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Kabushiki Kaisha Shofu patents


Recent patent applications related to Kabushiki Kaisha Shofu. Kabushiki Kaisha Shofu is listed as an Agent/Assignee. Note: Kabushiki Kaisha Shofu may have other listings under different names/spellings. We're not affiliated with Kabushiki Kaisha Shofu, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "K" | Kabushiki Kaisha Shofu-related inventors


Ion sustained-release dental hydraulic temporary sealing material composition

The present invention provides a dental hydraulic temporary sealing material composition on which a protection of tooth substance, such as tooth substance strengthening and control of secondary dental caries, can be expected by sustained-releasing various ions including a fluoride ion, while having a high initial setting ability. More specifically, the present invention provides a dental hydraulic temporary sealing material composition comprising 65.0% to 85.0% by mass of component (1): a hydraulic inorganic powder; 10.0% to 25.0% by mass of component (2): an organic solvent; 3.0% to 15.0% by mass of component (3): a resin; and 0.01% to 10.0% by mass of component (4): an ion sustained-release glass.. ... Kabushiki Kaisha Shofu

Mill blank for dental cad/cam with resin portion contacted with cam device

. . . . To provide a mill blank for dental cad/cam containing a ceramic material for preparing a dental restoration by being installed in a cad/cam device, wherein, the mill blank for dental cad/cam comprises a ceramic portion in which a dental restoration is cut out and a resin portion which joins with a cad/cam device, the mill blank for dental cad/cam has a columnar shape, the resin portion is provided at a side surface of the ceramic portion and has a cylindrical shape or a belt shape, a ceramic portion side of the resin portion contacts with the side surface of the ceramic portion, the ceramic portion has a columnar shape, the ceramic portion has a protrusion part, an upper surface and a bottom surface of the columnar shape of the ceramic portion are parallel to each other, the mill blank for dental cad/cam has at least two recesses which includes a first recess and a second recess in a circumference portion, the first recess and the second recess respectively include a first surface which is parallel to the upper surface and the bottom surface and a second surface which is a circumferential surface concentric with the circumferential surface of the mill blank for dental cad/cam and is vertical to the first surface, and the at least two recesses are formed within the resin portion.. . ... Kabushiki Kaisha Shofu

Mill blank for dental cad/cam with cutout portion for positioning

To provide a mill blank for dental cad/cam for preparing a dental restoration by being installed in a cad/cam device, wherein, the mill blank for dental cad/cam has a columnar shape, the mill blank for dental cad/cam has at least two recesses which includes a first recess opening to an upper surface of the mill blank for dental cad/cam and a second recess opening to a bottom surface of the mill blank for dental cad/cam and at least one notched portion in a circumference portion, the first recess and the second recess respectively include a first surface which is parallel to the upper surface and the bottom surface and a second surface which is a circumferential face concentric with the circumferential face of the mill blank for dental cad/cam and is vertical to the first surface, and the notched portion is composed of a surface parallel to the center axis of the columnar shape of the mill blank for dental cad/cam and contacts with the second surface.. . ... Kabushiki Kaisha Shofu

Mill blank for dental cad/cam with groove not extending over whole of circumference

To provide a mill blank for dental cad/cam for preparing a dental restoration by being installed in a cad/cam device, wherein, the mill blank for dental cad/cam has a substantially columnar shape, the mill blank for dental cad/cam has at least one recess in a circumference portion, the recess does not extend over the whole of the circumference portion of the mill blank for dental cad/cam, and the recess of the mill blank for dental cad/cam is to be engaged with the cad/cam device.. . ... Kabushiki Kaisha Shofu

Dental temporary calcined body having colored inside

To provide a dental temporary calcined body including an inside colored by a coloring material wherein, the inside of the dental temporary calcined body is colored by a coloring liquid containing the coloring material and a penetrant containing a permeating liquid.. . ... Kabushiki Kaisha Shofu

Al2o3-free lithium silicate glass composition

To provide a dental lithium silicate glass composition capable of providing a dental lithium silicate glass ceramic capable of efficiently precipitating the main crystals (lithium disilicate and/or lithium metasilicate) even after heat treatment. To provide a al2o3-free dental lithium silicate glass composition including the following components: sio2: 60.0 to 80.0% by weight, li2o: 10.0 to 17.0% by weight, k2o: 0.5 to 10.0% by weight, zro2: 0.0 to 5.0% by weight, a nucleating agent: 1.0 to 6.0% by weight, a glass stabilizer: 0.0 to 8.0% by weight and a colorant: 0.0 to 10.0% by weight.. ... Kabushiki Kaisha Shofu

Sealer composition for root canal filling

To provide a sealer composition for root canal filling consisting of a liquid material containing a polymer (a) of an acid group-containing polymerizable monomer in which a portion or the entirety of the acidic group in a molecule forms a salt with an alkaline metal and water (b), wherein the ph of the liquid material is in the range from 3.5 to 5.5, and a powder material containing an acid reactive inorganic powder (c), wherein, a cured product of a kneaded material of the liquid material and the powder material comprises 3 to 20 part by weight of the polymer (a), 10 to 60 part by weight of the water (b), and 30 to 85 part by weight of the acid reactive inorganic powder (c).. . ... Kabushiki Kaisha Shofu

