193 results about "Tooth whitening" patented technology

The invention discloses a SnO2 / SnS2 / AgS nano material with piezoelectric electro-catalytic tooth whitening and sterilizing performance and a preparation method and application thereof, and the preparation method comprises the following steps: (1) dripping a silver nitrate aqueous solution into a prepared SnO2 / SnS2 nano material aqueous dispersion, carrying out hydro-thermal treatment for 2 hours, centrifuging, washing and drying to obtain a SnO2 / SnS2 / Ag2S ternary semiconductor heterojunction nano material; (2) food indigo is adopted to simulate tooth surface pigments, piezoelectric electro-catalytic degradation is carried out by using the SnO2 / SnS2 / Ag2S ternary semiconductor heterojunction nanomaterial, and the pigment degradation efficiency can reach 95% or above; (3) the SnO2 / SnS2 / Ag2S heterojunction nanomaterial is used for piezoelectric electro-catalysis treatment of the streptococcus mutans pellicle, and the antibacterial rate of the pellicle can reach 90% or above; and (4) compared with a 3% H2O2 aqueous solution for treating the enamel surface structure, the SnO2 / SnS2 / Ag2S nano-material piezoelectric electro-catalysis treatment of teeth has small damage to the enamel surface structure. According to the invention, more nano materials with tooth whitening and sterilizing performance and the preparation method thereof are provided, so that the problems of single variety, single preparation method, low electron-hole separation efficiency and large side effect of the existing tooth whitening and sterilizing nano materials are solved.

The invention discloses SGNH family esterase SH2 screened in a Tibetan hot spring environment and application of the SGNH family esterase SH2, and belongs to the technical field of gene engineering. According to the invention, a new SGNH family esterase gene is screened from a Tibetan hot spring environment, and recombinant expression is realized in escherichia coli. The recombinant esterase prepared by the invention has the characteristics of thermal stability, salt resistance, organic solvent resistance and the like, can be safely applied to tooth whitening or skin exfoliating products, avoids damage of traditional chemical bleaching agents to enamel, and has important application value in the fields of daily chemicals, medicines, food processing and the like.

The invention belongs to the technical field of medical materials, and particularly relates to a tooth whitening composition and a preparation method thereof, the tooth whitening composition comprises the following components by weight: 5%-15% of hydrogen peroxide, 0.5%-1.5% of a gel matrix, 0.2%-1.0% of a thickener, 5%-10% of a humectant, 3%-8% of propylene glycol, 0.05%-0.2% of a chelating agent, 1%-3% of a sweetener, 0.1%-0.5% of sodium fluoride, and the balance of water. Aiming at the problems that an existing tooth whitening product is relatively low in pH value (most of 4.0-5.0), easy to irritate gingiva and sensitive in tooth manufacturing, and the existing tooth whitening product needs to be stored in a dark place at a low temperature and is short in whitening validity period, the pH value of the product is adjusted to 5.5-6.5, so that the product is close to oral saliva, the irritation can be reduced, the stability of the product can be ensured, the product is not easy to decompose, and the tooth whitening effect is good. Active ingredients are prevented from losing efficacy in advance, and the whitening validity period is prolonged.

The present disclosure provides tooth whitening oral care compositions comprising potassium peroxymonosulfate having improved stability, and methods of using the same.

The invention discloses a gel composition for improving compatibility and gelling speed of a tooth whitening product. The gel composition comprises whitening gel and a catalyst, respectively filling the whitening glue and the catalyst into a double-barrel injector; when the tooth whitening gel is used, the push rod is pushed, the whitening gel and the catalyst in the double-tube barrel are squeezed out at the same time and mixed at the mixing head to form the tooth whitening gel capable of being smeared on the tooth surface of a patient, and the pH value of the tooth whitening gel is 7.5-10.0. The catalyst comprises potassium salt or strontium salt, sodium fluoride, glycerol, cross-linked polyacrylamide gels, strong alkaline substances, essence and water; the whitening gel comprises a hydrogen peroxide solution, a cross-linked polyacrylamide gel, glycerin, essence and water. The cross-linked polyacrylamide gel is adopted, the gel is resistant to strong-alkalinity and high-pH environment and various inorganic salt ions such as fluoride, sylvite or strontium salt, the prepared gel is stable in form and good in compatibility, the gel preparation process is simple, the gel is rapidly swelled when encountering water and does not huddle, and long-time standing is not needed.

