|| List of recent Dentin-related patents
|Luminous flux control member and illumination device|
An illumination device (1) has a light-emitting element (6b), and a luminous flux control member (6c) that includes a first lens (10) and a second lens (20). The first lens (10) and the second lens (20) are assembled such that a first surface (10c) and a second rear surface (20a) are in contact, or such that a minute gap exists between the first surface (10c) and the second rear surface (20a).
|Translucent veneering for a dental prosthesis formed by a press to metal process|
A dental prosthesis, typically formed in a press to metal process, includes application of a porcelain composition sufficient to form a veneer on a dental prosthesis supporting metal structure, the composition having an integrated tooth-like translucency providing an aesthetic appearance. The composition is formed of a dentin frit and an enamel frit, typically sintered into a desired ingot shape including an amount of composition sufficient to veneer the prosthesis.
|Apparatus and method for imparting selected topographies to aluminum sheet metal|
A method for surface treating work rolls to produce isotropic textured aluminum sheet features indenting the surface of the working rolls that produce the sheet with spherical media such as steel ball bearings having the requisite properties to avoid fracture and resulting in a smooth surface lacking facets. The spherical media can be introduced into a nip between two rolls and indent by compression, but ultrasonic peening or knurling.
|Dental treatment method|
Dentinal tubules sealing method using dentinal tubules sealant that is to be applied to a dentin surface to fill solid particles into dentinal tubules, wherein the dentinal tubules sealant comprises a water-based dispersing agent in which solid particles are dispersed and which has a solid/liquid ratio of from 0.3 to 2.6, and the method comprises applying the dentinal tubules sealant to a dentin surface to fill solid particles into dentinal tubules, and then removing a solid component adhering to the dentin surface by scrubbing using water. Thus, pains, hyperesthesia, and so on are allowed to be suppressed because dentinal tubules will be filled and sealed with solid particles and a curable composition is allowed to exhibit improved adhesive properties to a dentin surface because solid components adhering to the dentin surface can be removed by scrubbing using water..
|Non-aqueous oral care composition containing dental occlusion actives|
A oral care composition includes: (a) a hydrophilic film-forming polymer; and (b) a hydrophobic carrier, wherein the hydrophilic film-forming polymer is a film-forming polymer effective to occlude dentinal tubules and the oral care composition contains 0-10 wt. % water.
The present invention relates to a photosensitive composition comprising synthetic nanocrystalline hydroxyapatite or a synthetic precursor thereof doped with a rare earth ion, the use of the composition in restorative or cosmetic dentistry, a process for preparing the composition and a method of generating an image of an exposed dentinal surface of a tooth.. .
|Dentifrice compositions containing calcium silicate|
An oral care composition includes an effective amount of calcium silicate particles. The calcium silicate particles have an average diameter of less than about 5 microns, such that they can occlude dentinal tubules of the teeth.
|Method for inhibiting dentinal hypersensitivity|
A method for inhibiting dentinal hypersensitivity by applying a dentinal hypersensitivity inhibitor on a dentin surface. The dentinal hypersensitivity inhibitor contains at least one tetracalcium phosphate particle, an alkali metal salt of phosphoric acid, and at least one acidic calcium phosphate particle.
The present invention relates to an apatite composition comprising 0.001-99.999 wt. % of an apatite and 0.001-99.999 wt.
|Dental cleanser composition for improving adhesion to teeth|
The present invention relates to a dental cleanser composition for improving adhesion to teeth, and more particularly to, a dental cleanser composition which functions to remove not only a smear layer from the dentin surface of an exposed tooth root, but also oral bacteria, and thus is effective in improving adhesion to teeth in periodontal surgery. The present invention provides a dental cleanser composition containing sodium ethylene diaminotetraacetate and octyl phenol ethoxylate which is a surfactant.
|Integrated porcelain system for a dental prosthesis|
An integrated dental porcelain system for making dental prostheses and restorations is provided. The system includes three universal major components: a) opaque porcelain composition; b) pressable dentin ingot; and c) veneering porcelain composition that can be used interchangeably for making restorations.
