having much water content, the dental cement for a sealer includes a polymer of α-β unsaturated carboxylic acid, oxide powder capable of reacting with the polymer of α-β unsaturated carboxylic acid, and water, and further includes an organic acid salt of metal selected from Mg, Ca, and Sr and/or a hydroxide of metal selected from Mg, Ca, and Sr. | 03-18-2010 |
| 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 |
| 20100012210 | MIXING TIP - To prevent photo-activation of a photopolymerization catalyst in pastes of an adhesive for a dental bracket in a mixing tip and to enable a dentist to visually confirm the pastes, a mixing tip includes a housing ( | 01-21-2010 |
| 20090325124 | FIXTURE MOUNT FIXING TOOL - To provide a fixture mount fixing tool for preventing damage of a fixture in the storage container, when a fixture mount and the fixture are engaged, the fixture mount fixing tool includes a top part ( | 12-31-2009 |
| 20090299475 | BONE GRAFT SUBSTITUTE - To provide a bone graft substitute having an appropriate absorption period in a living body and high osteoconductivity, the bone graft substitute contains a carbonate apatite and an osteoinductive factor, the osteoinductive factor is preferably at least one kind selected from a group including BMP (a bone morphogenetic protein), GDF (a growth differentiation factor), TGF-β (a transformation growth factor), FGF (a fibroblast growth factor), IGF (an insulin-like growth factor), PDGF (a platelet-derived growth factor), BDNF (a brain-derived nerve growth factor), and NGF (a nerve growth factor), and the bone graft substitute has open pores, preferably having a diameter of 50 to 1000 μm and/or a diameter of 0.001 to 5 μm, with porosity of 20 to 80%. | 12-03-2009 |
| 20090291411 | DETACHABLE STOPPER FOR DENTAL DRILL - To provide a detachable stopper fixed on a spindle part of a dental drill to regulate the depth of an implant fixture embedding hole in an implant treatment, the detachable stopper includes a stopper main body | 11-26-2009 |
| 20090261492 | BLOCK-SHAPED SCAFFOLD FOR TISSUE ENGINEERING AND PRODUCTION METHOD THEREOF - A block-shaped scaffold for a tissue engineering with improved shape stability and less volume change in water is produce by the steps of approximate-uniformly mixing the particle-shaped material having 100 to 2000 μm diameter with a solution, where a biodegradable polymer is dissolved with an organic solvent, freezing, drying it to remove the solvent, pulverizing thus obtained intermediate product, dissolving it with a liquid, where the biodegradable polymer is not dissolved, to remove the particle-shaped material taking thus obtained intermediate product into a mold, and pressing and heating it, the scaffold having ununiform and continuous holes occupying 20 to 80% in a cross-section area in a three-dimensional network structure having a small hole structure with 5 to 50 μm diameter, elastic coefficient being 0.1 to 2.5 MPa, and volume change being 95 to 105% when dipping it in water for 24 hours. | 10-22-2009 |
| 20090247663 | DENTAL SILICONE-BASED FITTING CHECK MATERIAL COMPOSITION - To provide a dental silicone-based fitting check material composition capable of confirming a precise difference of film thicknesses and having a wide confirmation range of the film thicknesses, the dental silicone-based fitting check material includes 100 weight parts of organopolysiloxane having at least two aliphatic unsaturated hydrocarbons in one molecule, 0.1 to 30 weight parts of organohydrogenpolysiloxane having at least three hydrogen atoms directly bonding to silicon atoms in one molecule, 10 ppm to 1 weight parts of a silicone-soluble platinum compound with respect to the total weight of the above two components, 0.05 to 20 weight parts of powdery palladium, 10 to weight parts of an inorganic filler, and 0.01 to 10 weight parts of a pigment selected from phthalocyanine blue, cobalt blue, and ultramarine. | 10-01-2009 |
| 20090246873 | SCAFFOLD FOR TISSUE ENGINEERING AND PRODUCTION METHOD THEREOF - To provide a scaffold for tissue engineering which consists of a bioabsorbable polymer material to be absorbed in a biotissue, and holds strength of the whole scaffold while having a porosity proper for culturing cells inside thereof as well, a method for producing the scaffold for tissue engineering includes steps of dissolving a bioabsorbable polymer material with an organic solvent, drying the solution so as to produce a porous bioabsorbable polymer material having a porosity of 50 to 99%, covering the porous bioabsorbable polymer material with a bioabsorbable polymer material having a thickness of 0.01 to 5 mm, pores of 10 to 3000 μm diameter, a fracture strength of 0.05 to 0.15 MPa, and a volume of 15 to 90% with respect to the whole scaffold. | 10-01-2009 |
