Abstract: The invention relates to a method for configurating a split denture. A digital 3D model of the denture comprising a plurality of teeth is provided. The digital 3D model of the denture is split into a digital 3D model of a base part and a digital 3D model of a teeth part. The base part comprises a first artificial gingiva portion. Further, the base part is configured to support the teeth part. The teeth part comprises the plurality of teeth of the denture and a second gingiva portion. The teeth part is configured to be mounted on the base part. The digital 3D model of the split denture is provided for generating at least one of the base part and the teeth part.

Abstract: An intravaginal formulation comprising a dry powder composition and propellant(s) and the apparatus capable of delivery intravaginally a dry powder composition.

Abstract: Dental devices and systems and methods for making the same are provided. In at least one embodiment, a computer readable medium containing instructions for fabricating an arch-shaped device for coupling to a patient's mouth is provided. The instructions can include using a denture form device to obtain an impression of a patient's mouth. The instructions can also include selecting an arch device and adapting that arch device to conform to a model of a patient's mouth, such that the adapted arch device may be used to ultimately form a denture.

Abstract: A cable includes a transmissive core; a jacket surrounding the transmissive core, which has at least an outermost polymeric layer; and an external semi-conductive layer around and in direct contact with the outermost polymeric layer of the jacket. The external semi-conductive layer is made of a composition comprising a base polymer material and an electrically conductive filler. The electrically conductive filler includes carbon nanotubes.

Abstract: A stabilized active oxygen-generating antiseptic composition is disclosed including at least one of an antiseptic mixture or an antiseptic polymer. The antiseptic mixture includes a persulfate distributed in a matrix of a sulfate wherein the antiseptic composition is characterized by a ratio of the sulfate to the persulfate of at least 8:2. The antiseptic polymer is formed by the reaction of a sulfate, a persulfate, and amino acid in a reaction solution having a ratio of the sulfate to the persulfate of at least 6:4 and a ratio of the amino acid to the sulfate and the persulfate combined of 1:2 to 2:1. An antiseptic irrigation solution is disclosed including the antiseptic composition dispersed in a solvent. An antiseptic article is disclosed including an article and at least one of the antiseptic composition or an antiseptic coating formed from the antiseptic composition disposed on a surface of the article.

Abstract: The present invention is directed to novel systems and methods for treating dermal inflammatory disorders, such as psoriasis.

Abstract: The present invention provides a laminate having excellent bacteria adhesion suppression performance. The present invention also provides a kit and a method for producing a laminate. A laminate according to the present invention includes a base material, an undercoat layer formed of an undercoat layer forming composition containing a polymer containing a repeating unit containing a polymerizable group and a repeating unit containing a polar group, and a cured film formed of a curable composition containing at least one compound selected from the group consisting of a compound represented by Formula (I), a compound represented by Formula (II), a compound represented by Formula (IV), and a compound represented by Formula (V) in this order.

Abstract: An earpiece including an intra-auricular support, a projection element coupled thereto, and a flexible body disposed thereon and inside an external ear canal of an ear, and a moldable earpiece material moldable about the intra-auricular support to conform to the auricle of an ear and curable to provide a fixed configuration of the earpiece.

Abstract: Provided are a chemical polymerization initiator including (a) a thiourea compound, (b) a peroxyester, (c) a divalent copper compound, and (d) an aryl borate compound, an adhesive composition, an adhesive composition kit, a dental material, and a dental material kit each using the chemical polymerization initiator, and a method of storing the adhesive composition.

Abstract: The present invention provides a powder-liquid type denture base liner comprising: a powder material including (A) uncrosslinked resin particles, (B) an organic peroxide, (C) a pyrimidine trione derivative, and (D) an organic metal compound; and a liquid material including (E) a radical polymerizable monomer and (F) an aromatic amine compound, wherein the powder-liquid denture base liner is characterized in that the (C) pyrimidine trione derivative is 0.0002-1.0 mass parts per 100 mass parts of (E) radical polymerizable monomer.

Abstract: A mouthfeel evaluation method for an orally disintegrating test object is provided, the method including, by a measurement apparatus, giving a predetermined distortion with a predetermine cycle as applying a predetermined pressure to the orally disintegrating test object, adding a predetermined amount of a test liquid to the test object, and measuring a loss tangent of the test object with time.

Abstract: An oral care composition comprising a local anaesthetic agent, a film-forming polymer and a non-aqueous vehicle wherein the film-forming polymer comprises an alkyl vinyl ether-maleic acid or anhydride copolymer or salt thereof is provided.