The present disclosure provides tooth whitening oral care compositions comprising potassium peroxymonosulfate having improved stability and methods of using the same.

The tooth whitening gel preparation machine is characterized in that the tooth whitening gel preparation machine comprises an activation reaction kettle, and the activation reaction kettle comprises an activation reaction kettle electrode driving plate unit, an activation reaction kettle electrode, a liquid inlet and outlet unit, a gas inlet and outlet unit and a liquid activation pool; the activation reaction kettle electrode driving plate unit is positioned at the upper part of the activation reaction kettle electrode; the liquid activation pool is positioned at the lower part of the activation reaction kettle electrode; and the liquid activation pool and the activation reaction kettle electrode form a closed cavity. The hydrogen peroxide liquid prepared by the invention not only has high oxidation activity, but also is mild, non-irritant and non-corrosive.

The invention relates to the technical field of oral products, and particularly discloses a manganese tungstate nanoparticle / hydrogen peroxide composition for tooth whitening and a preparation method thereof. The preparation method comprises the following steps: preparing manganese tungstate nano-particles, dispersing tungsten hexacarbonyl and a surfactant in a first organic solvent, adding an oleic acid / oleylamine ligand pair under a first reaction condition, and then carrying out stirring reaction, cooling, centrifuging, washing and drying under a second reaction condition to prepare the manganese tungstate nano-particles. And preparing a manganese tungstate nanoparticle / polyethylene glycol composite material, dispersing the manganese tungstate nanoparticles and a polyethylene glycol derivative in a second organic solvent, uniformly stirring, and carrying out nitrogen drying to prepare the manganese tungstate nanoparticle / polyethylene glycol composite material. The manganese tungstate nanoparticle / polyethylene glycol composite material is dissolved in artificial saliva, a hydrogen peroxide solution is added and mixed, and the manganese tungstate nanoparticle / hydrogen peroxide composition for tooth whitening is prepared.

The invention discloses a tooth whitening gel and a preparation method thereof. The tooth whitening gel comprises the following components in percentage by mass: 5%-25% of a film-forming agent, 0.1%-15% of peroxide, 0.1%-15% of a regulator and 45%-94.8% of a volatile solvent, the film-forming agent is modified ethyl cellulose, and the preparation method comprises the step of treating ethyl cellulose by adopting one or more of irradiation, illumination, oxidation, heating, mechanical pulverization and grinding to obtain the modified ethyl cellulose. The preparation method of the tooth whitening gel comprises the step of uniformly mixing the raw materials including the film-forming agent, the peroxide, the regulator and the volatile solvent to obtain the tooth whitening gel. The tooth whitening gel provided by the invention can be ensured not to be dissolved by saliva after being smeared on teeth, and can be ensured to be completely removed when being removed.

The invention discloses a preparation method of a tooth whitening patch and the tooth whitening patch, and relates to the technical field of tooth whitening patches. The preparation method comprises the following steps: mixing pullulan, polyglutamic acid, calcium phosphosilicate, hyaluronic acid, glycerol, phthalimide peroxyacetic acid, water, essence and sweetening agent to form a gel layer; coating the gel layer on the backing layer; after the back lining layer is coated with the gel layer, the gel layer is covered with the thin film layer through a coating machine for film covering treatment, disinfection is conducted after film covering treatment is completed, and the tooth whitening strip is obtained and rolled; and a die-cutting machine is used for rolling the tooth whitening sticker for die cutting, and the tooth whitening sticker is obtained. The gel layer of the tooth whitening patch adopts the Pulullan and the polyglutamic acid as a film forming main body, so that the tooth patch can be attached to teeth more tightly, whitening factors in the tooth patch can be quickly transferred to the teeth, the action time of the whitening factors is prolonged, and the tooth whitening effect is enhanced.