| 20090221076 | METHOD OF FABRICATING SHEET FOR CARTILAGE TISSUE REGENERATION - An objective of the present invention is to provide a production method of a sheet for regenerating a cartilage tissue, which uses a conventional sheet-shaped porous body comprising a biological absorbency synthetic high polymer, such as polylactic acid, polyglycolic acid and a copolymer of lactic acid and glycolic acid. The sheet for regenerating the cartilage tissue can differentiate chondrocytes or stem cells without culturing the cells by pressurizing such as a pressurizing culture like the conventional method, and can accumulate the cells in a supporting carrier with high efficiency. The sheet for regenerating the cartilage tissue is produced by the steps of; seeding chondrocytes or stem cells differentiating to the chondrocytes on a sheet-shaped porous body comprising a biological absorbency synthetic high polymer; taking the porous body into a culture liquid; applying acceleration of 100 to 1000 G to the porous body for a predetermined time; and culturing the porous body without applying the acceleration. | 09-03-2009 |
| 20090186412 | POROUS CELL SCAFFOLD AND PRODUCTION METHOD THEREOF - For easily seeding cells in its scaffold, a porous cell scaffold is produced by steps of filling a guiding solution with kinematic viscosity being 50 to 450% of that of a culture medium, in a whole continuous small hole structure having hole diameters of 5 to 3200 μm and an average hole diameter of 50 to 1500 μm, of a sheet-shaped or block-shaped scaffold having a thickness of 2 mm or more, supplying thereafter a culture medium with cells being suspended to an upper side of the scaffold, sucking the guiding solution from a lower side of the scaffold by low suction force, and entering thereby the culture medium with cells being suspended into the whole small hole structure, where a water absorber such as a filter paper is preferably used for sucking the guiding solution by low suction force. | 07-23-2009 |
| 20090122638 | MIXING ELEMENTS OF STATIC MIXER - To provide mixing elements of a Kenix type static mixer capable of decreasing fluids remaining wastefully in a casing without elongation of the casing, the mixing elements are arranged in a casing so that end parts adjacent in an axial direction are connected to cross almost orthogonally, the mixing element includes a partition wall part ( | 05-14-2009 |
| 20090111103 | METHOD FOR MEASURING THE NUMBER OF ORAL LACTOBACILLUS, AND A PCR PRIMERS-PROBE SET USED FOR THE SAME - There is provided a real-time PCR assay capable of measuring the number of | 04-30-2009 |
| 20090087815 | DENTAL IMPLANT ABUTMENT - To provide a dental implant abutment which is attached on the oral cavity inner side of an implant fixture embedded in a jawbone to be an artificial tooth root and pierces a gingiva so as to be a base of an upper structural body in a dental implant treatment to recover a lost oral cavity function of a lost tooth, and which does not remarkably lose aesthetic property when a patient subjected to the dental implant treatment suffers a retraction of gingiva according to bone absorption, the dental implant abutment is made of a ceramic added with a pigment and sintered so as to wholly have a similar color to that of the gingiva, where the similar color to that of the gingiva has L* of 60 to 85, a* of 9 to 20, and b* of −5 to 9 in an index of a color system of L*a*b*. | 04-02-2009 |
| 20090084227 | ROTARY TOOL - For accurate holding, easy attachment and detachment, and sufficient rotation force, a rotary tool has a holding and transmitting part | 04-02-2009 |
| 20090053671 | CHEWING DETERMINATION KIT AND CHEWING DETERMINATION METHOD - To provide a chewing evaluation method capable of easily measuring chewing by an easy method without using a special expensive apparatus, together with a chewing determination kit, the chewing determination kit comprises testing food which contains ascorbic acid, an ascorbic acid derivative, and/or ethanol as detection components, and an indicator reacted with the components, based on a fact that there appears a difference in a leaching out state of components for chewing determination depending on a chewing degree when testing food containing the components for chewing determination is used as a factor which is necessary for chewing determination in a wide sense but lacks in the conventional chewing determination method. | 02-26-2009 |