Abstract: Monomer mixture for the preparation of dental materials, which contains at least one low-volatile monomethacrylate, at least one highly viscous polyfunctional methacrylate and at least one low-viscosity polyfunctional methacrylate.

Abstract: The present invention relates to a dental curing composition to restore a lost portion of a tooth generated due to dental caries, tooth fracturing, etc. The dental curing composition has packability suitable for restoring a posterior tooth; has a paste character of avoiding stickiness to a filling instrument; has excellent shaping properties; has very little paste character over time; and has a low polymerization shrinkage property. The dental curing composition comprises: (a) a matrix resin whose viscosity at 25° C. is 10,000 to 17,000 mPa·s, (b) an organic-inorganic composite filler, (c) an inorganic filler, and (d) a polymeric initiator.

Abstract: Copper salts of ion exchange materials provide copper ions at levels suitable for use as an anti-infective agent. The copper salts of ion exchange materials may be formed using ether and ester derivatives of cellulose, such as carboxymethyl cellulose (CMC), ethylcellulose (EC), methylcellulose (MC), hydroxypropyl cellulose (HPC), hydroxypropyl methyl cellulose (HPMC), hydroxyethyl methyl cellulose (HEMC), cellulose acetate, and cellulose triacetate. Wound dressings having copper salts of ion exchange materials incorporated therein are also provided, and may be used to reduce the incidence of infection in wounds. The wound dressings may also be used to prevent infections in long-term wounds, such as those formed at wound drain, catheter, and ostomy entry sites. Copper salts of ion exchange materials may be used to kill microorganisms, and may optionally be used with additional anti-infective agents.

Abstract: A method for making a hydrophilic carbon nanotube film is provided. A reactor, an oxidative acid solution disposed in the reactor, and at least one primary carbon nanotube film are provided. The primary carbon nanotube film is set in the reactor disposed apart from the oxidative acid solution. The oxidative acid solution is then volatilized to form oxidative acid gas and the reactor is filled with the oxidative acid gas.

Abstract: A method for making an electrostrictive composite includes the following steps. Carbon nanotubes and a first polymer precursor are mixed. The first carbon nanotubes and the polymer precursor are polymerized to obtain a first material layer. A second material layer is applied to the first material layer, wherein the thermal expansion coefficient of the first material layer is different from the thermal expansion coefficient of the second material layer.

Abstract: A denture adhesive composition having a denture adhesive component and a cohesion builder component. The cohesion builder component may be of salts of mono-phosphates, salts of di-phosphates, or salts of tri-phosphates.

Abstract: A primer used for pre-treating the surfaces of a prosthetic, which exhibits a large adhering force at the time of adhering a prosthetic of metal oxide ceramics to an object to be joined by using an adhesive such as a dental cement, the large adhering force being maintained for extended periods of time even in a severe environment such as in an oral cavity. A primer composition for metal oxide ceramics includes (A) a polymerizable monomer component containing 5% by mass or more, preferably, 5% by mass to 80% by mass of an acidic group-containing polymerizable monomer as represented by a 11-methacryloyloxy-1,1-undecanedicarboxylic acid and a rest of a polymerizable monomer without acidic group, such as triethylene glycol dimethacrylate; (B) polyvalent metal ions resulting from a titanium tetrabutoxide or the like; and (C) an organic solvent such as acetone or ethyl alcohol, wherein water is not substantially contained.

Abstract: Denture adhesive compositions having good hold and improved taste containing a salt of a copolymer of alkyl vinyl ether-maleic acid or anhydride. Compositions containing from about 25% to about 45%, by weight of the composition, of a salt of a copolymer of alkyl vinyl ether-maleic acid or anhydride containing a cationic salt function containing: i) from about 60% to about 72% cations selected from calcium, strontium, magnesium, or combinations thereof; ii) from 0% to about 10% sodium cations; iii) less than 1% zinc cations; and iv) from about 25% to about 40% of a free acid component; and further containing from about 15% to about 25%, by weight of the composition of a carboxymethyl cellulose having a molecular weight of from about 200,000 to about 1,000,000 daltons; and a carrier. Methods of improving the adhesion of dentures to the oral cavity by applying such compositions to dentures, the oral cavity, or both, and thereafter securing the denture to the ridge or palate of the oral cavity.

Abstract: Methods of forming antimicrobial polymeric materials comprising metallic nanoparticles are disclosed. Such methods generally comprise: combining a metal-containing material with a resin in situ; and curing the resin in the presence of a metal-containing material. Antimicrobial polymeric materials formed by said methods are also disclosed.

