119 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 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 relates to the technical field of microorganisms, in particular to a viable bacterium preparation of a lactobacillus paracasei strain as well as a preparation method and application of the viable bacterium preparation. The viable bacterium preparation comprises a lactobacillus paracasei strain and auxiliary materials, and the preservation number of the lactobacillus paracasei strain is CGMCC (China General Microbiological Culture Collection Center) No.27974. The viable bacterium preparation can inhibit the growth of streptococcus mutans, reduce the formation of a dental plaque biofilm caused by the streptococcus mutans, reduce the content of a mature dental plaque biofilm, inhibit the level of water-insoluble exopolysaccharides generated by the streptococcus mutans, reduce the expression quantity of cariogenic genes gtfB, gtfC, gtfD, ftf and LuxS of the streptococcus mutans, improve the cariogenic activity of the streptococcus mutans and improve the cariogenic activity of the streptococcus mutans. The adhesion rate of streptococcus mutans on a hydroxyapatite tooth model is reduced, and a beneficial in-vitro probiotic function is achieved.

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.

The invention relates to the technical field of microorganisms, in particular to a lactobacillus paracasei strain as well as a fermentation product and application thereof. The preservation number of the lactobacillus paracasei strain is CGMCC (China General Microbiological Culture Collection Center) No.27974. The Lactobacillus paracasei can inhibit the growth of Streptococcus mutans, reduce the formation of a dental plaque biofilm caused by Streptococcus mutans, reduce the content of a mature dental plaque biofilm, inhibit the level of water-insoluble exopolysaccharides generated by Streptococcus mutans, and reduce the expression quantity of cariogenic genes gtfB, gtfC, gtfD, ftf and LuxS of Streptococcus mutans, and can be used for fermentation production of fermented milk. And oat milk and other fermentation products.

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 silicon dioxide, and discloses a cleaning material silicon dioxide for toothpaste and a preparation method thereof. The cleaning material silicon dioxide for the toothpaste is obtained by adding a nano-silicon dioxide modified polyethoxylene ether surfactant, quaternary ammonium salt modified chitosan modified nano-silicon dioxide particles and silica sol into a reactor and stirring. The silane coupling agent enables silicon dioxide particles to be more uniformly dispersed in the cleaning material, so that the contact area between the cleaning material and dirt is increased; hydrophobic groups of polyethoxylene ether molecules can be adsorbed to the surfaces of dirt particles, and a colloidal dispersion system formed by hydrophilic groups and water molecules can wrap the dirt particles and then wash away along with water flow. Silane coupling agent modified nano silicon dioxide and polyethoxylene ether play a synergistic effect, so that the cleaning effect is further improved; positive ions in the quaternary ammonium salt can adsorb negatively charged bacteria, so that dental plaque is reduced; and chitosan is grafted with quaternary ammonium salt, so that the positive charge density is improved, and the cleaning effect is further improved.

The invention discloses a combined lactobacillus salivarius CCFM1397 for improving osteoblast activity and relieving bone resorption and periodontal tissue damage and a metagen thereof, and belongs to the technical field of microorganisms. The lactobacillus salivarius combination CCFM1397 provided by the invention is separated from oral dental plaque of healthy teenagers, has the effects of relieving bone resorption and resisting inflammation, and is specifically reflected in that: the expression of MC3T3-E1 cell osteoprotegerin (OPG) protein and gene level is improved in vitro; the bone absorption amount of orthodontic bone absorption rat alveolar bone is reduced, the number of alveolar bone osteoclasts is reduced, and the level of rat serum OPG is improved; the secretion of inflammatory factors IL-1beta, IL-6 and TNF-alpha and myeloperoxidase MPO of the orthodontic bone absorption rats is reduced; and the pathological condition of orthodontic bone absorption rat alveolar bone tissue is improved. Therefore, the combined lactobacillus salivarius has a huge application prospect in products for relieving bone resorption and assisting in inhibiting periodontal tissue inflammation.

The invention provides an intelligent oral hygiene auxiliary monitoring and early warning system and method.The system comprises an electric toothbrush, the electric toothbrush comprises a brush handle and a brush head, the brush head is provided with bristles, the system further comprises an oral hygiene auxiliary inspection system, and the oral hygiene auxiliary inspection system comprises a microprocessor, a lighting module, an image acquisition module, a storage module and a display module; the brush head is provided with a lighting module and an image acquisition module, the image acquisition module acquires an original tooth image in an oral cavity and sends the original tooth image to the microprocessor, and the microprocessor analyzes and processes the received original tooth image to obtain tooth image information including a tooth image, a plaque image and position positioning information of the plaque image; the tooth image information is sent to a display module for visual plaque position image early warning; according to the invention, the electric toothbrush is taken as a carrier, and cariogenic dental plaque hidden in the visual blind area in the oral cavity can be automatically identified by acquiring the tooth image information in the oral cavity, so that effective monitoring and identification of the dental plaque are realized.

The present invention relates to a composite probiotic for regulating oral microecological environment and application thereof. The composite probiotic for regulating oral microecological environment comprises inactivated Lactobacillus paracasei with a preservation number of CGMCC No.30464. Lacticaseibacillus paracasei FB97 strain and inactivated Lactobacillus rhamnosus with a deposit number of CGMCC No.31054 Lacticaseibacillus rhamnosus When the RH22 strain is used in combination, the two can cooperate and promote each other, synergizing in promoting the health of the oral microecological environment. Specifically, they have significant effects in inhibiting the growth of harmful oral bacteria, promoting the proliferation of beneficial bacteria, and inhibiting the formation of dental plaque.

