36 results about "Dental Product" patented technology

The invention belongs to the field of medical titanium alloy material processing, and particularly relates to a preparation method of a high-strength titanium-zirconium alloy wire. The Ti-Zr alloy comprises the following chemical components in percentage by mass: 13.5-16.5% of Zr, less than or equal to 0.10% of Fe, less than or equal to 0.10% of C, less than or equal to 0.015% of H, less than or equal to 0.6% of O, less than or equal to 0.05% of N and the balance of Ti. Firstly, a round bar blank with a certain size is obtained through the procedures of smelting, forging and drawing; and then a finished wire is prepared in the modes of temperature-controlled drawing, stress relief annealing and centerless grinding. By means of the method, the high-strength titanium-zirconium alloy wire with Rm larger than or equal to 950 MPa and A larger than or equal to 10% can be obtained, the problems that the implant material Ti-Zr alloy is low in strength and the like are solved, the high-strength titanium-zirconium alloy wire for dental products can be produced through the method, and qualified raw materials are provided for the dental implant products.

A photocurable composition includes a (meth)acrylic monomer component and a photopolymerization initiator, wherein an adhesive force of a cured product is less than or equal to 1.5 N, and a rupture elongation of the cured product is greater than or equal to 20%.

The invention relates to the field of varnish. In particular, the present invention relates to a dental waterless varnish composition comprising at least one calcium silicate compound, at least one film former and at least one volatile organic solvent wherein the content of the at least one calcium silicate compound is preferably 0.1 wt% to less than 20 wt% relative to the total weight of the composition. The invention also relates to a composition according to the invention for use in the treatment and / or prevention of insufficient mineralization-related pathologies. Finally, the invention also relates to a dental product and a dental adhesive film.

The present invention relates to a method of preparing a dental product having an increased ductility, the dental product comprising a polymer comprising a functional group capable of forming a hydrogen bond, the method comprising the steps of printing a dental product from a resin composition; followed by subjecting the dental product to at least one of the following procedures: (i) storing the dental product in water and / or an alcohol for at least 30 seconds at a temperature of at least 50°C, and / or (ii) storing the dental product at a relative humidity of at least 60 % and / or in an aqueous and / or alcoholic solution for at least 24 hours. The present invention further relates to a dental product obtainable by the method, an arrangement comprising a dental product, a method of treating a dental product and the use of water and / or an alcohol as a plasticizer for a dental product.

A dental anhydrous varnish composition including at least one calcium silicate compound, preferably in an amount ranging from 0.1% to lower than 20% by weight relative to the total weight of the composition, at least one film-forming agent, and at least one volatile organic solvent. Also, composition's use in the treatment and / or the prevention of hypomineralization related pathologies. Further, a dental product and to a dental adhesive film.

The present invention provides a cyber-physical device for dispensing a variety of dental products in customer environments, in order to make it possible to supply such items for immediate use within a dental clinic without the need to precisely and pre-emptively forecast demand for specific items. The present invention further provides a method for controlling the stock of dental products dispensed in the customer environment, enabling improved logistical control based on consumption demand, as well as automated billing of the dental products used by the customer.

A photo-curable composition including a di-(meth)acrylic monomer (A) having two (meth)acryloyloxy groups and two urethane bonds, an acrylic monomer (B) having one acryloyl group, and a photopolymerization initiator, as well as a cured product of the photo-curable composition, and a dental product including the cured product.

Disclosed are a system and method for providing a dental product transaction service, and the system for providing a dental product transaction service, according to an embodiment of the present application, may comprise: a purchaser terminal that receives an input of purchase information including purchase product information and purchaser information from a purchaser through a dental product transaction platform; a seller terminal that receives an input of sales information including sales product information and seller information from a seller through the dental product transaction platform; and a server that provides the dental product transaction platform, matches the purchase information and the sales information, and transmits transaction information to the purchaser terminal or the seller terminal.

The application provides a preparation method of a ductile reinforcing material for 3D printing of permanent crowns, which comprises the following steps: S1, adding a thermosetting material and an active dilution monomer into a reactor, and stirring to form a transparent liquid at room temperature; S2, adding a thermoplastic material and a photoinitiator into the transparent liquid of S1, and continuing to stir until a transparent and uniform liquid mixture appears at room temperature; and S3, using light to realize photocuring of the uniform liquid mixture of S2. The application aims to increase the ductility of the material, and is suitable for 3D printing of ductile permanent crowns, abutments and other dental restoration materials and dental products by using digital technology.

According to the invention, a preparation is described which contains at least one calcium compound selected from the group consisting of calcium phosphates, calcium fluorides and calcium fluorophosphates and hydroxyl derivatives and carbonate derivatives of these calcium salts, calcium hydroxides and calcium oxides precipitated using at least one protein component selected from proteins and protein hydrolysates, and at least one crosslinking agent for the protein component and / or non-set cement.

The invention relates to a dental product comprising a packaging device comprising a compartment with a front end and a rear end, an inner surface and an inner diameter, a layer of lubricant composition on the inner surface of the compartment, a dental material located in the compartment between the front end and the rear end, the lubricant composition comprising a monomer ML with an ethylenically unsaturated group, and filler FL in an amount of 0 to 65 wt. % with respect to the weight of the lubricant composition, the dental material being different with respect to its chemical composition from the lubricant composition.

A photocurable composition, comprising a photopolymerizable component and a photopolymerization initiator, further comprising a filler wherein: in a case in which a square plate shaped test piece A1 with a length of 10 mm, a width of 10 mm, and a thickness of 2 mm, is produced, at least one square surface B1 having an area of 3 µm on a side in at least one cross section of the test piece A1 has a sea-island structure composed of island portions comprising the filler and having a length of 0.1 µm or more, and a sea portion, an average surface elastic modulus of the island portions is 9.0 GPa or more, an average surface elastic modulus of the sea portion is 4.5 GPa or more, an area of the island portions is from 1.0% to 15.0% with respect to an entire area of the surface B1, and an area of the sea portion is from 85.0% to 99.0% with respect to the entire area of the surface B1.

The invention relates to a coated abrasive tool including a carrier which has a carrier material and including an abrasive surface coating on a surface region of the carrier. The abrasive surface coating has abrasive functional particles and a thermoplastic binder for an adhesive connection between at least some of the abrasive functional particles and the carrier material. At least some of the abrasive functional particles on the surface region of the carrier are partly integrated into the carrier material and are connected to the carrier material, and at least some of the abrasive functional particles on the surface region of the carrier are additionally partly integrated into the thermoplastic binder, the thermoplastic binder being connected to the abrasive functional particles and the carrier material.

The invention relates to a milling body for producing a dental molding, the milling body comprising a solid body made of a biocompatible first material, a cavity for receiving a fluid polymerizable plastics material being arranged on an upper side of the milling body, the cavity having a bottom and, starting from the edge of the bottom, the cavity being laterally delimited by a circumferential wall, the circumferential wall being annular, and the first material forming the bottom and the solid body extending as far as a lower side of the milling body, which lower side is arranged to be opposite the upper side of the milling body.The invention also relates to a method for producing dental prostheses using such a milling body, to a set, and to a dental molding produced using such a method.

The present invention relates to a spinel glass-ceramic made from a composition with the components 25 to 50% by weight SiO2, 10 to 35% by weight Al2O3, 1 to 15% by weight MgO, 1 to 15% by weight P2O5, 1 to 25% by weight ZrO2 and / or TiO2, 0 to 20% by weight La2O3, 0 to 10% by weight B2O3, and 0 to 15% by weight additives. The spinel glass-ceramic contains at least one spinel phase, but no high quartz solid solution phase. The glass-ceramic according to the invention exhibits very high mechanical stability, for example, very high flexural strength, wherein its optical properties can be simultaneously adjusted. In addition, the present invention also relates to a method for producing and the use of the spinel glass-ceramic. Furthermore, the present invention relates to a shaped dental product containing the spinel glass-ceramic.

A photocurable composition, wherein: in a case in which a rectangular sheet-like test piece P1 with a length of 40 mm, a width of 10 mm, and a thickness of 0.5 mm is produced by photomodeling under specific conditions, and a storage modulus is measured for the thus produced test piece P1 by dynamic viscoelastic measurement with a measurement frequency of 1 Hz while increasing a temperature in a range of from 25° C. to 300° C. at a rate of 3° C. / min, the storage modulus at 135° C. is 3.0×108 Pa or more.

The present invention relates to a curable composition for dental purposes. The invention is characterized in that the composition comprises core-shell impact modifiers and 0.1 to 10 wt. % of a binder based on long-chain mono-functional (meth)acrylic acid esters, wherein the ester group has a carbon chain with at least 3 carbon atoms. The invention also relates to the use of the composition as a dental material or a dental auxiliary material, to a dental product made of the composition, and to a method for producing the dental product.

The utility model relates to the field of dental product machining equipment, in particular to a dental coping machining table which comprises a workbench and an air draft device. The air draft device comprises an air draft head, the air draft head comprises a shell connected with the workbench, an air inlet face is arranged on the shell and located on the upper side of the workbench, and an air inlet is formed in the air inlet face. A mesh enclosure is arranged at the air inlet; the shell is further connected with an exhaust pipe. Dust generated in the coping process can be effectively extracted through the air draft device, the working environment is optimized, meanwhile, large particles or impurities can be prevented from entering the air draft device through the arrangement of the net cover, and normal operation of the air draft device is guaranteed.

Methods and systems for providing financial management and reconciliation within the dental project management system are provided. The method includes the dental project management system receiving an invoice associated with a particular dental product project. The method also includes an artificial intelligence (AI) validation module of the dental product management system automatically validating the invoice. Also, the method includes that upon validation of the invoice, the dental product management system requesting feedback from a doctor at a dental office. Further, the method includes the dental product management system receiving feedback from the doctor. Moreover, the method includes training the AI validation module based on the feedback from the doctor.

The invention belongs to the technical field of dental product production, and particularly relates to an antibacterial tooth socket and a preparation method thereof.The antibacterial tooth socket comprises a tooth socket body, a clamping groove is formed in the outer side of the tooth socket body, a drug administration groove is formed in the clamping groove in a clamping mode, the interior of the drug administration groove is hollow, and the tooth socket body communicates with the drug administration groove through a drug placing hole; the preparation method of the antibacterial tooth socket comprises the following steps: S1, carrying out copolymerization reaction to obtain an organic modified nano zinc oxide compound; s2, uniformly mixing the organic modified nano zinc oxide compound, isocyanate, polyether polyol, polymethyl methacrylate and a catalyst, and carrying out polymerization reaction to obtain zinc-containing polyurethane resin; and S3, uniformly mixing the prepared zinc-containing polyurethane resin and polypropylene resin, putting the mixture into a model, and carrying out melting and curing molding to obtain the antibacterial tooth socket. The antibacterial tooth socket disclosed by the invention is relatively high in antibacterial performance and can kill common pathogenic bacteria including escherichia coli and staphylococcus aureus.

A photocurable composition, comprising a photopolymerizable component and a photopolymerization initiator, further comprising a filler wherein: in a case in which a square plate shaped test piece A1 with a length of 10 mm, a width of 10 mm, and a thickness of 2 mm is produced, at least one square surface B1 having an area of 3 μm on a side in at least one cross section of the test piece A1 has a sea-island structure composed of island portions comprising the filler and having a length of 0.1 μm or more, and a sea portion, an average surface elastic modulus of the island portions is 9.0 GPa or more, an average surface elastic modulus of the sea portion is 4.5 GPa or more, an area of the island portions is from 1.0% to 15.0% with respect to an entire area of the surface B1.

The invention discloses a light-cured transparent resin composition as well as a preparation method and application thereof. The light-cured transparent resin composition can be applied as a 3D printed piece coating. An existing light-cured resin coating is difficult to completely cure on the surface in air and can yellow, so that the existing light-cured resin coating needs to be used in the environment protected by nitrogen or other inert gases, the resin has the problems of low strength, poor toughness, insufficient moldability and the like, and particularly, the water resistance bottleneck limits the application of the product in the field of 3D printing, especially dental 3D printing pieces. The invention discloses a novel formula, the acrylate monomer, the auxiliary oligomer, the sulfydryl modifier, the photoinitiator, the amine synergist and the nano inorganic filler are mixed to obtain the light-cured transparent resin, the surface glossiness of a 3D printed piece can be improved, the 3D printed piece can be well cured in air, the light-cured resin is prevented from being oxidized to become yellow in the curing process, and the service life of the 3D printed piece is prolonged. And moreover, the biocompatibility of a 3D printing piece is improved, and the product is suitable for preparing a photocuring 3D printing dental product.

The present invention relates to a particle composition comprising XRD amorphous calcium magnesium phosphate particles and a method for manufacturing such a composition. The XRD amorphous calcium magnesium phosphate particles are spherical particles with a hollow core. The particle-containing paste may be used in dental products such as toothpaste to treat dentin hypersensitivity by mineralizing and occluding exposed dentin tubules.

The invention relates to a dental product for forming an endodontic cement in a dental canal, said product comprising at least: - propylene glycol in an amount of greater than or equal to 20% by mass, - a mixture of dicalcium phosphate and tetracalcium phosphate capable of forming hydroxyapatite in the presence of moisture, this mixture being present in an amount of between 34% and 40% by mass, - a binder in an amount of between 1% and 4% by mass, - a radiopaque contrast agent made of zirconium oxide in an amount of greater than or equal to 20% by mass, and - potassium citrate in an amount of between 0.1% and 0.38% by mass.

The utility model relates to the field of dental product machining equipment, in particular to a dental plaster model grinding device which comprises a barrel, a grinding motor and a dust collector. A workbench is arranged at the top of the barrel, the coping motor is arranged in the barrel, a cutter is fixed to an output shaft of the coping motor, a through hole is formed in the workbench, and the cutter extends out of the through hole to the position above the workbench; the through hole is also used as a dust suction port; the grinding motor drives the cutter to grind a plaster model, meanwhile, the dust collector sucks waste materials generated in the grinding process through the dust suction port, synchronous grinding and waste material cleaning are achieved, the working efficiency is improved, and the influence of waste material flying on the working environment is reduced.

This invention discloses a method for generating a digital balancer based on a 3D tooth model, comprising the following steps: selecting points on the surface of a tooth STL model to obtain an initial point set P1 containing world coordinates; forming a point set P2 through P1; calculating the normal vector of each point, and classifying the points according to the normal vectors of each point in point set P2; performing spectral clustering on each category; using each category point after clustering as a latent function to obtain multiple cut-out surfaces of the tooth STL model; stretching all cut-out surfaces of the tooth STL model and connecting the two surfaces to form a 3D solid model; merging all 3D solid models using Boolean summation to obtain an initial balancer model; obtaining a balancer with cylinders using Boolean difference; and refining the mesh of the balancer with cylinders. This method facilitates dentists in designing other dental products, such as jaw pads, and improves the efficiency of balancer manufacturing while reducing production costs.

Methods and systems for bi-directional integration between one or more intraoral scanners and one or more dental labs are provided. A dental product management platform connecting the one or more intraoral scanners and the one or more dental labs can: receive an instruction to create a new dental product prescription from an operator via a graphical user interface (GUI) of the dental product management platform provided on a particular intraoral scanner, receive scanned image data from the particular intraoral scanner; validate the scanned image data in real time to determine whether the scan is of acceptable quality to fabricate a dental product; and upon determining that the scanned image data is not of acceptable quality, provide a notification to the operator via the GUI to use the particular intraoral scanner to take a second scan of the patient using the particular intraoral scanner.

The present invention relates to a particulate composition comprising XRD amorphous calcium magnesium phosphate particles and a method of producing such a composition. The XRD amorphous calcium magnesium phosphate particles are spheroidal particles having a hollow core. The paste containing particles can be used in a dental product, such as a toothpaste, to treat dentinal hypersensitivity by mineralization and occlusion of exposed dentinal tubules.