Abstract: A hardenable two part acrylic composition, a polymer component of the two part hardenable composition and a method of producing a polymer component of the two part composition are disclosed. The hardenable two part acrylic composition includes an acrylic polymer composition first part and an acrylic monomer composition second part. The acrylic polymer composition first part includes a first type of acrylic polymer particles wherein each first type of acrylic polymer particle is formed of a network of coalesced emulsion polymerized acrylic microparticles or is macroporous. The acrylic polymer composition may include emulsion polymerised acrylic polymer particles of particle size between 10 and 2000 nm and includes the use of acrylic polymer particles formed of a network of coalesced emulsion polymerized acrylic microparticles as a dough time reduction agent in a hardenable two part acrylic composition.

Abstract: Denture adhesive compositions having good hold and improved taste containing a salt of a copolymer of alkyl vinyl ether-maleic acid or anhydride. Compositions containing from about 25% to about 45%, by weight of the composition, of a salt of a copolymer of alkyl vinyl ether-maleic acid or anhydride containing a cationic salt function containing: i) from about 60% to about 72% cations selected from calcium, strontium, magnesium, or combinations thereof; ii) from 0% to about 10% sodium cations; iii) less than 1% zinc cations; and iv) from about 25% to about 40% of a free acid component; and further containing from about 15% to about 25%, by weight of the composition of a carboxymethyl cellulose having a molecular weight of from about 200,000 to about 1,000,000 daltons; and a carrier. Methods of improving the adhesion of dentures to the oral cavity by applying such compositions to dentures, the oral cavity, or both, and thereafter securing the denture to the ridge or palate of the oral cavity.

Abstract: Dental curing systems, apparatuses, and methods may include a light source, a perforated plate, and a dental composite. The perforated plate may be positioned between the light source and the dental composite. The perforated plate may include a plurality of perforations that convert a first curing light beam from the light source into multiple curing light beams before reaching the dental composite. The multiple curing light beams come in contact with the dental composite to begin the curing process at certain locations on the dental composite. The perforated plate may then be removed, and a second curing light beam from the light source may be applied to the dental composite to complete the curing process.

Abstract: The present invention provides a dental adhesive material kit having excellent bond durability. The present invention is represented by a dental adhesive material kit containing a dental aqueous adhesive composition (A) and a multi-part type dental nonaqueous curable composition (B). The dental aqueous adhesive composition (A) contains a polymerizable monomer (a) having an acidic group, an aliphatic polymerizable monomer (b) having no acidic group, water (c), and an amine-based reducing agent (d1) containing no sulfur atom. The multi-part type dental nonaqueous curable composition (B) contains an aliphatic polymerizable monomer (b) having no acidic group, an aromatic polymerizable monomer (e) having no acidic group, a powdery water-soluble reducing compound (f) containing a sulfur atom, an organic peroxide (g), and an amine-based reducing agent (d2) containing no sulfur atom.

Abstract: A denture adhesive composition having a denture adhesive component and a cohesion builder component. The cohesion builder component may be of salts of mono-phosphates, salts of di-phosphates, or salts of tri-phosphates.

Abstract: A self-customizable dental appliance adapted to lie within the mouth of a person including occlusal pads with a connecting arch or a u-shaped style base with upstanding labial and lingual walls. The appliance is formed of a semi-crystalline polyolefin polymer or crystallizable blend. In one embodiment, the appliance is formed of elastomeric propylene-ethylene polypropylene, optionally including high density polypropylene. An optional occlusal lifting pad can be used in the self-customizable dental appliance.

Abstract: Provided is a dental filling/restoration kit, in which a pretreatment material and a filling/restoring material can be cured by only one irradiation with light, which enables further improved adhesion between a tooth and the filling/restoring material, which prevents the filling/restoring material from being easily colored, to thereby exhibit its excellent sensuousness. Specifically provided is a dental filling/restoration kit which includes: a filling/restoring material (A) containing 100 parts by mass of a radical-polymerizable monomer (a) containing 3 to 30 parts by mass of a water-soluble radical-polymerizable monomer having no acidic group (a1), a photopolymerization initiator (b), and a filler (c), the filler (c) being contained in an amount of 80 to 2,000 parts by mass relative to 100 parts by mass of the radical-polymerizable monomer (a); and a pretreatment material (B) containing a radical-polymerizable monomer having an acidic group (d) and water (e).

Abstract: A Gantrez hydrogel comprising sodium, calcium, zinc, strontium, and ferric cations, and a polyvinylpyrrolidone based tack agent is disclosed. A method for preparation of the Gantrez hydrogel is also disclosed.

