156results about "Teeth protective coatings" patented technology

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 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 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.

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 application relates to the instrument and method of filling root canal, specifically relates to a kind of self-expanding root canal filling instrument combination based on the concept of root apex biological closure and its using method, for solving the volume shrinkage caused by the existing root canal sealant and gutta-percha point filling after filling, leading to root canal filling failure, and the toxic and harmful ingredients contained in root canal sealant and gutta-percha point itself can bring potential harm to the patient The deficiency, the self-expanding root canal filling instrument combination includes self-expanding composite bioceramic root canal sealant and root canal plug tip;The self-expanding composite bioceramic root canal sealant is composed of liquid agent, powder;The liquid agent is distilled water or physiological saline;The powder is divided into A component, B component;The material of the root canal plug tip is medical pure titanium or titanium alloy.

A method for enhancing mechanical properties of sintered, zirconia ceramic bodies and zirconia ceramic dental restorations is provided. A porous or pre-sintered stage of a ceramic body may be treated with a tantalum-containing composition prior to sintering. Alternatively, zirconia ceramic powder may be coated with a tantalum-containing composition prior to forming a shaped ceramic body. After sintering, the resulting ceramic bodies have enhanced mechanical properties, such as greater fracture toughness, without a significant decrease in optical properties.

The invention relates to obtaining an Ag / Zn-containing zeolite glaze that is applied to the outer surface of a ceramic (Ips™ e.max press), which is widely preferred today due to its aesthetic properties and used both as a dental restoration material and as a veneering / crowning material, to impart antibacterial properties to the porcelain glaze (coating / glaze) material and improve its mechanical and aesthetic features, thereby protecting the tooth and gingival tissues.

The present invention relates to a method for preparing a coating composition comprising an anti-infective agent for the controlled release of the anti-infective agent, and to a coating composition or coated substrate obtained 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.

The present invention relates to a method for synthesizing calcium-based biominerals, particularly hydroxyapatite (found in vertebrate bones and teeth) and calcium carbonate (found in plankton and corals). This fully biocompatible mineralization strategy not only offer fundamental insights into the biomineralization process, starting from mineral ions to amorphous precursors and eventually to specific minerals, but also contributes to our scientific understanding of life's origin. Furthermore, it showcases great promise for therapeutic applications, such as actively repairing damaged tooth enamel and promoting bone growth.

To provide a glass composition for dentin desensitizing compositions.SOLUTION: The present disclosure provides a glass composition that includes: from about 50 mol% to about 95 mol% of B2O3; and from about 5 mol% to about 50 mol% of one or more glass components selected from the group consisting of: Li2O, Rb2O, K2O, Na2O, SrO, CaO, MgO, and ZnO. The glass composition includes less than 30 mol% of Rb2O. The glass composition is a quaternary system. The glass composition is a particulate material that includes particles that are from about 1 to about 50 μm in size. The glass composition loses at least 5 mass% within 24 hours when exposed to a buffered saline solution. The glass composition may be used to desensitize dentin. The present disclosure also provides a dentin desensitizing composition.SELECTED DRAWING: None

The present invention provides a dental porcelain composition and a method for manufacturing the same, which do not require skilled techniques, suppress sagging during the dental laboratory work and shrinkage after firing, and provide a porcelain layer with excellent aesthetics after firing. [Solution] A dental porcelain composition comprising glass (A) and an organic solvent (B) having a boiling point of 100 to 300°C, wherein glass (A) comprises a base glass (A-1) with a particle size D50 of 2 to 8 μm and a base glass (A-2) with a particle size D50 of 25 to 45 μm, and the particle size of glass (A) is D10 ≤ 5 μm, 5 μm

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 present disclosure provides compositions and methods for remineralizing tooth dentin in a subject using one or more catechol-containing material. The present disclosure also provides compositions and methods for treating dental hypersensitivity in a subject comprising contacting exposed dentinal tubules with a catechol-containing material. The present disclosure also provides compositions and methods for restoring acid-etched tooth dentin in a subject comprising contacting the tooth dentin with a catechol-containing material.

A composition for treating dentin hypersensitivity, comprising: a first component comprising: (i) a first rheology modifying polymer; (ii) a calcium ion source; (iii) a positively charged basic amino acid; and (iv) an acidifying agent, wherein the first component has a pH in the range of about 2.0 to about 7.0; a second component comprising: (i) a second rheology modifying polymer; (ii) a phosphate ion source; and (iii) an alkalizing agent, wherein the second component has a pH in the range of about 7.0 to about 14.0; wherein the first component and the second component are combined into a mixture such that a cationic amorphous calcium phosphate gel composition is created instantly when the pH of the mixture reaches a pH range of about 7.0 to about 9.5.