The invention relates to the technical field of microorganisms, in particular to a lactobacillus paracasei strain and application thereof. The preservation number of the lactobacillus paracasei strain is CGMCC (China General Microbiological Culture Collection Center) No.27975. The lactobacillus paracasei disclosed by the invention can tolerate an oral environment, inhibit proliferation of streptococcus mutans and remarkably inhibit adhesion of the streptococcus mutans on a hydroxyapatite tooth model; the level of producing water-insoluble exopolysaccharides by streptococcus mutans is reduced, the formation of a dental plaque biofilm caused by streptococcus mutans is effectively reduced, the content of a mature dental plaque biofilm is reduced, and the biofilm is not easy to form; the expression quantity of cariogenic genes gtfB, gtfC, gtfD, ftf and LuxS of streptococcus mutans can be obviously reduced.

The invention relates to a tooth cleaning collagen chew for dogs and a preparation method of the tooth cleaning collagen chew, and belongs to the technical field of pet tooth cleaning. The tooth cleaning collagen chew for dogs is prepared from the following components in parts by weight: 38 to 42 parts of cow leather, 38 to 42 parts of gelatin, 14 to 16 parts of rice, 6 to 8 parts of glycerol, 0.4 to 0.6 part of ascophyllum nodosum, 0.1 to 0.5 part of citric acid, 0.2 to 0.9 part of sodium hexametaphosphate and 0.005 to 0.05 part of tea polyphenol. By reasonably selecting and matching the raw materials and improving the production process, the tooth cleaning agent has an excellent tooth cleaning effect, can effectively remove and control dental plaque and dental calculus, is moderate in hardness and high in biting resistance, is easy to digest, and has important market economic value.

The invention relates to the technical field of microorganisms, in particular to a viable bacterium preparation with the effect of preventing or treating decayed teeth as well as a preparation method and application of the viable bacterium preparation. The viable bacterium preparation comprises a lactobacillus paracasei strain and auxiliary materials, and the preservation number of the lactobacillus paracasei strain is CGMCC (China General Microbiological Culture Collection Center) No.27975. The viable bacterium preparation can inhibit the proliferation of streptococcus mutans and significantly inhibit the adhesion of streptococcus mutans on a hydroxyapatite tooth model; the level of producing water-insoluble exopolysaccharides by streptococcus mutans is reduced, the formation of a dental plaque biofilm caused by streptococcus mutans is effectively reduced, the content of a mature dental plaque biofilm is reduced, and the biofilm is not easy to form; the expression quantity of cariogenic genes gtfB, gtfC, gtfD, ftf and LuxS of streptococcus mutans can be obviously reduced.

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.

Devices and systems for removing plaque / oral biofilm from a target surface or all surfaces of teeth and methods of use thereof. The apparatus includes a socket head (HO), a socket ball (130), and a pair of opposing double flaps (120a, 120b). The socket ball (130) is mounted in a joint housing (111) of the socket head (110), forming a socket ball joint (160). Two flaps (120a, 120b) are connected to the socket (HO) and extend downward. Each wing (120a, 120b) may include one or more cleaning elements, such as a water cannon, a water cannon fold (495, 496, 497), a large / micro nozzle, and / or a large / micro nozzle coupled water cannon. Systems (1000) containing a device for oral cleaning generally include one or more additional components configured to couple the device to an element for user operation and link the device to a flow path to provide a fluid / air flow path for supplying liquid and / or air to the device.

The application discloses a lactobacillus plantarum (RP2508088-4) and an application thereof, and belongs to the technical field of microorganisms. Lactobacillus plantarum The lactobacillus plantarum RP2508088-4 is preserved in the China Center for Type Culture Collection on January 20, 2026, and the preservation number is CCTCC NO: M 2026167. The lactobacillus plantarum has a strong bacteriostatic effect on Porphyromonas gingivalis causing dental plaque. A preparation for reducing animal oral cavity odor prepared by taking the lactobacillus plantarum as a main raw material can inhibit the formation of oral cavity biofilm, relieve oral cavity inflammation, and reduce the generation of typical odor molecules dimethyl disulfide, dipropyl disulfide and (E)-2-heptenal, thereby improving the animal oral cavity odor.

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. Name of the designed product: front end of intra-oral camera 2. Use of the designed product: the designed product as a whole is an intra-oral camera for checking dental plaque and the like in the oral cavity; the part claimed for protection is the front end of the intra-oral camera. 3. Design points of the designed product: the shape of the part claimed for protection shown in Fig. 1. 4. Picture or photograph best indicating the design points: Fig. 1. 5. Other components to be explained: the designed product is a partial design; the part shown in solid line is the part claimed for protection as a partial design; the shaded part in Fig. 1 is transparent.

1. Name of the designed product: toothbrush (709 dental plaque). 2. Use of the designed product: toothbrush for oral cleaning. 3. Design points of the designed product: combination of shape and pattern. 4. Picture or photo best indicating the design points: perspective view.