428 results about "Tooth caries" patented technology

Methods and apparatuses for generating a model of a subject's teeth. Described herein are intraoral scanning methods and apparatuses for generating a three-dimensional model of a subject's intraoral region (e.g., teeth) including both surface features and internal features. These methods and apparatuses may be used for identifying and evaluating lesions, caries and cracks in the teeth. Any of these methods and apparatuses may use minimum scattering coefficients and/or segmentation to form a volumetric model of the teeth.

The invention relates to a hand-mouth baby wet tissue and a preparation method thereof. The hand-mouth baby wet tissue is composed of compound wet tissue liquid and non-woven fabrics for holding the compound wet tissue liquid, wherein every 100 parts of the compound wet tissue liquid comprises the following components in percent by weight: 0.01%-7.5% of a sweetening agent, 0.01-2.0% of a preservative, 0.01%-2.0% of a cleaning agent, 0.05%-5.0% of a solubilizer, 0-10.0% of a humectant, 0-5.0% of a skin care agent, 0-5.0% of an acidity regulator, 0-5.0% of essential oil, 0-5.0% of a stabilizer, 0-1.0% of natural essence, and the balance of pure water. The hand-mouth baby wet tissue has the advantages that edible sweetening agent is added into the compound wet tissue liquid to promote spittle secretion of babies, relieve the drop of pH value in the oral cavity and prevent the formation of decayed teeth. The product formula is stable and safe, and the material components are non-toxic. The formula is safe, non-irritant and non-corrosive, so that the allergic risks are reduced to be the lowest. The hand-mouth baby wet tissue can be used for cleaning the hands and mouths of an infant, infant tableware and other infant supplies and toys.

A camera head of a dental camera for detecting caries in an interdental space has an illuminating device for illuminating a tooth adjacent to the interdental space, which includes an infrared light source. The camera head further includes optics which have an image plane and an object plane, wherein an image sensor is located in the image plane, and the object plane divides the space into two half spaces, wherein a first half space contains the optics and is located in front of the object plane, and a second half space is located behind the object plane, both as seen from the optics. The illuminating device and the optics are designed and arranged with respect to one another in such a way that the illuminating device is arranged in the first half space and infrared light exiting the illuminating device is aimed in the direction of the second half space.

The present invention provides a novel composition of matter comprised of a mixture of two specific classes of compounds—Free-B-Ring flavonoids and flavans—for use in the prevention and treatment of diseases and conditions associated with mouth, gums and teeth. This composition of matter simultaneously inhibits cyclooxygenase (COX) and lipoxygenase (LOX) enzymatic activity and reduces cytokine production at the mRNA level in normal, aged and damaged periodontal cells and tissues. This invention further provides a method for the prevention and treatment of diseases and conditions of the mouth, gums and teeth. The method for preventing and treating diseases and conditions of the mouth, teeth and gums is comprised of administering to a host in need thereof a therapeutically effective amount of a composition comprising a mixture of Free-B-Ring flavonoids and flavans synthesized and/or isolated from a single plant or multiple plants, preferably in the Scutellaria, Oroxylum, Acacia or Uncaria genus of plants and pharmaceutically and/or cosmetically acceptable carriers. Finally the present invention provides a method for the prevention and treatment of diseases and conditions of the mouth, teeth or gums, including but not limited to periodontal diseases, such as gingivitis, periodontitis, pulpitis, periodontal conditions caused by the physical implantation of oral dentures, trauma, injuries, bruxism, neoplastic and other degenerative processes; material alba, pellicles, dental plagues, calculus, and stains. Use of the composition described herein also affords the benefit of maintaining optimum saliva production and pH, minimizing bacterial growth, reducing the formation of pellicles and plague, inhibiting tooth decalcification and tooth caries (decay), promoting remineralization, which yields healthy gums, whitening teeth, maintaining healthy oral hygiene and reducing oral malodour (halitosis).