To provide a dental varnish based on a cationic polymer dispersion.SOLUTION: A cationic polymer dispersion comprising at least one copolymer, water, at least one surfactant, and 0.3 to 3.0% by weight of at least one organic and / or inorganic fluoride source, wherein the cationic polymer dispersion is essentially free of low boiling organic solvents. The dispersions are suitable for varnishes or coatings for the fluoridation of teeth and for the treatment of caries prophylaxis.SELECTED DRAWING: None

Provided are: a dental ceramic material composition which does not require a skilled technique, and which is capable of imparting a ceramic material layer having excellent appearance after firing while suppressing drips during technician operation and sink marks after firing; a method for producing the dental ceramic material composition; a method for producing a dental prosthesis device; and a kit for the dental ceramic material composition. This dental ceramic material composition contains glass (A) and an organic solvent (B) having a boiling point of 100-300 DEG C. The glass (A) contains a base glass (A-1) having a particle diameter (D50) of 2-8 [mu] m and a base glass (A-2) having a particle diameter (D50) of 25-45 [mu] m, and the particle diameters of the glass (A) satisfy D10 < = 5 [mu] m, 5 [mu] m < D50 < 28 [mu] m, and 28 [mu] m < = D90.

The presently disclosed subject matter relates to compositions and methods for preventing and / or treating of an oral disease and / or a biofilm-associated disease. In particular, the presently disclosed subject matter provides a composition for preventing and / or treating of an oral disease comprising (a) one or more iron oxide nanoparticles and (b) stannous fluoride (SnF2) that provide synergistic properties, including enhanced solubility, stability, co-delivery and catalytic activity, while creating a protective antibacterial and anti-demineralization layer on the target surface for disease prevention.

Described is a dental composition having an organic villiaumite and a cement comprising calcium silicate. Also described are methods of preventing demineralization of a tooth surface by releasing calcium ions, hydroxide ions, and fluoride ions from the dental composition.

A dental composition containing: a polymerizable monomer having only one group selected from the group consisting of a urethane group, a urea group, and a carbonate group; and an inorganic filler.

An oral liquid dental suspension is disclosed, including (a) a tooth whitening agent; (b) a solvent; and (c) at least one of (i) a resin or (ii) a urethane. The suspension is formulated to be applied to the surface of human teeth, where it rapidly dries—even in the presence of saliva—to form an adherent varnish. This varnish enables prolonged and effective contact between the whitening agent and tooth enamel for enhanced whitening efficacy. The composition may further include one or more optional additives, such as sweeteners, glazing agents, teeth desensitizers, remineralization agents, sequestering agents, complexing agents, or fluoridation agents. Also provided are kits containing the oral liquid dental suspension and one or more applicators, as well as methods of use involving topical application to teeth and subsequent drying to achieve a whitening effect.

The invention relates to an amorphous calcium phosphate / bioactive glass composite material (ACP / BG). This composite material possesses both the short-time ion release capability of ACP as well as the long-time ion release of BG and thus (i) efficiently remineralizes damaged enamel, and (ii) induces the formation of a new HA layer onto enamel and dentin surface. The ACP / BG composite material is obtained by embedding BG particles in a matrix of ACP nanoparticles in order to maximize homogenization between the two components and to produce a composite with high uniformity from the macro- to the nano-scale. This has been achieved with a process that includes a step of precipitating ACP onto BG particles. The BG particles can be nano-, micro-, or macro-particles. The particles can also be porous or mesoporous The invention relates also to the use of the composite material of the invention for use in the prevention of dental demineralization and to boost remineralization. In other words, the composite material here disclosed is used as remineralizing agent thanks to its ability to restore the structure and preserve the mechanical properties of dental hard tissues by releasing Ca2+ and PO4 3− ions, thereby mimicking the spontaneous remineralization process induced by saliva. The composite material can also be used for bone regeneration.

To provide a photopolymerizable type dental surface coating material composition which may finish the applied part lubriciously in a short time by exhibiting excellent surface curability regardless of the type of light irradiator, may protect the restoration from abrasion and stain for a long time by exhibiting excellent adhesive property to various restorations including the dental glass ionomer cement for filling and the tooth substance, and may have excellent storage stability that can maintain properties and characteristics for a long time. The photopolymerizable type dental surface coating composition of the present disclosure comprises(a) polyfunctional polymerizable monomer,(b) volatile monofunctional polymerizable monomer,(c) acidic group-containing polymerizable monomer,(d) α-diketone compound,(e-1) aromatic tertiary amine as (e) amine compound, and(e-2) aliphatic tertiary amine as (e) amine compound, whereinthe compounding ratio of the (e-1) and the (e-2) is within a range of 1.0:99.0 to 70.0:30.0 in terms of mass ratio.

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.

Disclosed are methods of determining enamel micro-crack and / or microscratch resistance and also methods of identifying compositions that are effective in increasing enamel micro-crack and / or microscratch resistance or evaluating the efficacy of compositions in increasing enamel micro-crack and / or microscratch resistance.