92 results about "Dental plaque" patented technology

The disclosure herein relates to systems, methods, and devices for medical image analysis, diagnosis, risk stratification, decision making and / or disease tracking. In some embodiments, the systems, devices, and methods described herein are configured to analyze non-invasive medical images of a subject to automatically and / or dynamically identify one or more features, such as plaque and vessels, and / or derive one or more quantified plaque parameters, such as radiodensity, radiodensity composition, volume, radiodensity heterogeneity, geometry, location, and / or the like. In some embodiments, the systems, devices, and methods described herein are further configured to generate one or more assessments of plaque-based diseases from raw medical images using one or more of the identified features and / or quantified parameters.

The disclosure herein relates to systems, methods, and devices for medical image analysis, diagnosis, risk stratification, decision making and / or disease tracking. In some embodiments, the systems, devices, and methods described herein are configured to analyze non-invasive medical images of a subject to automatically and / or dynamically identify one or more features, such as plaque and vessels, and / or derive one or more quantified plaque parameters, such as radiodensity, radiodensity composition, volume, radiodensity heterogeneity, geometry, location, and / or the like. In some embodiments, the systems, devices, and methods described herein are further configured to generate one or more assessments of plaque-based diseases from raw medical images using one or more of the identified features and / or quantified parameters.

The disclosure herein relates to systems, methods, and devices for medical image analysis, diagnosis, risk stratification, decision making and / or disease tracking. In some embodiments, the systems, devices, and methods described herein are configured to analyze non-invasive medical images of a subject to automatically and / or dynamically identify one or more features, such as plaque and vessels, and / or derive one or more quantified plaque parameters, such as radiodensity, radiodensity composition, volume, radiodensity heterogeneity, geometry, location, and / or the like. In some embodiments, the systems, devices, and methods described herein are further configured to generate one or more assessments of plaque-based diseases from raw medical images using one or more of the identified features and / or quantified parameters.

The invention discloses a dental plaque display type anti-caries invisible appliance based on synergism of iron-based nano-enzyme catalysis and traditional Chinese medicine caries inhibition, and belongs to the field of oral medical instruments. The preparation method of the appliance diaphragm comprises the following steps: preparing a composite material with the functions of catalytically degrading a bacterial biofilm matrix barrier and killing internal bacteria from polyethylene glycol terephthalate-1, 4-cyclohexanedimethanol (PETG) and a Fe3O4 nano-enzyme filler in a solution blending manner; and after the composite material is subjected to thermoplastic molding, a layer of molecularly imprinted polymer (MIP)-spiropyrane and chitosan-magnolol are coated with the fluorescent display agent which is prepared by mixing the molecularly imprinted polymer (MIP)-spiropyrane and the chitosan-magnolol. The iron-based nano-enzyme can catalytically degrade a bacterial biofilm matrix barrier and kill internal bacteria, and the MIP-spiropyrane fluorescent display agent can specifically display the accumulation condition of cariogenic bacterial plaque in the oral cavity under ultraviolet irradiation. The invisible orthodontic appliance can reduce or prevent caries while having the same orthodontic effect as other orthodontic appliances in the market.

A computer-implemented method of providing plaque data (110) for a plaque deposit (120) in a vessel (130), is provided. The method includes: receiving (S110) computed tomography, CT, data (140) representing the vessel (130); generating (S120), from the CT data (140), a cross-sectional representation (150) of the vessel (130) at each of a plurality of positions (A-A′, B-B′) along the vessel; extracting (S130), from the cross-sectional representations, plaque data (110) comprising at least one measurement of the plaque deposit (120) at the plurality of positions along the vessel; and outputting (S140) a graphical representation of the plaque data (110).