The invention belongs to the scientific and technical field of oral medicine and oral health, and particularly relates to an oral health-care agent capable of clearing away heat and toxic materials, and a preparation method thereof. The oral health-care agent contains a food-grade heat-clearing and detoxicating prescription, an anti-ulcer agent, a caries-prevention agent, a cell adhesion moisturizer, a natural antibacterial and anti-inflammatory agent and an oral health-care agent, preferably, the preparation further contains a preservative, more preferably, the preparation further contains apreparation-acceptable safety carrier or excipients; and all the ingredients are scientifically prepared and optimized to obtain a group of safety and multi-effect compositions which not only can clear away heat and toxic materials and is antibacterial and anti-inflammatory, but also can prevent tooth and periodontium and other oral diseases, and then a convenient and practical oral health-care agent is prepared by adopting a mild technological method. The oral health-care agent capable of clearing away heat and toxic materials not only has medicine efficacy, but also has the safety of health-care food, and is convenient to use, good in efficacy and fast in effect.

The invention provides an oral antibacterial composition containing nisin and polylysine. According to the composition, the growth of oral pathogenic bacteria such as porphyromonas gingivalis, actinobacillus actinomycetemcomitans, streptococcus mutans, lactic acid bacillus, staphylococcus aureus and candida albicans can be effectively inhibited, and tooth decay, gingivitis, periodontitis, ozostomia and the like can be prevented; the composition can be prepared into toothpaste, mouth wash, refreshing and tasting chips and chewing gum which are used for preventing and treating oral diseases. Meanwhile, the invention provides a preparation method of the compositions such as the toothpaste, the mouth wash, the refreshing and tasting chips and the chewing gum. The oral antibacterial composition prepared through the method can prevent and treat various oral diseases and has no toxic and side effect and allergy or stimulation phenomenon on a human body.

The invention provides a gargle tablet which takes the shape of a solid plate and pertains to oral cavity caring products which disperses when in mouth. The gargle tablet comprises membrane-forming agent, fresher, emulsifier, foaming cleanser and abradant, with function of killing bacterium, cleaning oral cavity, removing smell and preventing decayed tooth and being convenient for carrying and easy for use. The invention also provides a preparation method of the gargle tablet.

An oral spray for preventing and treating the decayed tooth is prepared from vitelline antibody IgY, alcohol, wetting agent, surfactant, essence, antiseptic, pigment and deionized water through extracting IgY by water diluting method, PEG deposition method, membrane filtering method, or ammonium sulfate depositing method, and preparing oral spray.

The invention provides compositions comprising one or more isolated LDH-deficient mutans streptococcus strains and one or more isolated S. oralis strains and/or one or more isolated S. uberis strains. Compositions of the invention are useful to maintain oral health, by for example treating and/or preventing one or more symptoms of dental caries, periodontitis and/or other oral cavity diseases or wounds.

The invention discloses a method for preparing a dental prosthetic material. The method comprises the following steps: 1) an enamel is soaked with a phosphoric acid solution or a blend solution of hydrogen peroxide and phosphoric acid for treatment; and 2) the enamel in the step 1) is laid in an HEDTA-Ca-P solution, and a fluorine ion solution is added into the HEDTA-Ca-P solution so that the enamel covered with the prosthetic material is obtained after the reaction. The method for preparing the dental prosthetic material is characterized in that the conditions are mild, the process is simple, the raw materials are cheap, the method has the clinical application value, the prior dental prosthetic material prepared is hopefully replaced by the dental prosthetic material prepared to repair dental caries or enamel damage caused by other dental diseases, and the dental prosthetic material can be also as taken as a pit and fissure sealant material used for preventing dental caries.