Two-paste type sealer composition for root canal filling

To provide a two-paste type sealer composition for root canal filling consisting of a first paste containing a polymer (a) of an acid group-containing polymerizable monomer in which a portion or the entirety of the acidic group in a molecule forms a salt with an alkaline metal, a non-acid reactive powder (b) and water (c), wherein the ph of the first paste is in the range from 3.5 to 5.5, and a second paste containing an acid reactive inorganic powder (d), water (c) and a thickener (e), wherein, a cured product of a kneaded material of the first paste and the second paste comprises 3 to 20 part by weight of the polymer (a), 15 to 60 part by weight of the water (c), and 30 to 70 part by weight of the acid reactive inorganic powder (d).. . ... Kabushiki Kaisha Shofu

Organic-inorganic composite filler having many reaction groups on surface and dental curable composition compounded therewith

To provide an organic-inorganic composite filler containing; a polymerizable monomer (a) having at least one functional group selected from the group consisting of —oh group, —nh— group, and —nh2 group, a polymerizable monomer (b) having no functional group selected from the group consisting of —oh group, —nh— group, and —nh2 group, a polymerization initiator (c), an inorganic filler (d), and a silane compound (e) which generates —oh group by hydrolysis.. . ... Kabushiki Kaisha Shofu

Block-like composite material for dental cutting and processing having multilayered structure including layers with different transparencies and containing fiber material

The present invention relates to a composite material which can be used as a dental prosthesis device (crown, bridge), and specifically, relates to a composite material including a curable resin and a fiber material, and more specifically relates to a block-like composite material for dental cutting and processing characterized by having a multilayered structure including at least two layers having different transparencies. There are no technical information relating to a color tone and a transparency of the fiber material. ... Kabushiki Kaisha Shofu

Dental composite material having stable pasty property

A composite material including silanated filler and mixed polymerizable monomer, having a stable pasty property which keeps well and has a consistent usability. A composite material containing a silanated filler, a polymerizable monomer, and a polymerization initiator, and may be produced by a process which includes a mixed polymerizable monomer preparing step, a silanation step, a silanated filler preserving step, a composite material preparing step, a composite material preserving step, a composite material filling step, and a small quantity preserving container preserving step.. ... Kabushiki Kaisha Shofu

Dental primer composition having adhesive property to resin cured material

. . A primer composition for a resin cured material according to the present disclosure comprising (a) a polymerizable monomer having a solubility parameter (an sp value) in the range of from 7.0 to 10.0, (b) a volatile organic solvent, (c) a polymerization catalyst and/or a polymerization accelerator, and (d) a polymerizable monomer having at least two polymerizable group.. . ... Kabushiki Kaisha Shofu

Dental mill blank having multiple layers that are visually identifiable

In color reproduction for a dental restorative material, in order to achieve a color that closely matches the color of the natural tooth, one technique that is used is to form a mill blank by laminating layers of materials having different colors. However, misidentification of layers frequently occurs. ... Kabushiki Kaisha Shofu

Dental restoration producing system for producing dental restoration from dental mill blank with through-hole, operation system of the system, program for the system, and dental mill blank for use in the system

A dental restoration producing system of producing a dental restoration from a dental mill blank with one or more through-holes according to one embodiment, when the dental restoration includes no through-hole of the dental restoration, the superposed data generating section generates a superposed data in which at least one through-hole of the dental mill blank is not superposed with the dental restoration, when the dental restoration includes a through-hole of the dental restoration, the superposed data generating section generates a superposed data in which at least one through-hole of the dental mill blank is not superposed with the dental restoration and the through-hole of the dental restoration, or a superposed data in which at least one through-hole of the dental mill blank is included in the through-hole of the dental restoration which is larger than the at least one through-hole of the dental mill blank.. . ... Kabushiki Kaisha Shofu

01/19/17 / #20170014858

Applicator with plunger having movable range restricted by resistance structure

An applicator that is less expensive than those according to the related art and in which a plunger does not easily slip out of a cylindrical syringe. A cylindrical syringe and a plunger are each molded from a resin material. ... Kabushiki Kaisha Shofu

01/19/17 / #20170014857

Applicator that allows easy mounting and removal of cartridge

A cartridge fitting portion of a cylindrical syringe made of a resin includes an end surface opening portion, a continuous opening portion continuous with the end surface opening portion, opened in a radial direction, and extending in an extending direction, and a recess portion configured to communicate with the end surface opening portion, the continuous opening portion, and an internal passage in a cylindrical body. The recess portion includes a flange fitting recess to be fitted with a flange portion of a cartridge, and a cylindrical portion fitting recess that communicates with the flange fitting recess and is fitted with a part of the cylindrical portion. ... Kabushiki Kaisha Shofu

01/19/17 / #20170014856

Cartridge that prevents nozzle from slipping off

A cartridge in which a pipe can be retained without increasing the number of components or suppressing pushing-out of a content. A length l over which the outer peripheral surface of a pipe and the inner peripheral surface of a through hole contact each other when the pipe is press-fitted into the through hole, an average outside diameter r of the pipe in the range of the length l over which the pipe is press-fitted into the through hole, and an average inside diameter n of the through hole in the range of the length l are determined to meet: l×r×π×(1−n/r)×3.3≧w and 0.01<(1−n/r)<0.1, wherein the maximum pushing load of the piston is defined as w and a grasping force to hold the pipe as the pipe is press-fitted into the through hole is defined as 1−n/r.. ... Kabushiki Kaisha Shofu

01/19/17 / #20170014205

Piston easily mountable to cartridge and method of inserting the piston

A paste-type dental material is filled from an opening portion of a cartridge into a cylindrical portion by moving the opening portion of the cylindrical portion of the cartridge along a kneading surface, on which the paste-type dental material is kneaded, with the opening portion being inclined. The piston is placed on the kneading surface with a circular end surface of the piston contacting the kneading surface. ... Kabushiki Kaisha Shofu








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