The invention relates to the technical field of microorganisms, in particular to plant lactobacillus BR32 with functions of preventing decayed teeth and improving inflammation and application of the plant lactobacillus BR32. The plant lactobacillus BR32 with the functions of preventing decayed teeth and improving inflammation, provided by the invention, has the preservation number of CGMCC No.32836, has an inhibiting effect on the growth of oral pathogens such as streptococcus mutans, candida albicans and porphyromonas gingivalis, is high in oxidation resistance, is beneficial to continuous oral cavity stability maintenance through a synergistic effect, also has relatively high hydrophobicity and self-agglutination capability, and can be used for preparing oral cavity health-care products. The compound is low in tooth environment corrosion, high in lysozyme tolerance and good in oral colonization capacity, does not have a hemolysis phenomenon in in-vitro hemolysis culture, is sensitive to common antibiotics and has relatively high food safety. The invention further provides a microbial agent, a probiotic product, a functional food, a fermented product, a bacteriostatic agent and an oral product containing the plant lactobacillus BR32 with the functions of preventing the decayed teeth and improving the inflammation, and the effects of preventing the decayed teeth, improving the inflammation, preventing dental plaque, relieving oral ulcer and the like are achieved.

To provide a bactericidal agent for penetration into the deep layer of dental plaque that allows a bactericidal component to penetrate from the surface layer to the inner deep layer of dental plaque.SOLUTION: Provided is a bactericidal agent for penetration into the deep layer of dental plaque that comprises glycyrrhetinic acid (X) and a cationic bactericidal agent (Y) as active ingredients.SELECTED DRAWING: None

An oral care device and a control method thereof are provided. The control method includes obtaining an oral care instruction; determining a first driving signal and a second driving signal corresponding to the oral care instruction in response to the oral care instruction, controlling a care component to generate a first motion based on the first driving signal, and controlling the care component to generate a second motion based on the second driving signal; and alternately outputting the first driving signal and the second driving signal to control the care component to alternately output the first motion and the second motion. A motion path of the first motion is different from a motion path of the second motion. The oral care device is able to apply forces to remove tartar or dental plaque on tooth surface in different directions.

A tableted effervescing dental treatment composition which provides for refreshing and / or dental plaque reduction would introduce, maintain within the oral cavity, which treatment composition is ingestible, and which forms a foam after introduction into the mouth. Methods for the manufacture of the effervescing dental treatment composition and treatment methods using the same are also disclosed.

The invention relates to the technical field of temperature-sensitive gel, in particular to a dental plaque temperature-sensitive gel color developing agent. The temperature-sensitive gel color developing agent for dental plaque comprises the following components in percentage by mass volume: 0.4-5% of food coloring; 0.5%-2% of a charge protective agent; 0.5%-3% of an adhesive material; 10%-55% of a temperature-sensitive material; 0.05%-0.3% of a bacteriostatic agent and a proper amount of water. The color developing agent is safe and non-toxic, is a flowing liquid at room temperature, is converted into a gel solid from a liquid state when the color developing agent is coated on the tooth surface to reach a phase transition temperature, can effectively reduce the problem of non-specific adsorption compared with a liquid color developing agent, and is easy to remove after being used.

The invention belongs to the technical field of daily chemicals, and particularly relates to Chinese herbal medicine three-color strip toothpaste and a preparation method thereof. The Chinese herbal medicine three-color strip toothpaste comprises a faint yellow paste body, a green paste body and a blue paste body, the faint yellow paste body comprises, by mass, 0.1%-2% of chitosan quaternary ammonium salt and 0.1%-1% of an ovateleaf holly bark extract, and the green paste body comprises, by mass, 0.002%-0.15% of sodium copper chlorophyllin and 0.1%-1% of the ovateleaf holly bark extract. The blue paste is prepared from the following components in percentage by mass: 0.03 to 0.15 percent of guaiazulene sodium sulfonate and 0.1 to 1 percent of ovateleaf holly bark extract. According to the Chinese herbal medicine three-color-strip toothpaste and the preparation method thereof provided by the invention, the three-color-strip toothpaste is obtained under the condition that exogenous pigments are not added; the toothpaste can achieve the compound effects of freshening breath, inhibiting dental plaque and oral pathogenic bacteria, resisting inflammation, diminishing swelling, resisting allergy, relieving gingivitis and promoting healing and repairing of recurrent oral ulceration, can promote enamel remineralization and pore repairing, and is high in effect synergy, paste stability and use safety.