Abstract: An adhesive composition comprising (A) a polymerizable monomer component containing not less than 5% by mass of an acidic group-containing polymerizable monomer, (B) a polyvalent metal ion-eluting filler, (C) a volatile organic solvent, and (D) water, wherein the polyvalent metal ion-eluting filler (B) is blended in such an amount that the amount of the polyvalent metal ions eluted out from the filler becomes 1.0 to 7.0 meq per gram of the polymerizable monomer component (A), the volatile organic solvent (C) is blended in an amount in a range of 30 to 150 parts by mass per 100 parts by mass of the polymerizable monomer component (A) and so as to satisfy 20·X parts by mass or more (X is a number representing the amount of elution of the polyvalent metal ions), and the water (D) is blended in an amount of 3 to 30 parts by mass per 100 parts by mass of the polymerizable monomer component (A).

Abstract: The invention provides methods for inducing reversible chain cleavage of polymer chains in a crosslinked polymeric material. Reversible cleavage of the polymer backbone is capable of relieving stress in the polymeric material as the bonds reform in a less stressed state. The invention also provides methods for making polymeric materials capable of reversible chain cleavage, materials made by the methods of the invention, and linear monomers containing reversible chain cleavage groups which are useful in the materials and methods of the invention.

Abstract: A composite material precursor composition includes a matrix precursor, a first plurality of capsules including a liquid polymerizer, an activator, and an accelerant. The liquid polymerizer polymerizes when in contact with the activator, and the accelerant is an accelerant for the polymerization of the liquid polymerizer. The composite material precursor may be used to form a composite material that includes a solid polymer matrix, the first plurality of capsules in the solid polymer matrix, the activator in the solid polymer matrix, and the accelerant in the solid polymer matrix.

Abstract: The invention features a dental composition containing a polycyclic aromatic compound, such as 2-ethyl 9,10-dimethoxy anthracene (EDMOA), in an amount that provides the composition with fluorescence mimicking that of natural teeth.

Abstract: An indicator is useful for detecting pressure points on a denture. The indicator is made of a composition that easily adheres to oral mucosa, has a proper viscosity in an oral cavity environment, can be properly spread between an oral mucosa surface and a denture base, and easily specifies an affected part. The composition includes a fatty acid ester having a melting point of 30 to 50° C., a water-soluble high polymer, and a metal oxide. Preferably, the fatty acid is 40 to 95% by weight of the composition, the water-soluble high polymer is 1 to 59% by weight of the composition, and the metal oxide is 0.1 to 50% by weight of the composition.

Abstract: The present invention provides an oral composition comprising a polymer, preferably a copolymer of methyl vinyl ether and maleic anhydride, attached to a sweetening agent via a cleavable linker, comprising a covalent bond, preferably an ester bond or an amide bond wherein the polymer is capable of attaching to a surface in an oral cavity, and the cleavable linker is cleavable in the oral cavity to release the sweetening agent.

Abstract: The invention concerns a dental filling material with dual hardening mechanism, wherein i) a first hardening mechanism is based on a photocuring reaction, preferably a radical reaction, and ii) a second hardening mechanism is dependent on H2O as a reactant, especially as a ligand. Preferably, the second hardening mechanism is a gypsum-type reaction. Owing to the expansion of the composition an excellent marginal seal can be achieved, while the first hardening mechanism allows for a rapid cure on demand.

Abstract: An adhesive composition including an etchant for a hard tissue surface, at least one multifunctional crosslinkable (meth)acrylate monomer with a functionality greater than 4, and water. The adhesive composition is a water-in-oil emulsion.

Abstract: Methods and systems for temporarily coating intra-oral devices (e.g., orthodontic brackets and/or wires) so as to reduce discomfort to soft tissues within a patient's mouth. One embodiment of such a system includes at least one orthodontic bracket or orthodontic arch wire and a two-part polymerizable temporary coating composition for use in coating selected surfaces of the brackets and/or wires. One silicone polymerizable two-part composition includes a vinyl siloxane component, a cross-linking component, and a catalyst activator initially divided between the two parts so that at least one of the components is kept separate from at least one other component (i.e., all three components are not initially commingled). Upon mixing of the first and second parts, the composition begins to polymerize.

Abstract: A process for the preparation of plastic molded articles which can be used in the dental field, the process including the steps of: mixing A) at least one polymerizable component and B) at least one initiator in desensitized form to form a paste having a consistency does not demix during injection; injecting the paste into a cuvette; and polymerizing the mixture by applying heat.

Abstract: The invention provides a low polymerization shrinkage dental composition and a polymerizable dental material selected from the group consisting of wax-like dental material that undergoes ring open polymerization. The dental composition is useful as restorative material and for making artificial teeth, dentures, restoratives, crowns and bridges of high strength dental polymeric material.