| 20090029636 | STOPPER FOR CUTTING TOOL - To provide a stopper for a cutting tool capable of getting a correct depth required in a medical treatment field, even if a few kinds of a cutting tool are available, without preparing a many cutting tools, the stopper for a cutting tool is fitted to a rotary shaft of a cutting tool having the rotary shaft, the stopper includes a locking member which has a through hole contacting to the rotary shaft of the cutting tool, a clamping member which is made of a shape memory material, provided at the inner and/or outer side of the locking member and can deform the locking member by its recovering force, and a cutout part reaching to the through hole from an outer peripheral edge thereof in the longitudinal direction of the rotary shaft. | 01-29-2009 |
| 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 |
| 20080283432 | HOUSING CONTAINER FOR FIXTURE - To accurately fix and prevent to damage a fixture, a housing container for a fixture includes a housing main body | 11-20-2008 |
| 20080260652 | COMPOSITION FOR DYEING DENTAL PLAQUE FOR EVALUATING DENTAL CARIES ACTIVITY - An objective of the present invention is to provide a composition for dyeing dental plaque for evaluation of dental caries activity that is capable of simultaneously dyeing dental plaque and evaluating dental caries activity, and which can evaluate thick dental plaque more accurately than the conventional technique. The composition for dyeing dental plaque for evaluation dental caries activity comprises: a blue pigment being dissolved in water and having a color tone not changing at pH 7 or less; a red pigment being dissolved in water at pH more than 4.5 but not dissolved in water at pH 4.5 or less, and having a color tone not changing at pH 4.5 or less; and sugar. The content of sugar is preferably 1 to 50 weight parts to the total of 1 weight part of contents of the blue pigment and the red pigment, and ratio of contents of the blue pigment and the red pigment is preferably 1:3 to 3:1. | 10-23-2008 |
| 20080257760 | CONTAINER FOR FIXTURE - To provide a container for a fixture capable of preventing rotation of a fixture in a container when an implanting instrument is engaged with the fixture, easily engaging them, and easily taking out the fixture, the container to house a fixture X for a dental implant is made to have a main body | 10-23-2008 |
| 20080255266 | DENTAL PASTE COMPOSITION HAVING X-RAY IMAGING PROPERTY - For easier removal after X-ray imaging, simple application, and excellent X-ray imaging properties, a dental paste composition having X-ray imaging property comprises: (a) 3 to 25 wt % of polyhydric alcohol; (b) 0.5 to 10 wt % of a powdery high polymer material dissolved and swelled in the polyhydric alcohol and water; (c) 10 to 30 wt % of water; and (d) 25 to 80 wt % of a powdery X-ray imaging material, the total weight of the polyhydric alcohol (a) and water (c) is 3 to 25 times of the weight of the powdery high polymer material (b), and the composition can be added with (e) 0.01 to 5 wt % of a fluorine compound, and (f) 15 wt % or less of an additive which is one or more kinds selected from a cushion material, a sweetener, a colorant, a preservative, an antiseptic agent, a fungicide, a pH regulator, an expander, and a perfume. | 10-16-2008 |
| 20080253975 | COMPOSITION FOR DYEING DENTAL PLAQUE FOR EVALUATING DENTAL CARIES ACTIVITY - An objective of the present invention is to provide a composition for dyeing dental plaque for evaluation of dental caries activity that is capable of simultaneously dyeing dental plaque and evaluating dental caries activity, and which can evaluate thick dental plaque more accurately than the conventional technique. The composition for dyeing dental plaque for evaluation dental caries activity comprises: a blue pigment being dissolved in water and having a color tone not changing at pH 7 or less; a red pigment being dissolved in water at pH more than 4.5 but not dissolved in water at pH 4.5 or less, and having a color tone not changing at pH 4.5 or less; and sugar. The content of sugar is preferably 1 to 50 weight parts to the total of 1 weight part of contents of the blue pigment and the red pigment, and ratio of contents of the blue pigment and the red pigment is preferably 1:3 to 3:1. | 10-16-2008 |