The invention discloses a whitening toothpaste, which is prepared from the following raw materials: 0.1%-3.75% of an active additive, 70.9%-78.12% of a humectant, 17%-20% of an abrasive, 1.8%-2.5% of a surfactant, 0.65%-1% of a thickener, 0.18%-0.35% of a sweetener, 0.1%-0.5% of a preservative, 0.1%-0.5% of pigment and 1.05%-1.2% of an oral freshener. Compared with the prior art, the whitening toothpaste disclosed by the invention can be used for effectively enhancing the anti-allergic function of toothpaste, relieving swelling and pain, preventing decayed teeth, cleaning the oral cavity, reducing the harm to a human body caused by single use for strontium salt and potassium salt, and improving the taste of toothpaste; pearl layer powder is added, so that the toothpaste has an effect of whitening teeth; and moreover, via keratin and capsid proteins, smoke stains, tea stains, coffee stains and medicine deposits on the surfaces of teeth can be effectively eliminated, so that the toothpaste has both a strong cleaning capacity and an effect of protecting the enamel.

The invention discloses a vibriosp S6-2(Vibriosp S6-2) CGMCCN0.4011. The growth temperaute of the strain ranges from 4 to 37 DEG C, 25 DEG C is the most preferable; the growth pH ranges from 6 to 11, 7.0 is the most preferable; and the concentration of NaCl for growth is 0.5% to 10%, 4% is the most preferable. The invention further discloses a method for producing ocean low-temperature dextranase by vibriosp and a low-temperature dextranase product produced according to the method. The low-temperature dextranase plays an important role in the aspects of prevention and treatment of dental caries, sugar industry, production of pharmaceutical dextran and the like.

The invention provides a mouthwash. The mouthwash contains gynura divaricata juice, mint oil, clove oil, stevioside, ethanol and water. The mouthwash has good effects of diminishing inflammation and relieving pain, and can be used for preventing or treating oral ulcer, decayed teeth and halitosis.

The invention relates to a preparation method of lycium barbarum oligosaccharide. The preparation method comprises the following steps: selecting materials; drying; crushing; degreasing; extracting; decolorizing; separating by a membrane; drying. According to the preparation method, the ethanol reflux extract process is carried out to prepare lycium barbarum oligosaccharide, and the obtained oligosaccharide is decolorized by macroreticular resin, thus the pigment can be effectively removed, and the purity of oligosaccharide can be improved. The prepared oligosaccharide has the physicochemical characteristics of low heat, stability, safety and non-toxicity and the like, also has the physiological functions of enhancing intestinal probiotics and preventing decayed tooth and the like, and can be widely applied to the field of health foods and medicines.

The invention relates to a method for producing high-geometric precision elements made from a neutral material. Using different types of prosthetic restoration, said elements are intended to fill the damage caused in teeth by dental caries or tissue alteration having other causes. The inventive elements are also intended to be used to produce high-precision dental crowns or other related dental devices. The method is characterised in that: a model (10), which is designed to fill the missing dental tissue that has been destroyed, is made either in vivo, updating and defining a new volume (2) that is bordered by healthy tissue and having a tapered wall, or in vitro, taking an impression in the mouth of a dental preparation using an impression compound, said impression then being cast in plaster, and updating and defining a new volume (2) using said positive plaster model; the measurements of said model (10) are then taken in 3D using a three-dimensional measuring apparatus (4, 15, 17) with light wavefront analysis and volume analysis which is carried out using shots, a projector (15) being positioned at an angle to a camera (17) and said projector (15) and camera (17) being mechanically and geometrically linked to a revolving platform (18) that is used to support the model by means of a frame (19) in order to obtain good triangulation; the data are processed electronically (12) to remodel the morsels of volume; the files are subsequently modified electronically to determine exactly the desired profile; and the final element to be implanted is machined with a digitally-controlled machine (6, 23, 24, 22).

The invention discloses an oral care composition containing plant factors and application thereof, the oral care composition, by weight, comprises 0.2-2 parts of grapefruit extract, 0.1-1 part of magnolia officinalis extract, 0.1-1 parts of Aloe vera extract, 0.05-0.5 part of green tea extract, 0.05-0.5 part of paeonol and 0.05-1 part of Ilicis routundae cortex extract. The oral care compositions can not only inhibit or kill oral bacteria so as to effectively prevent the occurrence of dental caries and periodontitis, and has the effects of reducing dental plaque, inhibiting gingivitis, refreshing breath, diminishing inflammation, relieving pains and the like, the oral care composition is natural and safe, is used for the preparation of oral care products and helps to improve the oral health status.

