Abstract: A method of applying a two-part dental sealant is described comprising providing a syringe device (1) comprising a cartridge (10) including first and second chamber. The first chamber contains a first part of a dental sealant comprising a (meth)acrylate resin and an oxidizing curing agent. The second chamber contains a second part of a dental sealant comprising a (meth)acrylate resin and a reducing curing agent that reacts with the oxidizing curing agent of the first chamber. The first and/or second part of the dental sealant further comprise a single component or multiple components that neutralize acid and promote remineralization. The syringe device comprises a dispensing nozzle (17) comprising a static mixer and an outlet at one end of the cartridge and a plunger (20) at the opposing end of the cartridge. Also described is a kit for storing and applying the dental sealant is described.

Abstract: A syringe assembly being assembled from a syringe for dispensing a dental or medical substance, and a protective cover. The protective cover has a geometrically determined, non-foldable tubular protective shaft. The syringe has a cartridge having an outlet for the substance. Further, the cartridge and the protective cover are assembled with the cartridge being received within the protective shaft. The syringe further comprises a dispensing tip that is connected to the outlet for dispensing the substance from the dispensing tip. A first seal is provided between the dispensing tip and the outlet, and a second seal is provided between the dispensing tip and the protective shaft.

Abstract: A polymerizable compound is represented by the formula (I). Each R1 independently represents a monovalent group having from 3 to 12 carbon atoms that comprises at least one of an epoxy group, an acryl group, or a methacryl group. Each R2 independently represents H, F, Cl, Br, C1-C12 alkyl, C2-C3 carbonylalkyl, or C2-C5 carboalkoxy. Each R3 independently represents H, F, Cl, Br, C1-C12 alkyl, C2-C3 carbonylalkyl, or C2-C5 carboalkoxy. Each n is independently 0, 1, 2, 3, or 4. Curable compositions including the polymerizable compound are also disclosed.

Abstract: A spiro-compound represented by the formula Each Z independently represents CH2 or a direct bond, wherein at least one Z represents a direct bond. Each R1 independently represents H, C1-C6 alkyl, hydroxyl, or a halogen. Each R2 independently represents H or a monovalent organic group having from 1 to 36 carbon atoms. Each R3 independently represents H, C1-C6 alkyl, or halogen. Curable compositions including some of the same are also disclosed.

Abstract: A curable dental composition includes a compound having structural formula (A) where X is an amine-, oxygen-, or sulfur-containing linkage; Y is an amine-, oxygen-, or sulfur-containing linkage; n is 1-15; m is 1-5; p is 1-5, with the proviso that when p is greater than 1, m is 1; each R1 is, independently, an alkyl or aryl group having 2 to 20 carbon atoms that is linear, branched, cyclic, or some combination thereof, and optionally includes one or more heteroatoms or unsaturated bonds; and each R2 is, independently, a hydrogen atom or CH3 The composition also includes filler. The filler is present in an amount of at least 25 wt.-%, based on the total weight of the curable dental composition.

Abstract: A polymerizable compound is represented by the formula (I). Each R1 independently represents a monovalent group having from 3 to 12 carbon atoms that comprises at least one of an epoxy group, an acryl group, or a methacryl group. Each R2 independently represents H, F, Cl, Br, C1-C12 alkyl, C2-C3 carbonylalkyl, or C2-C5 carboalkoxy. Each R3 independently represents C H, F, Cl, Br, C1-C12 alkyl, C2-C3 carbonylalkyl, or C2-C5 carboalkoxy. Each n is independently 0, 1, 2, 3, or 4. Curable compositions including the polymerizable compound are also disclosed.

Abstract: The invention relates to a dental retraction composition comprising guanidinyl-containing polymer, carrageenan, filler, paste-forming component, organic acid having a molecular weight of 80 to 250 g/mol, a pks value of 2 to 5, 1 to 3 carboxylic acid moieties, and being soluble in polyethylene glycol with a molecular weight of 400 g/mol, the dental retraction composition not containing water in an amount of more than 5 wt. %, and not containing aluminium chloride in an amount of more than 0.5 wt. %, wt. % with respect to the weight of the dental retraction composition. The dental retraction composition is for use in a process for use in a process of retracting dental tissue in combination with coagulating blood. The invention also relates to a delivery device comprising the dental retraction composition and a kit of parts comprising the delivery device, an applier for the delivery device, optionally a dental impression material, and optionally a retraction cap.

