Patent application number | Description | Published |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |