473results about "Teeth protective coatings" patented technology

The provided is a biomineralization material for treating dentin hypersensitivity and promoting epitaxial growth of enamel and a use thereof. The biomineralization material includes following raw materials in parts by weight: 5-72 parts of a film-forming protein or a PEGylated film-forming protein, 4-67 parts of a water-soluble disulfide bond exchanger and 1-21 parts of a pH regulator. The present application proposes for the first time that the disulfide bond exchanger (e.g., cysteine (Cys)) without any toxicity may react with the film-forming protein or PEGylated film-forming protein. When a protein nano-coating with a mineralization regulating function is formed, no large number of macromolecular protein aggregates can be generated to block the dentin pores. The biomineralization material can permeate deeply into the exposed dentin pores, with the depth of 200-500 μm (the sealing depth of the protein coating reacting with TCEP is only about 40 μm).

A dental polishing paste and a method of surface finishing a dental ceramic with the dental polishing paste is described. The dental polishing paste includes 60 to 90 weight percentage (wt. %) glycerin; 7.5 to 17.5 wt. % inorganic nanoparticles such as, diamond or zirconia, having a mean particle size of 5 to 25 nanometer (nm); and 2.5 to 32.5 wt. % additive, each based on a total weight of dental polishing paste.

The present invention discloses a treatment for a dental implant, which improves its osteointegration.

To provide a dental curable composition with excellent solubility of an ultraviolet absorber, as well as sunlight stability, fluorescence characteristics, and mechanical strength.SOLUTION: The present invention provides a dental curable composition comprising (A) a polymerizable monomer, (B) a polymerization initiator, (C) a fluorescent agent, and (D) an ultraviolet absorber, wherein, the dental curable composition comprises, as (D) the ultraviolet absorber, a compound having at least one first absorption maximum in (D-1) a wavelength region of 250 to 320 nm and at least one second absorption maximum in a wavelength region of 320 to 400 nm, wherein a ratio of an absorbance of the first absorption maximum to an absorbance of the second absorption maximum is within a range of 1 to 4.SELECTED DRAWING: None

The present invention relates to an improved packaging for peptides that need to be dissolved before application, for example, self-assembling peptides such as P11-4. In particular, the present invention provides a blister packaging that can be both conveniently used and more cheaply produced than previous packaging, as well as use thereof in application of the peptide, e.g., in treatment of subsurface caries lesions.

The invention discloses antibacterial glaze paste for a ceramic false tooth and a preparation method thereof, and belongs to the technical field of antibacterial glaze paste manufacturing, the antibacterial glaze paste for the ceramic false tooth comprises: 70-95% of glaze powder matrix composed of feldspar, quartz, kaolin and calcium carbonate; the antibacterial agent is composed of zinc oxide and bismuth oxide, the molar ratio of the bismuth oxide to the zinc oxide is 5%-18%, the surfaces of particles of the antibacterial agent are coated with a plurality of silicon dioxide shell layers, the thickness of the shell layers is 3-15 nm, and the shell layers are treated through a coupling agent; the antibacterial agent can further contain a trace amount of silver or copper nanoparticles with the mass fraction of 0.01-0.3%, and through the synergistic effect of zinc oxide and bismuth oxide, limited release of multiple SiO2 shell layers and addition of a trace amount of Ag / Cu, the ceramic false tooth antibacterial glaze paste can keep efficient antibacterial ability for a long time without external illumination or special excitation conditions, the antibacterial rate is larger than or equal to 98%, and the antibacterial effect is good. The method is obviously superior to uncoated or single-step sintered contrast samples.

The present invention relates to improved complexes of amorphous calcium phosphate and / or calcium by amorphous fluoride phosphate stabilised phosphopeptides / phosphoproteins by addition of stannous ions. These complexes have anticariogenic properties useful to protect tooth structures as they remineralize (repair) early stages of dental caries and have other dental / medical applications (including anti-calculus, anti-erosion / corrosion and anti-dentinal hypersensitivity). Methods of making the complexes of the invention and of treatment or prevention of various dental conditions including dental caries, dental calculus, dental erosion / corrosion and dental hypersensitivity are also provided.

The invention belongs to the technical field of hydrophobic surface materials, and particularly relates to a method for constructing a super-hydrophobic surface based on amphipathic hollow silicon dioxide Janus nanoparticles, which comprises the following steps: constructing amphipathic Janus particles by using an adhesion polypeptide sequence of an obtained membrane as an adhesion end and 1H, 1H, 2H, 2H-perfluorooctyltriethoxysilane as a hydrophobic end; a rapid and efficient surface super-hydrophobic coating is successfully constructed, and the surface is endowed with antibacterial and anti-protein adhesion effects.

The present invention provides a dental curable composition and a dental prosthesis therefrom, capable of imparting fluorescence to the base material, as well as exhibiting outstanding operability, reducing shade changes in the base material, and providing excellent abrasion resistance, gloss retention, and fluorescence durability in the cured product. The present invention relates to a dental curable composition comprising a polymerizable compound (A), a polymerization accelerator (B), a fluorescent agent (C), and a polymerization initiator (D), wherein the polymerization accelerator (B) comprises a polyfunctional thiol (B-1) having two or more mercapto groups per molecule.

The invention provides a tooth patch for repairing tooth hardness and a preparation method thereof, the tooth patch comprises a support material and gel, and the gel comprises the following components by mass: 1.5-2 parts of regenerated silicon, 0.5-0.7 part of A200, 1.5-2.5 parts of a thickener, 15-20 parts of a film-forming agent, 4-6 parts of a humectant, and 1-1.5 parts of a gelling agent. The tooth paste can form a hydroxyapatite layer on the tooth surface, repair tooth enamel, promote remineralization of the tooth surface and improve tooth hardness, is alkalescent, and can prevent dental caries; after contacting with saliva, hydroxyapatite crystals can be quickly formed in dentinal tubules to block the dentinal tubules, and the hydrogel can be used for treating tooth sensitivity.

The present invention provides Dental implant configured to be inserted into a hole in jaw bone and to be at least partially situated in bone tissue when implanted, comprising: a coronal implant region, the surface of which is at least partly covered by an oxide layer with an average thickness in the range from 60 nm to 170 nm and has an average arithmetical mean height Sa in the range from 0.1 µm to 1.0 µm. Further provided is a component for dental applications, preferably dental abutment, wherein the surface of the component is at least partly covered by an oxide layer with an average thickness in the range from 60 nm to 170 nm and has an average arithmetical mean height Sa in the range from 0.05 µm to 0.5 µm and an implant system comprising the dental implant and the component. Method for forming a protective layer on the surface of an implantable or implant component, the method comprising a) applying a solution on the surface of component, the solution having a pH at 25°C of 6.8 or less and b) drying the solution applied in step a) to form a protective layer on the surface of the component for dental applications. Finally, part of the present invention is an implantable or implant component having a protective layer obtainable as above and a use of such layer for storage.

A method of applying a two-part dental sealant is described comprising providing a syringe device comprising a cartridge including first and second chamber. The first chamber contains a first part of a dental sealant comprising a (meth)acrylate resin and an oxidizing curing agent. The second chamber contains a second part of a dental sealant comprising a (meth)acrylate resin and a reducing curing agent that reacts with the oxidizing curing agent of the first chamber. The first and / or second part of the dental sealant further comprise a single component or multiple components that neutralize acid and promote remineralization. The syringe device comprises a dispensing nozzle comprising a static mixer and an outlet at one end of the cartridge and a plunger at the opposing end of the cartridge. Also described is a kit for storing and applying the dental sealant is described.

The present invention relates to improved complexes of amorphous calcium phosphate and / or amorphous calcium fluoride phosphate stabilised by phosphopeptides / phosphoproteins by addition of stannous ions. These complexes have anticariogenic properties useful to protect tooth structures as they remineralize (repair) early stages of dental caries and have other dental / medical applications (including anti-calculus, anti-erosion / corrosion and anti-dentinal hypersensitivity). Methods of making the complexes of the invention and of treatment or prevention of various dental conditions including dental caries, dental calculus, dental erosion / corrosion and dental hypersensitivity are also provided.

The present invention provides Dental implant configured to be inserted into a hole in jaw bone and to be at least partially situated in bone tissue when implanted, comprising:a coronal implant region, the surface of which is at least partly covered by an oxide layer with an average thickness in the range from 60 nm to 170 nm and has an average arithmetical mean height Sa in the range from 0.1 μm to 1.0 μm. Further provided is a component for dental applications, preferably dental abutment, wherein the surface of the component is at least partly covered by an oxide layer with an average thickness in the range from 60 nm to 170 nm and has an average arithmetical mean height Sa in the range from 0.05 μm to 0.5 μm and an implant system comprising the dental implant and the component. Method for forming a protective layer on the surface of an implantable or implant component, the method comprising a) applying a solution on the surface of component, the solution having a pH at 25° C. of 6.8 or less and b) drying the solution applied in step a) to form a protective layer on the surface of the component for dental applications. Finally, part of the present invention is an implantable or implant component having a protective layer obtainable as above and a use of such layer for storage.

