Abstract: The invention features dental compositions comprising at least one hybrid monomer that comprises a cyclic allylic sulfide moiety attached to a (meth)acryloyl moiety. These two functional moieties are typically joined either directly to each via a chemical bond or through some chemical structure or spacer molecule. The composition may optionally contain additional polymerizable compounds, such as ethylenically unsaturated compounds, that are typically used in dental compositions.

Abstract: The present invention provides a dental polymerizable composition which has excellent handling property by the brush-dip technique and the bulk-mix technique, particularly excellent handling property by the brush-dip technique, contains few air bubbles, is excellent in color tone, polishability, mechanical properties and the discoloration resistance of a cured product at the time of curing and is used for many purposes such as the repair of a denture base or artificial tooth, a tooth crown prosthetic restoration and a temporary prosthetic restoration which is used until a bridge is completed when it is a two-composition type self-curing resin. The dental polymerizable composition comprises three different types of (meth)acrylate polymer particles, each having specific particle size characteristics and specific molecular weight characteristics.

Abstract: An object of the present invention is to provide a photopolymerizable dental composition which causes less change in a color tone before and after curing and exhibits excellent photopolymerizability to irradiation in a wide wavelength range, and has also excellent thin-layer surface curability, and to provide a photopolymerization initiator used therefor. Disclosed is a visible light-polymerizable dental composition which does not substantially contain an amine compound as a photosensitizer, comprising 0.01 to 10 parts by weight of a (bis)acylphosphine oxide compound, 0.01 to 10 parts by weight of an ?-diketone compound and 100 parts by weight of a polymerizable monomer.

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

Abstract: The present invention is directed to an improved denture adhesive composition. In particular, this invention is directed to a denture adhesive composition free of a hydrocarbon vehicle, such as petrolatum or mineral oil.

Abstract: The present invention relates to a denture adhesive article comprising: a) a safe and effective adhesive amount of a water soluble denture adhesive component; b) a safe and effective amount of a component selected from the group consisting of a water soluble plasticizer, a water soluble carrier, and mixtures thereof; wherein the article is bioerodible; and wherein the article has dry tack.

Abstract: To provide a dental alginate impression material composition capable of solving a problem that the permeation rate of water with respect to the whole powder of an alginate impression material is slow at the time of use so that a kneading time is long and a sufficient operational time cannot be secured, and a problem that a kneaded material drops into a throat due to aging of the material at the time of taking an impression, the dental alginate impression material composition comprises 0.001 to 1% by weight of one or more kinds selected from oils mainly consisting of a fatty acid and an ester of alcohol, waxes mainly consisting of a fatty acid and an ester of glycerin, and a fatty acid ester; 0.01 to 10% by weight of a surfactant; and 0.01 to 10% by weight of one or more kinds of specific polysaccharides.

Abstract: Cyclopropyl acrylate of general formula (1), constitutional and stereoisomers thereof and their mixtures in which A is selected from:

Abstract: Hardenable and hardened dental compositions, and articles including such hardenable and hardened compositions, are provided. In some embodiments, the hardenable dental compositions include an acid-generating component and an acid-reactive component including one or more acid-reactive groups. Upon irradiating, and optionally heating, the hardened compositions are useful, for example, for reducing the bond strength of orthodontic appliances adhered to tooth structures with the hardened compositions.

Abstract: Dental adhesive composition comprising (a) a polymerisable monomer or prepolymer, and (b) a solvent comprising t-butanol.

Abstract: To improve an adhesive force of an adhesive agent between an impression material and a tray, and to stabilize the adhesive force therebetween, provided is an adhesive agent for the adhesion between an alginate impression material and an impression tray for dental applications, which includes a polyamine compound having two or more amino groups in a molecule and a solvent.

Abstract: The invention provides epoxy and oxetane compositions including the novel acyloxy and N-acyl curing agents described herein. Use of invention curing agents result in cured adhesive compositions with remarkably increased adhesion and reduced hydrophilicity when compared to resins cured with other types of curing agents. Furthermore, the curatives of this invention do not interfere with free-radical cure and are thus suited for use in hybrid cure thermoset compositions.

Abstract: A system of manufacturing a custom set of pre-manufactured upper and lower dentures is provided. In one form, a set of master upper and lower dentures is created. The master upper and lower dentures are used to create reusable upper and lower dental matrices, respectively. These re-usable upper and lower dental matrices are repeatedly used to manufacture upper and lower pre-manufactured or standard sized dentures, respectively. Optionally, a dental patient can have these upper and lower pre-manufactured dentures custom fit or relined to fit the dental patient's mouth to form upper reline and/or lower reline pre-manufactured dentures. The dental patient can have custom fit dentures in two visits with the dentist, even two visits in the same day.

Abstract: A hydrophobic acidic group-containing polymeric monomer (a); a water-soluble polymeric monomer (b); water (c); a photopolymerization initiator (d); an aromatic tertiary amine (e) having an electron-withdrawing group; a cross-linkable polymeric monomer (f); and a basic compound (g) for producing a water-soluble salt through a reaction with a part of the hydrophobic acidic group-containing polymeric monomer (a) are included as essential compounding ingredients. A one-part dental adhesive composition that exhibits high adhesive strength and high storage stability in adhesion between a teeth, and more particularly enamel or dentine, and a dental repairing material, and more particularly a resin material, is provided.

Abstract: Composition with at least one polymerizable binder and at least one polymerization initiator, which contains at least one acylgermanium compound according to general Formula (I), in which R0 is a substituted or unsubstituted C1-18-alkyl radical or an acyl group; R1 and R2 are H, an acyl group or have one of the meanings given for R3; R3 is a branched or linear C1-18-alkyl radical which can be unsubstituted or substituted one or more times by —O—, —NH—, —NR—, —S— or interrupted by other groups, trimethylsilyl, hal-(CH3)2Si—[OSi(CH3)2]r?, (CH3)3Si—[OSi(CH3)2]r—, —COOH, —COO—R10, —CO—NR11R12, —CO-vinyl, —CO-phenyl, phenyl-C1-4-alkyl, phenyl, naphthyl or biphenyl, C5-12 cycloalkyl, a 5 or 6-membered O, S or N-containing heterocyclic ring, halogen, OH, an aromatic C6-30 radical which can be substituted or unsubstituted and/or interrupted by O, S or —NR—, or a branched, cyclic or linear C1-20 alkyl, -alkenyl, -alkoxy or -alkenoxy radical; m is 1, 2 or 3; n is 0 or 1 and p is 0 or 1; wherein in each case two of

Abstract: The present invention relates to denture adhesive compositions. The denture adhesive compositions include an adhesive component and a viscosity index improver. The present invention is also directed to methods relating to the denture adhesive compositions.

Abstract: A denture fixative composition containing lower alkyl vinyl ether-maleic anhydride copolymers, water-insoluble and water-swelling polymers, and at least one additional adhesive material which can be used as a denture fixative paste, liquid, powder, aerosol, dissolving tablet, liner or adhesive-like strip.

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: An object of the present invention is to provide a one-pack type dental adhesive composition which can exhibit excellent adhesion to any material, for example, dental ceramics, organic composites containing inorganic compounds, dental noble metals and dental non-noble metals, and also has excellent storage stability. Disclosed is a one-pack type dental adhesive composition comprising a silane coupling agent as a component (a), an acidic group-containing polymerizable monomer as a component (b), a sulfur atom-containing polymerizable monomer as a component (d), and other components.

Abstract: Polymerizable compositions and methods are provided that include an ethylenically unsaturated compound and an arylsulfinate salt. The polymerizable compositions are useful as hardenable dental compositions.