|Oral care compositions|
The invention provides an oral care composition obtainable by: (i) preparing an oil-in-water emulsion by dispersing an oil phase into an aqueous continuous phase, the aqueous continuous phase comprising an oil-in-water emulsifier which is selected from one or more hydrophobins, so that emulsified particles of oil phase are formed which are emulsified with the one or more hydrophobins; and (ii) combining the emulsion so obtained with an oral care base formulation which is suitable for treating the surfaces of the oral cavity. Compositions of the invention demonstrate enhanced deposition of oil phase components onto oral cavity surfaces such as tooth enamel and tooth dentine, and in particular onto damaged surfaces such as scratched and demineralised enamel..
|Squeezable beverage bottle and filter system|
Embodiments of the present disclosure could generally provide a relatively easily squeezable beverage bottle that allows control of the flow rate of the liquid being dispensed to the user. The bottle could provide sufficient radial rigidity—or resistance to squeezing—to return to its original shape (or “bounce back”) at a suitable rate without experiencing permanent deformation or denting and to withstand the rigors of filling, shipping, transporting, dispensing, etc.
|Abrasive system for oral care compositions|
Oral compositions comprising a first and a second abrasive are provided. The first abrasive preferably has an einlehner hardness of greater than about 5 mg loss per 100,000 revolutions, and the second abrasive preferably has an einlehner hardness of less than about 5 mg loss per 100,000 revolutions.
|Dentinal tubule sealant and method for producing the same|
A dentinal tubule sealant comprises poorly-soluble calcium phosphate particles (a), a phosphorus-free calcium compound (b), and water (c), wherein the particles (a) are at least one member selected from the group consisting of dicalcium phosphate anhydrous [cahpo4] particles, α-tricalcium phosphate [α-ca3(po4)2] particles, β-tricalcium phosphate [β-ca3(po4)2] particles, amorphous calcium phosphate [ca3(po4)2.nh2o] particles, calcium pyrophosphate [ca2p2o7] particles, calcium pyrophosphate dihydrate [ca2p2o7.2h2o] particles, octacalcium phosphate pentahydrate [ca8h2(po4)6.5h2o] particles, and dicalcium phosphate dihydrate [cahpo4.2h2o] particles, and the dentinal tubule sealant contains 30 to 76% by weight of the particles (a), 0.001 to 4% by weight of the compound (b), and 23 to 69% by weight of the water (c). Thus, there is provided a dentinal tubule sealant capable of sealing dentinal tubules of an exposed dentin and also remineralizing the surrounding dentin after the sealing..
|Oral care compositions for benefiting teeth|
Oral care compositions with composite particle actives are described. The composite particle actives have a core and a coating whereby the coating interacts with phosphate ions to produce calcium and phosphate reaction products that are suitable to adhere to tooth enamel and/or dentin in order to improve the characteristics of teeth..
|Composite particle active and method for making the same|
Composite particle actives suitable for use in oral care compositions are described. The composite particle actives have a core and a coating whereby the coating interacts with phosphate ions to produce calcium and phosphate reaction products that are suitable to adhere to tooth enamel and/or dentin in order to improve characteristics of teeth..
|Periodontal treatment system and method|
Methods and apparatuses for treating a root canal in a tooth or hard and/or soft tissue within a tooth and surrounding tissues by pulsing a laser light into a reservoir, preferably after introducing liquid fluid into the reservoir, so as to disintegrate, separate, or otherwise neutralize pulp, plaque, calculus, and/or bacteria within and adjacent the fluid reservoir without elevating the temperature of any of the dentin, tooth, bones, gums, other soft tissues, other hard tissues, and any other adjacent tissue more than about 5° c.. .
|Even impact reducing implement for dental applications|
Fluid distributions implement to evenly wear down dental decay, diseased tissue, or undesired dentin in oral applications with live patients. The dentist has adjustable control over both the intensity and distribution field of a low-pressure sterile fluid, which may contain a pre-determined amount of reductive elements held in suspension.