To provide an oral cleaning kit that can effectively remove dirt and plaque attached to teeth and decompose (kill) the bacteria that cause cavities and periodontal disease in the oral cavity, with only a short time and very simple actions. [Solution] The oral cleaning kit 1 of the present invention includes a container body having an opening 3d and a bottom 3e, a lid 5 that can be attached to the opening of the container body, a plurality of metallic magnesium particles contained within the container body, and a filter body 4 that, when placed inside the container body, can separate the inside of the container body into a first region on the opening side and a second region on the bottom side, through which water can pass but through which the particles cannot.

The present invention discloses an anti-caries oral care composition containing patchouli essential oil and its application. The composition also includes at least one of cinnamon essential oil or amomum essential oil. The present invention creatively combines patchouli essential oil with cinnamon essential oil or amomum essential oil (or a mixture of the two), and gives full play to the synergistic effect between the essential oil components through a scientific compounding strategy. This compounding scheme is intended to act efficiently on oral cells to achieve the inhibition of harmful microorganisms. Specifically, the composition not only has significant antibacterial and anti-inflammatory functions, can effectively reduce the number of pathogenic bacteria in the oral cavity, but also can inhibit the formation of dental plaque and slow down the development of caries through a continuous mechanism of action. In addition, the invention also demonstrates comprehensive care for oral health, providing multiple protective effects including improving breath and enhancing gum health, thereby comprehensively improving the overall defense capability and comfort of the oral cavity.

The utility model discloses a bone wall thickness measuring device for dental implant, which belongs to the technical field of dental implant, and comprises a grab handle and a mounting box, the mounting box is fixedly connected to one end of the grab handle, a measuring mechanism is arranged inside the mounting box, a cleaning mechanism is arranged outside the grab handle, and the cleaning mechanism is connected with the grab handle. The cleaning mechanism comprises a connecting water pipe fixedly connected to the interior of the grab handle, a water pump is arranged at one end of the connecting water pipe, a water inlet pipe of the water pump is communicated with a liquid storage bottle, the other end of the connecting water pipe penetrates through one side of the grab handle and is communicated with a nozzle, and the nozzle is arranged below the mounting box. Medical staff can control the water pump through the control switch to suck cleaning liquid in the liquid storage bottle into the connecting pipeline, and finally spray the cleaning liquid to the tartar through the nozzle, so that the tartar is cleaned, the problem that the traditional measuring device cannot directly clean the tartar during measurement is effectively solved, and the measuring process before tooth implantation is simplified.

This image processing method is for displaying a dental plaque region on the basis of an image obtained by photographing teeth and dental plaque undergoing a fluorescence reaction as a result of being irradiated with light including a wavelength band of blue light, said method comprising: detecting a natural tooth region from the region of the teeth on the basis of the image (S201-S206); detecting plaque regions on the basis of the image (S207); and displaying a plaque region exclusively in the natural tooth region (S105). For example, the image processing method may involve, in detecting a natural tooth region, detecting a first region that is (i) a region, among all pixel regions of the image, having a luminance value equal to or greater than a predetermined first threshold or (ii) a region, among all pixel regions of the image, having a green pixel value equal to or greater than a predetermined second threshold, and detecting a natural tooth region on the basis of the first region.

Disclosed herein are methods of identifying a companion animal as being at risk of oral disease or condition comprising obtaining a plaque sample from a tooth of the companion animal; determining a relative abundance of each of positive effect microbiotic species, negative effect microbiotic species, early colonizers, late colonizers, and positive effect phyla in the first plaque sample; and calculating a Tooth Microbiome Gingival Index (TMGI) score. Also disclosed herein are methods of determining whether a pet food composition improves the oral health of a companion animal, methods for preventing or treating an oral disease or condition in a companion animal, and kits for identifying a companion animal as being at risk of an oral disease or condition.

1. The name of this design product: Tartar Detection Kit. 2. Purpose of the product of this design: Used for in vitro qualitative and quantitative detection of Helicobacter pylori in human dental plaque. 3. The key design point of this design product lies in the combination of shape and pattern. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

Provided is a technique for inhibiting plaque formation or plaque maturation on the tooth surface. More specifically, provided is a composition for inhibiting plaque formation containing a quaternary ammonium salt having a C10 to C14 alkyl group and preferably further containing cetylpyridinium chloride.