The present disclosure provides tooth whitening oral care compositions comprising potassium peroxymonosulfate having improved stability and methods of using the same.

The invention discloses a core-shell structure piezoelectric nano-enzyme material and application thereof in oral care, which can generate active oxygen through piezoelectric effect under the action of mechanical stress to realize double effects of tooth whitening and antibiosis. The technology does not need external source energy input, avoids dependence of traditional photocatalysis and chemical bleaching technologies, and is simple and convenient to operate, green and safe. Through in-situ generation of cerium oxide on the surface, the material has dual enzyme activity, effectively balances the antibacterial effect and biological safety, and prevents excessive damage to enamel. In addition, the stability and catalytic efficiency of the material are remarkably improved in a complex oral environment, and the problem of failure of a traditional material is avoided. The technology can be widely applied to oral care products such as toothpaste, mouth wash and antibacterial gel, has remarkable industrialization potential and can bring innovation to the global oral care market.

The utility model provides a tooth whitening liquid delivery instrument which comprises a whitening liquid storage bottle assembly, a handle assembly and a protective cover, and the whitening liquid storage bottle assembly is used for storing whitening liquid; the handle assembly comprises a shell and a driving assembly arranged in the shell, and one end of the whitening liquid storage bottle assembly is arranged on the shell; when the driving assembly executes the first action, the driving assembly applies an acting force to the whitening liquid storage bottle assembly so as to quantitatively extrude the whitening liquid in the whitening liquid storage bottle assembly; when the driving assembly executes the second action, the driving assembly relieves the acting force on the whitening liquid storage bottle assembly; the protection cover covers the whitening liquid storage bottle assembly, is connected with the shell and is used for protecting the whitening liquid storage bottle assembly. The driving assembly applies acting force to the whitening liquid storage bottle assembly, so that the whitening liquid in the whitening liquid storage bottle assembly is quantitatively squeezed out, the tooth whitening effect of the whitening liquid is guaranteed, and the situation that the whitening liquid is excessively squeezed out when the whitening liquid is manually squeezed out, and consequently the whitening liquid is wasted is avoided.

A component system for preparing a physiologically acceptable tooth whitening preparation includes an active ingredient component that includes an organic tooth whitening substance, and an activation component that is designed to adjust a physiologically acceptable pH of the active ingredient component in a range between 7 and 10.5. Further, a stabilized active ingredient component is used in the component system and a method prepares an activated physiologically acceptable tooth whitening preparation.

The utility model relates to the technical field of stirring and mixing equipment for tooth whitening gel production, in particular to a stirring and mixing device for tooth whitening gel production, which comprises a bottom plate, the top surface of the bottom plate is fixedly connected with a stirring tank through supporting legs, and the top surface of the stirring tank is in fit sliding connection with a cover plate. A U-shaped frame is fixedly connected to the surface of the top of the cover plate, a toothed plate is fixedly connected to the surface of the top of the U-shaped frame, a moving box is arranged on the outer side of the toothed plate, a linear guide rail is slidably connected to the rear side of the moving box in an attached mode, and a driving mechanism is arranged on the surface of the front side of the moving box. The driving mechanism comprises a gear box fixedly connected to the surface of the front side of the movement box in a penetrating mode, the linear guide rail, the cover plate, the driving mechanism, the U-shaped frame, the toothed plate, the cleaning tank and the water spraying pipe are arranged, after tooth whitening gel is stirred, the stirring tank and the stirring structure are cleaned conveniently and thoroughly, and the cleaning effect is better.