Abstract: Dental restorative composites having self-healing capabilities to repair discontinuities in the composite are provided. Dental restorative composites according to the present invention include a microsphere that encapsulates a monomer. When a fracture occurs, the microsphere is ruptured and the monomer fills the fracture. Depending on the monomer present in the microsphere, it is polymerized by a polymerization initiator or by an olefin metathesis catalyst present in the dental restorative composite. Self-healing dental restorative composites provide increased resistance to fracturing, and thus remain substantially intact for a longer period of time, preserving the remedial integrity of the dental repair or reconstruction.

Abstract: The present invention provides a denture adhesive liner in the form of an extruded film or sheet, comprising a denture adhesive effective amount of alginate; thermoplastic polymer; and plasticizer, wherein said composition is extrudable into a film that is capable of adhering to a wet mucous surface. The present invention also provides a method for preparing a denture adhesive liner comprising the steps of: preparing a composition of a denture adhesive effective amount of alginate; thermoplastic polymer; and plasticizer; and forming a denture adhesive liner from the composition.

Abstract: The present invention provides a foamed and/or aerated substrate for transmucosal and/or transdermal applications. The foamed and/or aerated substrate may be in the form of a film, sheet, strip or wafer. The foamed and/or aerated substrate is suitable for use in applications such as, for example, adhesive denture liners, tooth whitening, and smoking control/cessation. The foamed and/or aerated substrate is polymeric in nature and comprises one or more polymers and one or more foaming agents. Additionally, the foamed and/or aerated substrate may include, but not limited to, one or more plasticizers, hydrophobic barrier agents, tooth whitening agents, antioxidants, preservatives, super-disintegrants or absorbents, flavorants, deodorants, breath freshening agents, colorants, surfactants, film modifiers, cross-linking agents, antimicrobial agents, control release agents, other therapeutic agents, or any combinations thereof.

Abstract: The invention relates to a prepreg comprising a base part, said base part comprising fibers and a matrix, said matrix being at least partially uncured. The prepreg is characterized in that it further comprises a surface part consisting essentially of bioactive filler material, said bioactive filler material being in particle form and at least partially and at most partially embedded in said base part. The invention also relates to a composite obtainable by curing said prepreg. The invention further relates to a mineralizing sheet for treatment of hypersensitive teeth and to the use of said prepreg and composite.

Abstract: A flowable, light-curing underfilling material that is easily visible and distinguishable from the tooth substance. The underfilling material contains at least one polymerizable monomer, at least one polymerization initiator and also 0.3-10% white pigment.

Abstract: A cationically curable composition for dental use containing a cationic polymerization initiator (I) and cationically polymerizable monomers (II), the cationically polymerizable monomers (II) containing an oxetane compound and an epoxy compound or an alkenyl ether compound at a ratio of amounts that satisfy the conditions expressed by the following formula, (a×A):(b×B)=91:9 to 45:55 wherein A is a mol number of the oxetane compound, “a” is an average number of the oxetane functional group contained in one molecule of the oxetane compound, B is a mol number of the epoxy compound or the alkenyl ether compound, and “b” is an average number of the epoxy functional group contained in one molecule of the epoxy compound or an average number of the alkenyl ether functional group contained in one molecule of the alkenyl ether compound.

Abstract: A dental cement comprises a first paste including a (meth)acrylate monomer having an acid group, the (meth)acrylate monomer not having an acid group, having two or less of hydroxyl groups and/or amino groups and having a molecular weight of 160 or more, the filler having a specific average particle size and being inactive to the (meth)acrylate monomer having an acid group, and the amine compound as a accelerator for the undermentioned polymerizing catalyst; and the second paste including a (meth)acrylate monomer not having an acid group, having two or less of hydroxyl groups and/or amino groups and having a molecular weight of 160 or more, a filler having a specific particle size, and an organic aromatic compound having at least one —SO2— group and the peroxide as a polymerizing catalyst, thereby providing a dental cement large flexural strength, adhesiveness to dentin, small hygroscopic expansion, and low solubility.

Abstract: A denture liner which includes a hydrophobic polymer component, a plasticizer component and an adhesive component. A method for making this denture liner and a denture liner kit are also provided. The compositions have improved consistency and are useful in prosthodontics, including formulating denture liners for the compositions have a glass transition temperature lower than the lower of an ambient temperature at which the liner is applied and a temperature inside the oral cavity. Phthalate-free embodiments, as well as kits are also described.

Abstract: A two-part self-curing endodontic sealing system comprises a thiourea derivative, such as acetyl thiourea, and a hydroperoxide, such as cumene hydroperoxide. The thiourea derivative is used as a reducing agent and the hydroperoxide is used as an oxidizing agent.

Abstract: Mixtures of chain-extended N-alkylaziridino prepolymers are disclosed herein. The disclosed mixtures of chain-extended N-alkylaziridino prepolymers can be used in combination with additional materials to make curable formulations that can be used, for example, as dental materials such as impression compounds.

Abstract: A self-etching, priming dental adhesive composition comprises an olefinically unsaturated monomer having an —SO3 functionality; a copolymerizable multi-functional (meth)acrylate adhesive; and a curing system. The self-etching, priming dental adhesive may further comprise a copolymerizable adhesion promoter containing an acid functionality, the adhesion promoter being different from the olefinically unsaturated monomer having an —SO3 functionality and the copolymerizable multi-functional (meth)acrylate adhesive, and a solvent system in an amount effective to dissolve the adhesive and/or the adhesion promoter. The adhesive composition provides even further advantages over the art, as all etching, priming, and application of an adhesive can be performed in one step.

Abstract: An oral prosthesis fitment system includes a wax sheet having at least one face coated with a contact or pressure sensitive adhesive. A water activated adhesive is overlaid on the contact or pressure sensitive adhesive and the sheet is contoured by modeling over and around contact surfaces of a denture plate, with the adhesive coated surface facing outward. The denture is then placed in the oral cavity and the water activated adhesive composition is either premoistened or moistened by saliva. Compressive force is then applied to assure a proper fit.

Abstract: The present invention provides a hardenable (i.e., curable by polymerization, crosslinking, ionic, or other chemical reaction) composition that includes polymerizable urea or thiourea compounds that function as reductants (i.e., reducing agents) in redox polymerization reactions.

Abstract: This invention relates to a polymerizable dental barrier material and method of making same including at least one high molecular weight polymer with reactive end groups having a concentration ranging from about 50 to about 99 percent by weight and a polymerization system.

Abstract: Kit for the preparation of dental prostheses which contains (i) polymerizable matrix material, (ii) filler and (iii) at least one dye composition in physically separate form.

Abstract: The invention relates to polymerizable materials comprising two components, where component I comprises: (a) from 0.1 to 20% by weight of at least one vinyl ether, (b) from 10 to 89.9% by weight of at least one ethylenically unsaturated monomer which is not a vinyl ether, (c) from 0.001 to 5% by weight of at least one accelerator, (d) from 9.999 to 89.899% by weight of fillers, thixotropy assistants, retardants and other auxiliaries, and component II comprises: (e) from 0.1 to 20% by weight of at least one barbituric acid derivative and/or at least one malonylsulfamide which is able to initiate the free-radical polymerization, and (f) from 0 to 89.9% by weight of fillers, thixotropy assistants, retardants and other auxiliaries, (g) from 10 to 80% by weight of conventional plasticizers, and to the use thereof.

Abstract: The present invention refers to dental self-curing resin compositions having enhanced mechanical and physical properties. In particular, the present invention relates to dental self-curing resin compositions consisting of (i) a Paste A composition containing the multifunctional prepolymer mixture of 2,2-bis-[4-(2-hydroxy-3-methacryloxypropoxy)phenyl]propane (“Bis-GMA”) and multifunctional prepolymer formed by substituting hydrogen atoms in hydroxyl group with methacrylate groups in the Bis-GMA molecules, and further containing a diluent, an adhesive monomer, a polymerization initiator, a polymerization inhibitor, a light stabilizer, an antioxidant, an inorganic pigment and an inorganic filler; and ii) a Paste B composition containing the same prepolymer mixture in the Paste A composition, and further containing a diluent, an adhesive monomer, a reductant, a polymerization inhibitor, a light stabilizer, an antioxidant, an inorganic pigment and an inorganic filler.