A complex for blocking dentinal tubules, characterized in that the complex is formed by means of polymerizing catecholamine and metal ions. The catecholamine comprises one or more of dopamine, norepinephrine, tannic acid, gallic acid, phlorotannins, phloroglucinol monomers and epigallocatechin gallate; and the metal ions comprise one or more of V 2+, Cr 2+, Cr 3+, Mn 2+, Mn 3+, Fe 2+, Fe 3+, Co 2+, Ni 2+, Cu 2+ and Sr 2+. A reagent for treating dentin allergy comprises the complex for blocking dentinal tubules, can block nearly 85% of dentinal tubules within 3 minutes, and can form a crystal structure similar to hydroxyapatite after being mineralized in vitro for 7 days. In addition, in 7-day animal experiments with SD rats, results consistent with in-vitro mineralization experiments are also observed. Moreover, the complex can not only be rapidly prepared, but also has antibacterial ability against pathogenic bacteria of dental caries, and also has good biocompatibility.

An orthodontic wax composition, comprising beeswax, representing from 50 to 80% by weight of the total composition, the composition comprises natural chicle gum, in an amount of from 10 to 40% by weight of the total composition.

Provided is at least one of a recycled powder obtained through horizontal recycling of scrap from dental blanks, a method for producing the recycled powder, a method for producing a recycled dental blank, and a recycled dental blank obtained by the method.　This method for producing a recycled powder comprises: a pulverization step for pulverizing scrap from dental blanks to obtain a pulverized product; and a recovery step for recovering a powder having a color tone where L* is 90-100 inclusive, a* is 0-1 inclusive, and b* is 0-5 inclusive from the pulverized product.

The present invention provides a dental curable composition and a dental prosthesis therewith with which shade changes in the base material can be reduced, and that exhibit excellent gloss retention in the cured product while demonstrating excellence in operability. The present invention relates to a dental curable composition comprising a polymerizable compound (A), a polyfunctional thiol (B) having two or more mercapto groups per molecule, a polysiloxane (C), and a polymerization initiator (D).

The invention relates to the technical field of oral biological materials, in particular to a self-adaptive anti-caries coating as well as a preparation method and application thereof. The coating is prepared from random and block polymers, and is specifically prepared by polymerizing acid radical-containing functional monomers, phenylboronic acid and derivatives thereof. Construction of the coating depends on specific coordination of a functional group and Ca < 2 + > in enamel, and stable anchoring on the tooth surface is achieved. The core action mechanism is to introduce phenylboronic acid groups to endow the coating with pH sensitive characteristics: in a cariogenic acid environment, biofilm formation is synergistically inhibited through a plurality of mechanisms such as physical barrier, electrostatic repulsion and inhibition of mucoprotein-mediated adhesion. According to the application, the Ca < 2 + > anchoring monomer, phenylboronic acid and the derivative thereof are copolymerized, design is carried out aiming at two key links of protein adsorption and bacterial adhesion, multi-mechanism synergy and environment dynamic response are integrated, and an integrated anti-caries effect from early intervention to long-term protection is realized.

The invention relates to a two-part dental sealant, a method of application with a syringe device, and a kit. Specifically, the present invention provides a method of administering a two-part dental sealant, the method comprising providing a syringe device (1) comprising a cartridge (10) comprising a first chamber and a second chamber. The first chamber comprises a first portion of a dental sealant comprising a (meth) acrylate resin and an oxidation curing agent. The second chamber comprises a second portion of the dental sealant comprising a (meth) acrylate resin and a reducing curing agent that reacts with the oxidizing curing agent of the first chamber. The first portion and / or the second portion of the dental sealant further comprise a single component or components that neutralize acids and promote remineralization. The syringe device comprises a dispensing nozzle (17) comprising a static mixer and an outlet at one end of the cartridge and a plunger (20) at the opposite end of the cartridge. A kit for storing and applying a dental sealant is also described.