The invention relates to the technical field of oral care, in particular to lactobacillus salivarius JYLS-372 for improving oral health, a product and a preparation method thereof, the active ingredient of the product is lactobacillus salivarius JYLS-372, and the preparation method comprises the following steps: inoculating the lactobacillus salivarius JYLS-372 onto an MRS liquid culture medium and culturing to obtain MRS bacterial liquid; carrying out centrifugation and vacuum freeze drying on the MRS bacterial liquid to obtain bacterial powder; and mixing and compounding the bacterial powderand isomaltooligosaccharide to obtain the product. The lactobacillus salivarius JYLS-372 disclosed by the invention can be used for synthesizing various vitamins, such as vitaminB1, vitaminB2, vitaminB12 pantothenic acid and folic acid, required by a human body, and can be used for improving the symptoms of gingival bleeding, tooth decay, halitosis, thrush, ulcer sores and the like; the number ofdecayed tooth pathogenic bacteria mutant streptococcus in the oral cavity is obviously reduced, and the formation of dental plaque and the occurrence rate of periodontal diseases are reduced.

The invention discloses traditional Chinese medicinal tooth whitening powder for eliminating dental calculus and black and yellow dental plaque and preventing dental caries, which consists of the following components: radix angelicae, raw plaster, plaster of paris, calcite, borax, mint, pachyma cocos, dandelion and raw hemp. By using the tooth whitening powder, teeth and dental grooves can be maintained to be clean; a decayed tooth is prevented; the tooth whitening powder has an elimination action on the yellow and black plaque, the calculus, the tea spots and the smoking fumigation spots of the teeth and the dental plaque of the teeth; the teeth are whitened once with an effect; the tooth whitening powder is nontoxic and harmless to the body of a user, comprises a plant abrasive, has a good abrasion effect, does not damage the teeth, a dental pad and an oral cavity, cleans and diminishes inflammation; after the tooth whitening powder is used, the teeth are pure white and bright; the use is convenient; the tooth whitening powder is used for a long time to whiten the teeth and prevent the peculiar smell of the oral cavity; the cleaning for a false tooth is simple, convenient and trouble-saving; the tooth whitening powder is applicable to the dead corner of a metal shackle, not only can effectively whiten the false tooth, but also can protect peripheral dermal teeth, and cannot damage the material of the false tooth simultaneously.

The invention relates to novel application of an artemisinin ingredient or a composition thereof in oral nursing, namely novel application in the field of mammal oral nursing. The artemisinin ingredient or the composition has a series of advantages of capability of correcting keratinization abnormality, anti-inflammation effect, analgesic effect, hemostasis effect, callus effect, antibacterial effect and antifungal effect, thereby being capable of eliminating or relieving adverse conditions of mammal oral cavities to improve health and beauty of the oral cavities. The advantages are proved by obviously preventing or relieving mammal dental plaque, gingivitis, periodontitis, oral keratoma, tooth sensitivity, oral ulcer, dental decay and oral pathogen proliferation. The advantages are realized by applying the artemisinin ingredient or the composition thereof or oral nursing compositions like health products, daily chemical products, healthcare products or drugs containing the artemisinin ingredient or the composition thereof. Application of the artemisinin ingredient or the composition thereof is expanded to the field of oral nursing, so that the artemisinin ingredient or the composition thereof is enabled to exert higher efficacy for health cause of the public.

The invention discloses an oral panoramic film decayed tooth depth recognition method based on deep learning. The method comprises the following 5 steps: preprocessing data; segmenting the image; constructing a model; performing feature extraction; and performing classification and identification. According to the method, the convolutional neural network is adopted to identify the decayed teeth, automatic identification of the decayed teeth in the oral cavity panoramic film is realized, and result export of automatic decayed tooth depth identification can be realized. Visual fatigue easily caused by long-term viewing of image data by medical staff is solved, diagnosis and treatment capacity and working efficiency are improved in an assisted mode, medical resource requirements are reduced,and medical efficiency is improved.