8 results about "Cariogenic bacteria" patented technology

The present invention aims to provide a novel and highly safe composition or agent for inhibiting the growth of normal oral bacteria, specifically a composition or agent for inhibiting the growth of cariogenic bacteria, periodontal disease bacteria, or Candida bacteria, as well as a composition or agent for preventing caries, preventing periodontal disease, and inhibiting biofilm formation, and a composition or agent for preventing aspiration pneumonia. [Solution] The inventors have discovered that heated ginger extract can effectively inhibit the growth of cariogenic bacteria, periodontal disease bacteria, or Candida bacteria, and therefore the above problem can be solved by preparing a composition or agent containing heated ginger extract as an active ingredient and using this as a composition or agent for oral use.

A fully dissolvable anticaries remineralization toothpaste for children and a preparation method thereof. The toothpaste has a three-layer composite structure: a dissolvable backing protective layer, an anticaries remineralization active layer, and a pH responsive layer. All components are food grade or pharmaceutical excipient grade, and completely dissolve within 10-30 minutes in the oral environment, without the need to remove after use. The active layer contains a "fluoride-nano hydroxyapatite-xylitol" ternary synergistic system, which can inhibit demineralization, promote remineralization, and inhibit cariogenic bacteria. The active layer also contains pH-responsive food colorants, which visually indicate the end of use through color changes. Formulas are designed for children aged 3-6 and 6-12, respectively, and the toothpaste can be cut along the preset line to fit different arch sizes. The invention solves the problems of poor use compliance, high risk of swallowing, and short residence time of active ingredients in existing children's anticaries products, and achieves safe, effective, and fun oral care for children.

The invention relates to the technical field of biological medicines, particularly discloses application of Aspertaichunol and derivatives thereof as antibacterial agents, and further discloses an oral care composition which comprises the antibacterial agent. According to the invention, the application of the Aspertaichunol and the derivative thereof as the antibacterial agent in oral care is explored for the first time, the application range of the Aspertaichunol and the derivative thereof is greatly widened, and the antibacterial agent disclosed by the invention shows an accurate antibiotic-level antibacterial effect on cariogenic bacteria streptococcus mutans, can effectively block adhesion and colonization of the streptococcus mutans on the surface of teeth, and can be used for preparing oral care products. After being applied to oral care products, the compound can effectively prevent and treat dental caries, and can provide safer and more effective anti-caries choices for the market.

The purpose of the present invention is to establish a simple, efficient, and rapid genetic testing method for bacteria in clinical settings, and to provide: a gene amplification method for specifically detecting and evaluating the amount of bacteria associated with periodontal disease and caries; a primer set for a gene amplification reaction; a kit for detecting genes of bacteria that cause periodontal disease or caries, the kit including the primer set; and a kit for evaluating the severity of periodontal disease or caries. The present invention is a method for detecting oral bacteria that are present in plaque or saliva above or below the gingival margin, or bacteria that cause periodontal disease or caries, by detecting genes of the oral bacteria or causative bacteria using a gene amplification method, the detection method being characterized in that (1) annealing and extension reactions in the gene amplification method are implemented at substantially the same temperature, and / or (2) the gene length of a target gene as an amplification product is short.

This invention discloses a visual anti-caries probiotic lozenge and its preparation method, belonging to the field of pediatric oral care technology. The invention uses *Lactobacillus rhamnosus* SD11 as the core functional strain, employing spray drying technology for single-layer microcapsule encapsulation, combined with a pH-responsive natural pigment color development mechanism, and compounded with xylitol, calcium carbonate, and vitamin D3 to produce an oral lozenge. This product inhibits cariogenic bacteria by regulating the oral microecology, achieving caries prevention, and visually indicates oral health status through color changes. Simultaneously, the strain can reach the intestines to exert systemic regulatory effects. This invention utilizes spray drying microencapsulation and dry granulation processes, resulting in high production efficiency, stable quality, and advantages such as high safety, good compliance, clear efficacy, and suitability for industrial production. It is suitable for long-term daily use by children aged 2-12 years.

The invention provides a fermented clove preparation as well as a preparation method, a composition and application thereof, and relates to the technical field of oral health. According to the invention, the bioavailability of the clove is improved in a manner of fermenting the clove by lactobacillus plantarum, so that the specific biological activity of the clove is fully released, and the oral care effect of the clove is further improved. Besides, the fermented clove preparation is used for intervening decayed teeth, the problem that the efficacy is reduced due to the fact that viable bacteria are sensitive to environmental conditions is solved, and the validity period of the product is prolonged. Hyaluronic acid is also added to form the composition with the fermented clove preparation, so that the protection effect on the enamel is further enhanced. The hyaluronic acid has an anti-adhesion effect, can prevent the generation of a dental plaque biofilm, reduces the permeability of bacteria to tissues, and reduces the transmission rate of cariogenic bacteria. In addition, the hyaluronic acid can also promote implantation and survival of probiotics, further enhance the anti-decayed tooth effect, and realize long-acting anti-decayed tooth.

This invention provides a dendritic mesoporous silica and its preparation method that can inhibit key pathogenic processes such as growth, acid production, sugar production, and biofilm formation of cariogenic bacteria and achieve inhibitory effects on cariogenic bacteria in complex microbial communities. This invention does not aim to simply kill all bacteria, but rather utilizes the acidic microenvironment of caries to trigger drug release. By inhibiting key pathogenic processes such as growth, acid production, sugar production, and biofilm formation of cariogenic bacteria, it reduces the overall cariogenic toxicity of the biofilm. This "functional inhibition" strategy is theoretically more conducive to maintaining the stability of the microbial community structure while reducing the pathogenicity of the biofilm.

The invention discloses a curcumin-based carbon dot nano-enzyme cascade catalytic system and application thereof in targeted anti-cariogenic bacteria, and belongs to the technical field of biological medicine, the catalytic system is prepared by mixing curcumin-based carbon dot nano-enzyme Cur(at) Fe, Mn / CDs and glucose oxidase GOx, and performing ultrasonic treatment and incubation; the curcumin-based carbon dot nano-enzyme cascade catalytic system shows near-infrared enhanced peroxidase activity and excellent photo-thermal performance, hydrogen peroxide generated by GOx oxidized glucose is used as a substrate of peroxidase mimetic enzyme Cur(at) Fe, Mn / CDs, high-toxicity hydroxyl free radicals are generated in an acid environment, and the activity of the peroxidase mimetic enzyme Cur(at) Fe, Mn / CDs is enhanced. According to the present invention, the positive charges on the surface of the nano-enzyme and the GOx are utilized to accurately position the position of the biological membrane, such that the targeted bacteriostasis can be performed on the cariogenic bacteria of S.mutans and S.sanguinis while the normal oral cavity S.oranis is almost not affected, and the new path is provided for the caries treatment.