Abstract: A dental filler and dental resin restorative composition containing the dental filler is provided. The dental filler is prepared by pre-treating an acid-reactive filler with a polymerizable monomer or oligomer pre-treatment chemical having at least one acid or acid-precursor functional group, at least one polymerizable unsaturated carbon-carbon bond, and a molecular weight of about 1,000 grams per mole or less.

Abstract: Denture adhesive compositions having good hold and improved taste containing a salt of a copolymer of alkyl vinyl ether-maleic acid or anhydride. Compositions containing from about 25% to about 45%, by weight of the composition, of a salt of a copolymer of alkyl vinyl ether-maleic acid or anhydride containing a cationic salt function containing: i) from about 60% to about 72% cations selected from calcium, strontium, magnesium, or combinations thereof; ii) from 0% to about 10% sodium cations; iii) less than 1% zinc cations; and iv) from about 25% to about 40% of a free acid component; and further containing from about 15% to about 25%, by weight of the composition of a carboxymethyl cellulose having a molecular weight of from about 200,000 to about 1,000,000 daltons; and a carrier. Methods of improving the adhesion of dentures to the oral cavity by applying such compositions to dentures, the oral cavity, or both, and thereafter securing the denture to the ridge or palate of the oral cavity.

Abstract: [Problems] A primer used for pre-treating the surfaces of a prosthetic, which exhibits a large adhering force at the time of adhering a prosthetic of metal oxide ceramics to an object to be joined by using an adhesive such as a dental cement, the large adhering force being maintained for extended periods of time even in a severe environment such as in an oral cavity. [Means for Solution] A primer composition for metal oxide ceramics, comprising (A) a polymerizable monomer component containing 5% by mass or more, preferably, 5% by mass to 80% by mass of an acidic group-containing polymerizable monomer as represented by a 11-methacryloyloxy-1,1-undecanedicarboxylic acid and a rest of a polymerizable monomer without acidic group, such as triethylene glycol dimethacrylate; (B) polyvalent metal ions resulting from a titanium tetrabutoxide or the like; and (C) an organic solvent such as acetone or ethyl alcohol, wherein water is not substantially contained.

Abstract: A self-customizable dental appliance adapted to lie within the mouth of a person with a connecting arch or a u-shaped style base with upstanding labial and lingual walls. The appliance is formed of a semi-crystalline polypropylene alpha-olefin copolymer containing stereoregular polymerized units of identical tacticity. In one embodiment, the appliance is formed of elastomeric propylene-ethylene copolymers.

Abstract: A denture adhesive article, comprising a denture adhesive component and a viscosity index improver, wherein the denture adhesive article is preformed.

Abstract: Filler based on glass particles which contain a homo- or copolymer of vinyl chloride on the surface, process for its preparation and its use as a dental material.

Abstract: An assembly for use in orthodontic treatment includes at least two articles, and each article includes an orthodontic appliance as well as an adhesive that extends across the base of each appliance. The adhesive of at least one article differs from the adhesive of at least one other article in terms of composition, properties or characteristics, such that the adhesive can be tailored to enhance the bond between the particular selected appliance and its intended tooth.

Abstract: A hydrogel denture adhesive comprising an AVE/MA Salt in an amount of about 20 to about 80 percent by weight of the hydrogel, a suitable humectant in an amount of about 1 to about 30 percent by weight of the hydrogel, and water in an amount of about 20 to about 80 percent by weight of the hydrogel.

Abstract: A hydrogel denture adhesive comprising an AVE/MA Salt in an amount of about 20 to about 80 percent by weight of the hydrogel, a suitable humectant in an amount of about 1 to about 30 percent by weight of the hydrogel, and water in an amount of about 20 to about 80 percent by weight of the hydrogel.

Abstract: A mucosal adjustment material comprising a combination of a powdery material (a) and a liquid material (b), characterized especially in that a noncrosslinked (meth)acrylic polymer powder having a Tg in the range of 0-60° C., e.g., polybutyl methacrylate, is used as the powdery material and a liquid polymer which has a mass-average molecular weight of 1,000-10,000 and in which the content of oligomers having a molecular weight of 500 or lower is 10 mass % or lower is used as the liquid material. Such powdery material and liquid material are kneaded together to prepare a paste, which is applied to a denture base and used as a temporary relining material. This mucosal adjustment material in a paste form is reduced in the amount of ingredients eluted from the material during use in the mouth. In an ordinary use period, the relining material retains its initial flexibility and does not deteriorate the denture base.