The present disclosure relates to a plaque disclosing composition containing riboflavin 5-phosphate sodium, a method for disclosing a plaque, wherein the plaque is an acquired pellicle, and a method for collecting and analyzing an information about the amount and characteristics of dental plaque by analyzing the color and intensity of fluorescence emitted by riboflavin 5-phosphate sodium for effective treatment of dental plaque even at an early stage.

Provided is an image processing method for displaying a dental plaque region on the basis of an RGB image obtained by imaging teeth and dental plaque undergoing fluorescence reaction by irradiating the teeth with light including a wavelength region of blue light, the image processing method comprising: acquiring an input level of external light entering an imaging region for the RGB image (S12); performing dental plaque detection processing on the basis of the RGB image (S13); and displaying the result of dental plaque detection in different manners depending on the incident level of the external light entering the imaging region for the RGB image (S15, S16).

An oral care composition comprising a source of stannous ions and a surfactant combination of taurine salt and an amphoteric surfactant (e.g., betaine) effective to treat dental plaque biofilms and neutralize bacterial toxins while providing an improved sensory experience.

One aspect of the invention relates to an oral health enzyme complex for the treatment of plaque and plaque bacterial biofilms and for the natural whitening of tooth enamel, comprising the combination of:-a sucrase enzyme, in particular a beta-2, 6 and / or beta-2, 1 bond capable of hydrolyzing sucrose; -a mixture of glucanohydrolases comprising a mutanase having excision activity and obtained from fungi, and a mutanase having excision activity and obtained from bacteria, in particular capable of hydrolyzing (1-3)-alpha-D-glucan and (1-6)-alpha-D-glucan; -a glycoside hydrolase enzyme, in particular a (1-6)-alpha-D glycosidic bond capable of hydrolyzing monosaccharide dimers and trimers; an oxide reductase, in particular capable of forming hydrogen peroxide from glucose and monosaccharide monomers; -a peroxidase, in particular capable of converting thiocyanates into hypothiocyanates in the presence of hydrogen peroxide.

The present disclosure provides an anti-caries anhydrous gel, a preparation method therefor, and use thereof, and a tubular anti-caries anhydrous gel, relating to the technical field of dental gels. According to the present disclosure, polyethylene glycol and / or glycerol as well as absolute ethanol are used as an anhydrous matrix, thereby achieving coexistence of a bioactive material and a high-concentration fluorine ion source; by adding a hydrophobic copolymer as a film-forming agent, the anti-caries anhydrous gel can immediately form a layer of transparent film on the tooth surface after being applied to the teeth, so that effective components are controlled to be slowly released, thereby prolonging the action time of the anti-caries gel on the teeth, improving the remineralization effect of the anti-caries gel, and solving defects of traditional remineralization products such as dissolution after encountering saliva, which leads to short residence time on the tooth surface and thus causes local remineralization-promoting ions to be insufficient due to loss. By adding an antibacterial agent, formation of a dental plaque biofilm can be inhibited by means of the slow-release effect, thereby avoiding aggravation of white spot lesions caused by dental plaque accumulation, which is more conducive to preventing and treating orthodontic white spots during the correction treatment period.

This invention discloses a tooth powder with whitening, stain removal, and anti-inflammatory effects, and its preparation method. The tooth powder is a compound of a whitening system, an antibacterial and anti-inflammatory system and a microbiome regulation system, a repair and abrasion system, and a taste-correcting and preservative system. Its core utilizes a specifically formulated biofilm complex enzyme, which can efficiently decompose dental plaque biofilm. Combined with sodium phytate and niacinamide, it achieves gentle whitening and stain removal; with epigallocatechin gallate and baicalin, it achieves targeted antibacterial and anti-inflammatory effects; with probiotic components, it regulates the oral microbiome; and with hydroxyapatite and 45S5 bioactive glass, it repairs tooth enamel. This invention employs customized embedding technology and a graded low-temperature preparation process, significantly improving the storage stability of the active ingredients. The tooth powder of this invention is gentle and non-irritating, does not damage tooth enamel, does not disrupt the oral microecological balance, and has multiple oral care effects with long-lasting and non-rebounding results, making it suitable for large-scale industrial production and long-term use by various population groups.