Abstract: The present invention provides a dental paste, methods of making and using the dental paste, and compositions prepared therefrom. The dental paste includes (a) a filler including porous, non-pyrogenic silica having a silane treated surface and being substantially free of heavy metals and (b) a filler including non-agregated primary silica particles, with the fillers being dispersed in a hardenable resin. Fillers including porous, non-pyrogenic silica, and methods of making and using the fillers, are also provided.

Abstract: An adhesive composition for a denture base relining material which comprises an organic solvent containing no halogen atoms such as ethyl acetate, ethyl formate or acetone, a polymer such as a copolymer of methyl methacrylate and ethyl methacrylate, and a radical polymerizable monomer such as tetramethylolmethane tetramethacrylate; and a curable composition which comprises a radical polymerizable monomer, an organic peroxide such as benzoyl peroxide, a tertiary amine compound such as diethyl-p-toluidine or dipropyl-p-toluidine, and a hydroxycarboxylic acid such as malic acid or citric acid. The adhesive composition for a denture base relining material does not contain a halogen-atom-containing organic solvent whose harmful effect has been pointed out. Further, the composition has satisfactory adhesive properties and good operability and causes no degradation in the appearance of a denture base even if it sticks to an area on the surface of the denture base other than a contact area.

Abstract: The present invention relates to a denture adhesive composition comprising mixed salts of an alkyl vinyl ether-maleic acid or anhydride copolymer and/or terpolymer with isobutylene wherein the mixed salt contains a cationic salt function comprising at least about 1% strontium cations, from about 1% to about 40% of zinc cations, from 0% to about 2.5% of a cation selected from the group consisting of iron, boron, aluminum, vanadium, chromium, manganese, nickel, copper, yttrium, titanium, and mixtures thereof; from about 36% to about 60% free acid component; and from 0% to about 65% of a cation selected from the group consisting of magnesium, calcium, and mixtures thereof. In addition, the present invention relates to denture adhesive compositions comprising the above composition and at least one non-adhesive self-supporting layer.

Abstract: One embodiment of the invention provides a dental cement composition which includes (a) an acid group-having polymerizable monomer, (b) a polyalkenoic acid, (c) an ion-leachable glass filler, (d) a polymerizable monomer not having an acid group, (e) water, (f) a peroxide, (g) a salt of an aromatic sulfinic acid, and (h) an aromatic secondary amine and/or an aromatic tertiary amine.

Abstract: A hardenable medical composition (preferably, dental composition) that includes an ionic redox polymerization system and at least one secondary ionic salt that includes a cation selected from the group consisting of a Group I ion, a Group II ion, an ammonium ion of the formula NR4+ wherein each R is H or a (C1–C4)alkyl group, and mixtures thereof.

Abstract: Dental material containing an amide of the general formula BXn in which B stands for a hydrocarbon radical with 1 to 5 carbon atoms, which can contain one or more of the groups O, S, NH, CO—NH, O—CO—NH and/or NH—CO—NH, and which is substituted n times with the group X, X stands for the group which is bound via the nitrogen atom or via C-2 to the radical B, the bond site not connected to B carrying a radical R2, R1 being hydrogen, an alkyl group with 1 to 20 carbon atoms or a phenyl radical, two or more radicals X being able to share a radical R1 and R1 also being able to be a constituent of the radical B, R2 being hydrogen, an alkyl group with 1 to 20 carbon atoms or a phenyl radical, and n being a number from 2 to 5.