1. The name of the design product: tooth whitening device (SK-MYY-B). 2. The use of the design product: for tooth cleaning. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

The invention discloses starch-based composite photocatalytic whitening hydrogel as well as a preparation method and application thereof. The preparation method comprises the following steps: compounding a cobalt-modified zirconium-based metal organic framework with oxidized starch, and then preparing the starch-based composite photocatalytic whitening hydrogel through a starch retrogradation method. The PCN-224 (Co) (at) OS composite photocatalytic whitening hydrogel with excellent photocatalytic performance and good biocompatibility is prepared through an in-situ growth method, the hydrogel has adhesion, moisture retention and stability, a more complete pore structure of a metal organic framework material is reserved, and the photocatalytic performance of the hydrogel is brought into play. Compared with traditional hydrogen peroxide blue-light whitening with poor safety, the high-efficiency, lossless and in-situ whitening of teeth is expected to be realized, and a new thought is provided for tooth whitening and development of biomedical green materials, and long-wavelength red light with high biosafety is matched to generate active oxygen to oxidize pigment molecules on the surfaces of the teeth.

Pouches are disclosed that can incorporate components in addition to consumables such as nicotine. Such components can include tooth whitening substances, oral antiseptics, gum or tooth health substances, vitamins, medicaments, and others. Such components can be provided within a pouch with the consumable, be impregnated into a pouch material, or be coated onto a pouch.

The present invention discloses an oral treatment device that emits light onto the surface of a user's teeth. In one aspect, the oral treatment device includes an oral piece in the mouth, the oral piece in the mouth including: a lamp support structure; a first lamp and a second lamp; each of the first lamp and the second lamp is mounted to the lamp support surface, thereby forming a lamp assembly; and a lamp holding component connected to the lamp support structure. In one embodiment, the oral treatment device can be a tooth whitening device.

The present invention relates to a component system for preparing a physiologically acceptable tooth whitening formulation. The component system comprises an active ingredient component comprising an organic tooth whitening substance and an activation component designed to adjust a physiologically acceptable pH of the active ingredient component to a range between 7 and 10.5. The invention further relates to a stabilized active ingredient component and to the use of a component system according to the invention.

Provided according to an embodiment of the present invention is a liquid composition for tooth whitening, which comprises sodium metaphosphate and sodium fluoride (NaF), and has a pH of 4 to 6. The liquid composition for tooth whitening according to the present invention can provide excellent whitening effects while reducing oral irritation.

The application provides a one-dimensional heterojunction mechanoluminescence material, a preparation method and application thereof, and relates to the technical field of preparation of the mechanoluminescence material. 2+ A ZnO / ZnS:Mn heterojunction structure with clear interfaces and built-in electric fields is constructed in the material 2+ . The material prepared by the above method can be driven by the piezoelectric effect and the built-in electric field of the heterojunction under mechanical stress, so that carrier separation and radiation recombination are efficiently driven, and thus the mechanoluminescence is enhanced. After the above material is coupled with a photosensitizer, the photosensitizer can be directly activated by the light generated by daily mechanical stimulation such as tooth brushing, so that the "mechanical-light-chemical" tooth whitening without external power supply is realized.

A teeth whitening system that emits electromagnetic radiation onto surfaces of a user's teeth when a tooth whitening material is in contact with the user's teeth. In one aspect, the teeth whitening system includes a mouthpiece comprising a wall and a bite platform extending from the wall and an electromagnetic radiation source coupled to the mouthpiece and configured to emit electromagnetic radiation onto surfaces of the user's teeth that are positioned in the first channel. The tooth whitening system may alternatively include rupturable bladders containing teeth whitening material.