|Composition for preventing or treating dentin-associated symptoms or diseases, and method using the same|
Provided is a formulation for oral teeth, which includes a plurality of calcium ion carriers and a plurality of calcium-containing particulates. The particulates are carried by the calcium ion carriers, such that the formulation can prevent or rapidly treat dentin-associated symptoms or diseases, while providing a prolonged prophylactic or therapeutic effect..
|Therapeutic oral composition|
Disclosed are therapeutic oral compositions useful in the treatment of a variety of oral disorders, in which the composition can provide blockage of dentinal tubes, while at the same time provide antibacterial and anti-caries efficacy. The compositions include arginine in free or salt form, a mucoadhesive polymer, and at least one component selected from pyrophosphates, zinc salts, potassium salts, strontium salts, and mixtures thereof..
|Dentinal drug delivery composition and screening method|
The present invention is a dentinal drug delivery composition composed of cationic and/or neutral porous particles containing an effective amount of a therapeutic agent, a method for using the dentinal drug delivery to provide a dental treatment, and a method for identifying anti-inflammatory agents capable of diffusing through dentin.. .
|Cup-shaped member including inner peripheral corrugated portion and manufacturing method and manufacturing apparatus for the same|
A cup-shaped member in which the outer peripheral recesses are formed on the base end portion side of the outer peripheral surface of the cylinder portion, on which the bottom portion is disposed, by denting the outer peripheral surface radially inward of the cylinder portion at positions that correspond to the inner peripheral protrusions. The smooth outer peripheral portion is formed on the opening end side of the outer peripheral surface of the cylinder portion that is opposite to the side on which the bottom portion is disposed.
|Novel multifunctional molecules for dental bonding applications having improved adhesion|
The present invention describes dental adhesive compositions used for bonding dental biomaterials to hard tissue comprising a polymerizable blend of one or more newly synthesized low shrinkage, stable, multifunctional compounds, where the compounds are acidic-methacrylate derivatives, having excellent properties of bonding the hard tooth substance (enamel or dentin) to dental restorative materials, and present high quality marginal sealing between the tooth and the material thus bond and improved storage stability. .
|Contact element including helical arrangement defined in internal surface|
An electrically-conducting contact element includes a section of the contact element defining an aperture. The section is configured to receive a wire cable within the aperture for attachment thereto.
|Stainless steel bur|
A stainless steel bur is provided which can cut minute depressions and even healthy dentin when necessary, allowing a technician to detect when cutting the healthy dentin. A handle connected to a hand piece on the base side, a working section to which a cutting blade for cutting teeth is attached to the tip, and the working section and the handle are connected to a tapered intermediate section.
|Oral care composition|
Disclosed are oral care compositions, for example dentifrice compositions, comprising an oral care composition comprising an orally acceptable vehicle, metal oxide particles having an average particle size of no greater than a dentin tubule and at least one amino acid capable of chelating the metal oxide. The composition may comprise a polymeric adherent material for adhering the metal oxide particles in the dentin tubule.
|Oral care composition|
Disclosed are oral care compositions, for example dentifrice compositions, comprising an orally acceptable vehicle, metal oxide particles having an average particle size of no greater than a dentin tubule and a polymeric adherent material for adhering the metal oxide particles in the dentin tubule. The metal oxide particles have a median particle size of 5 microns or less, and may comprise zinc oxide..
|One-part dental adhesive composition|
The present invention provides a one-part dental adhesive composition that exhibits excellent adhesive property and bond durability to a tooth structure (particularly dentin) and has high stability to ambient light, in which respective components have been mixed uniformly. The present invention is a one-part dental adhesive composition including a polymerizable monomer (a) having an acidic group, a polymerizable monomer (b) having a fluorocarbon group represented by the general formula (1), water (c), and a polymerization initiator (d).
|Affixing an artificial element to a surface of dentine, enamel, bone, or a corresponding substitute material|
Wherein the step of activating the attachment composition comprises activating the attachment composition by means of mechanical vibration.. .