Abstract: An adhesive composition comprising (a) an acidic group-containing polymerizable monomer; (b) a polymerizable monomer represented by the general formula (I): wherein R1 is hydrogen atom or methyl group; R2 is a halogen atom, hydroxyl group, mercapto group or —O—R3—OH group, wherein R3 is an alkylene group having 6 to 25 carbon atoms; and Y is oxygen atom or sulfur atom; and (c) a hydrophilic polymerizable monomer, wherein the weight ratio of the polymerizable monomer (b)/acidic group-containing polymerizable monomer (a) is 0.001 to 0.5. The adhesive composition of the present invention can be suitably used for bonding a hard tissue with a resin material in the medical field and the dental field.

Abstract: A dental product formed by a process and a method of using a denture including providing a denture having an outer face, applying a readily flowable material to the face. The flowable material comprises volatile material and polymeric material. Volatilizing at least a portion of the volatile material from the flowable material to form a readily peelable water swellable solid film. The film is substantially insoluble in water. The film comprising at least 10% by weight of the polymeric material. The denture having an outer face. The film adheres to the face and film effectively not being covalently bonded to the face. The product and method are preferably carried out using an adhesive dispenser including a container, a pump and flowable adhesive. The flowable adhesive is enclosed by the container. The pump is supported by the container and the pump is connected through a conduit to the flowable adhesive.

Abstract: A one-pack type dental adhesive composition that does not require a pre-treatment such as an etching treatment and a priming treatment and can surely adhere a dental restoration material to a tooth structure and keep an adhesive effect over a long period of time, comprised of a polymerizable composition containing (a) 1˜5% by weight of a polymerizable monomer containing a phosphoric acid group, (b) 10˜40% by weight of a polymerizable monomer containing a plurality of carboxyl groups in one molecule, or being readily reactive with water to generate a plurality of carboxyl groups in one molecule, (c) 20˜40% by weight of an acid group-free polymerizable monomer or a mixture of two or more acid group-free polymerizable monomers, both having a solubility of water at 25° C. of 25% by weight or less, and (d) 15˜50% by weight of water, with (e) 0.1˜5.

Abstract: In order to provide a relining for prosthesis and a process for the manufacturing thereof with improving the performance of the relining and the application-technical characteristics of the individual components as compared with the state of the art, it is proposed to prepare the relining from a one-component relining adhesive, a two-component relining silicone and optionally a two-component sealing lacquer.

Abstract: A visible light photopolymerizable composition comprising a) an aryliodonium salt and b) a titanocene derivate. These compositions can be used together with an epoxide resin as a dental composition.

Abstract: The invention relates to polymerizable dental compositions which contain (a) 10 to 98.999 wt.-% of at least one bi- or higher-functional ethylenically unsaturated monomer, (b) 0 to 88.999 wt.-% of at least one monofunctional ethylenically unsaturated monomer, (c) 0 to 5 wt.-% of an accelerator, (d) 0.001 to 5 wt.-% of a redox initiator system which can trigger the radical polymerisation and (e) 0 to 88.999 wt.-% fillers, thixotropic auxiliaries, retarders and other auxiliaries (f) 1 to 30 wt.-% of a customary plasticizer and are characterized in that the redox initiator system comprises (i) a barbituric acid derivative and/or a malonyl sulfamide and (ii) an organic peroxide, selected from the group of the mono- or multifunctional carboxylic acid peroxyesters, and the constituents (a) to (f) are present in two pastes spatially separated from each other.

Abstract: A dental prosthesis adhesive sheet trimming method, for allowing a user to custom trim an untrimmed dental adhesive sheet to create a trimmed dental adhesive sheet which is custom sized to fit the user's dental prosthesis. The dental prosthesis has a ridge recess for accommodating the dental adhesive sheet. The overall outline of the dental prosthesis is traced, which is used to create a final outline which is uniformly eroded along its edges than the overall outline. To allow the user to easily trim the untrimmed dental adhesive sheets to fit the ridge recess, a die is created from the final outline which may be employed by the user to create trimmed dental adhesive sheets wherever needed for use to affix the dental prosthesis within the mouth.