The utility model discloses a cleaning device for tooth whitening, and relates to the technical field of cleaning devices. The bottom surface of the handheld cylinder is fixedly connected with a liquid storage cylinder, the side wall of the liquid storage cylinder is fixedly connected with a transparent plate in a penetrating manner, the top surface of the handheld cylinder is fixedly connected with a rubber sleeve, the inner side wall of the handheld cylinder is fixedly connected with a convex plate, one side of the convex plate is provided with a motor, and the output shaft end of the motor is fixedly connected with a movable plate; a shifting rod is fixedly connected to the side wall of the movable plate and located on one side of the motor, an annular plate is arranged on the side, opposite to the motor, of the protruding plate and comprises an annular opening, the shifting rod is located in the annular opening and matched with the annular opening, a fixed plate is fixedly connected to the top face of the annular plate, and a tooth washing pipe is fixedly connected to the side wall of the fixed plate in a penetrating mode. The tooth cleaner is small, exquisite, convenient to use and capable of cleaning teeth so as to remove residual objects on the surfaces of the teeth and improve the whitening degree of the teeth.

The present disclosure provides a tooth whitening strip comprising a hydratable adhesive film comprising an inorganic salt of peroxymonosulfate, preferably an alkali metal salt or alkaline earth metal salt, or mixtures thereof, and methods of using the same.

The application discloses a film-forming easy-to-remove low-irritation tooth whitening gel and a preparation method thereof. The film-forming easy-to-remove low-irritation tooth whitening gel comprises 1-30% of a film-forming agent, 1-15% of a plasticizer, 0.1-15% of a peroxide, 0.1-15% of a regulator and 40-95% of a volatile solvent in percentage by mass. The preparation method comprises the following steps: uniformly mixing raw materials including the film-forming agent, the plasticizer, the peroxide, the regulator and the volatile solvent to obtain the film-forming easy-to-remove low-irritation tooth whitening gel. The tooth whitening gel has better film-forming property, lower irritation, better safety in use, better whitening effect and better removal after use, and does not use a carboxyl group as an adhesion group by jointly matching the film-forming agent and the plasticizer.

The invention belongs to the technical field of supramolecular gels, and relates to a tooth whitening gel and a preparation method thereof, the tooth whitening gel is prepared from the following raw materials: a hydrogen peroxide aqueous solution, a glycyrrhizic acid compound, polyvinyl alcohol, carbomer, glycerin and water; the polyvinyl alcohol and the glycyrrhizic acid compound generate a first cross-linked network structure, and the carbomer and the glycyrrhizic acid compound are self-assembled to form a fibrous aggregate to form a second cross-linked network structure; the second cross-linked network structure and the first cross-linked network structure cooperate to fix hydrogen peroxide molecules. According to the hydrogen peroxide gel, the viscosity, the stability and the coating property of the gel are synergistically improved by constructing a double-network structure, the concentration of hydrogen peroxide can be adjusted according to requirements, the preservation time is long, and the tooth whitening capability is high; the potential leakage risk of the hydrogen peroxide solution in the storage, transportation and application processes is reduced, and the requirements of people on tooth whitening are met.

A tooth whitening gel preparation machine comprises a bottle C for containing a raw material C, a stirrer and a power driving module, the stirrer is arranged in the bottle C, and the stirrer comprises a magnetic material or an iron material attracted with the magnetic material; the power driving module drives a structure which is magnetically attracted to the stirrer to rotate, so that the stirrer is driven by magnetic attraction force to rotate in the bottle C, and raw materials in the bottle are stirred; the raw material B rotating motor is used for driving a bottle B filled with a raw material B to rotate to a position where the raw material B titrator extracts the raw material B through a mechanical arm; the position where the raw material B is extracted by the raw material B titrator and the titration position of the bottle C where the raw material B is dripped into the bottle C before secondary stirring are the same, and the bottle B and the bottle C rotate on the same plane. By means of the device, the non-contact and automatic stirring effect on raw materials in a closed space can be achieved, and therefore the medical grade clean standard and the production efficiency of consumables are guaranteed.

A gum-protecting teeth whitening strip comprising 0.5-30 parts polyacrylic copolymer for gelling and sealing, 10-50 parts water, 0.1-15 parts whitening agent, 0.01-2 parts pH regulator, 0.01-3 parts s

The present disclosure provides tooth whitening oral care compositions comprising potassium peroxymonosulfate having improved stability, and methods of using the same.