The application belongs to the technical field of dental antibacterial materials, and discloses a kind of nanometer composite antibacterial coating for dental material and preparation method thereof.Method: monomer modified arginine, monomer N-isopropyl acrylamide, monomer methyl hexyl acrylate, initiator azobisdimethylamino propanamide hydrochloride, dispersing agent cetyltrimethylammonium bromide and crosslinking agent N,N-methylene bis(acrylamide) are dissolved in water, and the reaction is carried out under protective atmosphere, dialysis, to obtain nanogel dispersion;The nanogel dispersion is mixed with the nanometer zinc oxide dispersion to obtain a nanogel composite zinc oxide antibacterial coating, and a coating is formed after coating.The nanometer composite antibacterial coating for dental material has excellent retention capacity and antibacterial performance.

The invention relates to a dental ceramic coloring liquid with shielding property. The present invention provides a dental ceramic coloring liquid which is capable of suppressing a decrease in mechanical strength of a dental ceramic after sintering, has good storage stability, and is capable of imparting shielding properties. The present invention relates to a dental ceramic coloring liquid comprising an organosilicon compound. The organosilicon compound is preferably hydrophilic. The organosilicon compound is preferably a silicone compound. The organosilicon compound is preferably an alkylsilane compound.

It is an object of the present disclosure to provide a novel dental preparation for use in the treatment of a tissue defect. The dental preparation contains a shaped body obtained by drying a raw material aqueous solution containing collagen and / or gelatin (A), a free form and / or alkali metal salt of bromfenac (B), and a water-soluble divalent metal salt (C).

To provide a liquid material which can only adjust transparency by applying on a part of a zirconia crown having high transparency, without coloring. The present invention provides an opaque imparting liquid used for a prosthesis device cut and machined from a dental zirconia for cutting and machining, comprising; (a) 10 to 39 wt.% of a water-soluble aluminum compound and / or a water-soluble lanthanum compound, (b) 60 to 89 wt.% of water, and (c) 1 to 20 wt.% of an organic solvent.

Disclosed are systems and methods for a computerized framework for automated ceramic inkjet printing in dental restoration manufacturing. The disclosed ceramic inkjet mesh printing for dental restorations combines precision digital control with ceramic materials to create highly accurate and aesthetically pleasing dental prosthetics. The disclosed mechanisms utilize specialized printheads designed to deposit precise amounts of ceramic materials onto dental substrates, enabling the creation of detailed color gradients and natural-looking surfaces that closely mimic natural teeth.

To provide at least one of recycled powder obtained by horizontal recycling of dental blank scraps, manufacturing method thereof, manufacturing method of recycled dental blanks, and recycled dental blanks obtained thereby.SOLUTION: A manufacturing method of recycled powder includes: a pulverization step of pulverizing dental blank scraps to obtain a pulverized product; and a recovery step of recovering, from the pulverized product, powder having a color tone of L* of 90 or more and 100 or less, a* of 0 or more and 1 or less, and b* of 0 or more and 5 or less.SELECTED DRAWING: Figure 1

A dental composition, and methods of use thereof, for causing tooth whitening and / or tooth mineralization without causing tooth hypersentivity. The dental composition contains a gel-forming thickening agent and nitrogen-doped titanium dioxide nanoparticles. The nitrogen- doped titanium dioxide nanoparticles may be co-doped with fluorine and / or silver. The dental composition may contain a bleaching agent.

A free-radical polymerizable dental material comprising a combination of a hydroperoxide and a thiourea derivative according to the following formula (I) as an initiator system for free-radical polymerization: wherein R is absent or is an aromatic, aliphatic, linear or branched C1-C 50 a hydrocarbon group which may be interrupted by one or more ether, thioether, ester, amide or urethane groups; PG is a free-radically polymerizable (meth)acrylate, (meth)acrylamide or vinyl group; and n is 1, 2 or 3.

This invention discloses a bioactive glass oral desensitizing ointment and its preparation method, belonging to the technical field of oral desensitizing ointments. The oral desensitizing ointment comprises the following raw materials in parts by weight: 5-15 parts bioactive glass, 2-4 parts silica, 0.5-2 parts antibacterial and anti-inflammatory agent, 10-25 parts glycerin, 20-30 parts humectant, 2-4 parts surfactant, 0.5-1.5 parts fragrance, 0.5-2 parts gelling agent, and 30-50 parts purified water. The oral desensitizing ointment prepared by this invention exhibits good antibacterial properties and dentinal tubule sealing rate.

The present invention relates to a method for preparing a coating composition comprising an anti-infective agent for the controlled release of said anti-infective agent, and to a coating composition or coated substrate obtainable by said method. Such coating compositions are particularly useful in the dental field for the treatment or prevention of inflammatory processes, such as mucositis or peri-implantitis, preferably peri-implantitis.