This dentition image generation device comprises: an acquisition unit (51) that acquires captured images obtained by imaging dental plaque and the surface of a dentition in an oral cavity irradiated with light including a wavelength region of blue light; a processing unit (52) that performs white balance processing on each of a plurality of first dentition block images that are partial dentition images based on the captured images and thereby generates a plurality of second dentition block images; and a synthesis unit (53) that synthesizes the plurality of second dentition block images to generate a dentition image.

The present disclosure provides an anti-caries anhydrous gel, a preparation method therefor, and use thereof, and a tubular anti-caries anhydrous gel, relating to the technical field of dental gels. According to the present disclosure, polyethylene glycol and / or glycerol as well as absolute ethanol are used as an anhydrous matrix, thereby achieving coexistence of a bioactive material and a high-concentration fluorine ion source; by adding a hydrophobic copolymer as a film-forming agent, the anti-caries anhydrous gel can immediately form a layer of transparent film on the tooth surface after being applied to the teeth, so that effective components are controlled to be slowly released, thereby prolonging the action time of the anti-caries gel on the teeth, improving the remineralization effect of the anti-caries gel, and solving defects of traditional remineralization products such as dissolution after encountering saliva, which leads to short residence time on the tooth surface and thus causes local remineralization-promoting ions to be insufficient due to loss. By adding an antibacterial agent, formation of a dental plaque biofilm can be inhibited by means of the slow-release effect, thereby avoiding aggravation of white spot lesions caused by dental plaque accumulation, which is more conducive to preventing and treating orthodontic white spots during the correction treatment period.

The objective is to provide a detection device that can detect both the amount and location of plaque attached to teeth, and accurately determine the amount of plaque within a specified range. [Solution] The detection system 1 is a detection system that detects fluorescence emitted by exciting a target object in the oral cavity of a subject, and comprises a housing 15 having a main body 10 and an insertion part 11 located at one end of the main body 10 and inserted into the oral cavity of a subject, a light guide part 23 arranged in the insertion part 11 and guiding fluorescence to the main body, a photodetection unit 24 that outputs the fluorescence intensity incident via the light guide part 23 as an intensity signal, an acceleration sensor that outputs a physical quantity related to the acceleration applied to the housing 15 as an acceleration signal, and a generation unit 32 that generates detection position information indicating the fluorescence intensity corresponding to the position of the target object based on the intensity signal and the acceleration signal.

The invention discloses toothpaste with a tooth whitening function and a preparation process thereof, and relates to the technical field of toothpaste production and processing. The shower gel comprises the following components: 50% of a humectant, 22.00% of hydrated silica, 18.00% of water, 2.91% of propylene glycol, 2.1% of a cleaning agent, 0.60% of essence, 0.60% of cellulose gum, 0.50% of sodium phytate, 0.50% of a PVM / MA copolymer, 0.50% of CI 77891, 0.36% of menthol, 0.30% of xanthan gum, 0.30% of tetrasodium pyrophosphate, 0.24% of menthane formylethylamine and 0.5% of a coloring agent. According to the toothpaste disclosed by the invention, by adding the PVM / MA copolymer, the growth of bacteria in an oral cavity can be effectively inhibited, and the adhesive power of streptococcus mutans can be remarkably reduced, so that the formation of dental plaque is reduced.

An oral care composition comprising a source of stannous ions, a taurine salt surfactant, and a source of soluble or partially soluble zinc ions effective to treat dental plaque biofilms and neutralize bacterial toxins while providing an improved sensory experience.

The invention relates to the field of oral / dental hygiene and health, in particular a product extracted from Saccharomyces cerevisiae yeast cell walls that is rich in β-glucans and intended for use in reducing and / or preventing the formation of dental biofilm formation.