| 20080249205 | SILICONE COMPOSITION - To provide a silicone composition which does not adhere on a set material mainly including silicone, such as a silicone impression material used in the dental operation field, when being built on the set material mainly including silicone, the silicone composition includes (A) 100 weight parts of organopolysiloxane having at least two aliphatic unsaturated hydrocarbons in one molecule, (B) 0.1 to 50 weight parts of organohydrogenpolysiloxane having at least three hydrogen atoms, which directly bond to a silicon atom, in one molecule and including SiO | 10-09-2008 |
| 20080242756 | DENTAL COMPOSITE RESIN FOR CORE BUILD-UP - To provide a dual curing type composite resin for core build-up having improved curing property by chemical polymerization with improved mechanical strength of a cured body under the condition of no light irradiation and with a shortened setting time, the composite resin is composed of a first component including a (meth)acrylate polymerizable resin and an organic peroxide, and a second component including (meth)acrylate polymerizable resin and a reducing agent, a photopolymerizaton initiator and a filler are included in the first component and/or the second component, and oxide powder of a Group II element in the periodic table having an average particle diameter of 1 μm or less is blended in the first component and/or the second component. | 10-02-2008 |
| 20080241794 | PRODUCTION METHOD OF ZIRCONIA-MADE IMPLANT BRIDGE - To provide a method for producing an implant bridge with zirconia having excellent strength and aesthetic property, so that a zirconia-made implant bridge can be produced with high accuracy by easily processing, the production method of a zirconia-made implant bridge includes the steps of producing a semi-sintered body, producing a precursor of an implant bridge by milling the semi-sintered body, completely sintering the precursor of the implant bridge, and milling to process the completely sintered precursor of the implant bridge to make a fitting part, where a fixture or an abutment is fitted, and/or a through hole for a fastening screw. | 10-02-2008 |
| 20080241411 | SURFACE TREATMENT METHOD OF TITANIUM OR TITANIUM ALLOY - To provide a surface treatment method of titanium or a titanium alloy with a shortened time for deposition of apatite on a material surface after the treatment so that early-stage osseointegration can be expected, and with a higher effect to form a calcium layer than a conventional method using calcium chloride, titanium or a titanium alloy is contacted with a solution of calcium salt except calcium halide being dissolved or suspended. | 10-02-2008 |
| 20080240993 | IMMUNOCHROMATOGRAPHY TEST TOOL - An objective of the present invention is to provide an immunochromatography test tool having high detection sensitivity without leakage of a test solution to a space formed between an edge of a test piece and edge of a lower cover, in an immunochromatography test tool utilizing an antigen-antibody reaction. The immunochromatography test tool includes an upper cover having a test solution dropping window and a test result detection window, a lower cover having a test piece setting guide, and a test piece housed between the upper cover and the lower cover. In the test tool, contact angles of inner surfaces of the upper and lower covers are 60° to 150° with respect to water. The inner surfaces of the upper and lower covers are preferably subjected to a water repellent treatment. | 10-02-2008 |
| 20080232187 | MIXING TIP - For easier and surer fixing to a syringe holder, a mixing tip fixed at two portions of a top end of a syringe holder (X) containing two parallel syringes (Y, Y) comprising: a housing ( | 09-25-2008 |
| 20080220521 | SHEET FOR GUIDING REGENERATION OF MESENCHYMAL TISSUE AND PRODUCTION METHOD THEREOF - To provide a sheet for guiding regeneration of mesenchymal tissue having improved formability, strength, absorbability and efficiency, the sheet is produced by steps of containing a culture medium in a surface of a porous sheet produced by freezing a bioabsorbable polymer material dissolved with an organic solvent and drying it, seeding a mesenchymal cell grown after taking from biotissue, and differentiating the mesenchymal cell to a mesenchymal tissue precursor cell, where the mesenchymal tissue precursor cell and an extracellular substrate are adhered on the surface of the porous sheet containing a culture medium, and the extracellular substrate is secreted in a process of the mesenchymal cell being differentiated to the mesenchymal tissue precursor cell. | 09-11-2008 |