Abstract: Disclosed herein are non-aqueous compositions including: a flowable Part A including at least one resin and Reactant A; and a flowable Part B including at least one resin and Reactant B; wherein at least one of flowable Part A and flowable Part B further includes a free radically polymerizable resin; wherein at least one of flowable Part A and flowable Part B further includes a free radical initiator system; wherein flowable Part A and flowable Part B are capable of being mixed to provide a flowable mixed composition; wherein when flowable Part A and flowable Part B are mixed, Reactant A and Reactant B are capable of interacting to cause a non-free radical reaction within a first staging time to provide a first staged stable consistency for the mixed composition; wherein Reactant A comprises an acid and Reactant B comprises a base, and upon mixing flowable Part A and flowable Part B, the Reactant A acid is capable of reacting with the Reactant B base in an ionic acid-base reaction; and wherein the mixed compo

Abstract: A curable dental composition includes a compound having structural formula (A) where X is an amine-, oxygen-, or sulfur-containing linkage; Y is an amine-, oxygen-, or sulfur-containing linkage; n is 1-15; m is 1-5; p is 1-5, with the proviso that when p is greater than 1, m is 1; each R1 is, independently, an alkyl or aryl group having 2 to 20 carbon atoms that is linear, branched, cyclic, or some combination thereof, and optionally includes one or more heteroatoms or unsaturated bonds; and each R2 is, independently, a hydrogen atom or CH3 The composition also includes filler. The filler is present in an amount of at least 25 wt.-%, based on the total weight of the curable dental composition.

Abstract: Dental compositions and methods of formulating a dental composition are described. In one embodiment, the dental composition comprises a polymerizable resin comprising one or more ethylenically unsaturated monomers or oligomers and nanoparticles. The nanoparticles have a refractive index of at least 1.600 and an average discrete or aggregate particle size of no greater than 100 nm. The dental composition further comprises inorganic metal oxide filler having a discrete or aggregate average particle size of at least 200 nm. The nanoparticles are present at a concentration to provide a refractive index differential between the cured polymerizable resin and inorganic metal oxide filler such that the contrast ratio of the dental composition is at least 40.

Abstract: An absorbent article includes at least two absorbent pads spaced apart from each other. The absorbent article further includes an interconnect member. Each absorbent pad includes an absorbent material configured to absorb a liquid. Each absorbent pad further includes an outer surface. The interconnect member joins the outer surfaces of the at least two absorbent pads. The interconnect member is stretchable.

Abstract: Disclosed herein are non-aqueous compositions including: a flowable Part A including at least one resin and Reactant A; and a flowable Part B including at least one resin and Reactant B; wherein at least one of flowable Part A and flowable Part B further includes a free radically polymerizable resin; wherein at least one of flowable Part A and flowable Part B further includes a free radical initiator system; wherein flowable Part A and flowable Part B are capable of being mixed to provide a flowable mixed composition; wherein when flowable Part A and flowable Part B are mixed, Reactant A and Reactant B are capable of interacting to cause a non-free radical reaction within a first staging time to provide a first staged stable consistency for the mixed composition; wherein Reactant A comprises an acid and Reactant B comprises a base, and upon mixing flowable Part A and flowable Part B, the Reactant A acid is capable of reacting with the Reactant B base in an ionic acid-base reaction; and wherein the mixed compo

Abstract: Multilayer optical films including a substrate and at least a first layer overlaying a surface of the substrate, in which the at least first layer includes a (co)polymer obtained by polymerizing a polymerizable composition including a fluorinated coupling agent and at least one free-radically polymerizable monomer, oligomer, or mixture thereof. Processes for making multilayer optical films using the polymerizable compositions also are taught. Articles including the multilayer optical film also are disclosed, in which the article preferably is selected from a photovoltaic device, a display device, a solid-state lighting device, a sensor, a medical or biological diagnostic device, an electrochromic device, light control device, or a combination thereof.

Abstract: Fluorinated coupling agents and polymerizable compositions including such fluorinated coupling agents and at least one free-radically polymerizable monomer, oligomer, or mixture thereof. Multilayer films including a substrate and at least a first layer overlaying a surface of the substrate also are described, in which the at least first layer includes a (co)polymer obtained by polymerizing the foregoing polymerizable compositions. Processes for making a multilayer film using the polymerizable composition also are taught. Articles including the multilayer film also are disclosed, in which the article preferably is selected from a photovoltaic device, a display device, a solid-state lighting device, a sensor, a medical or biological diagnostic device, an electrochromic device, light control device, or a combination thereof.

Abstract: Fluorinated photoinitiators and polymerizable compositions including such fluorinated photoinitiators and at least one free-radically polymerizable monomer, oligomer, or mixture thereof. Multilayer films including a substrate and at least a first layer overlaying a surface of the substrate also are described, in which the at least first layer includes a (co)polymer obtained by polymerizing the foregoing polymerizable compositions. Processes for making a multilayer film using the polymerizable composition also are taught. Articles including the multilayer film also are disclosed, in which the article preferably is selected from a photovoltaic device, a display evice, a solid-state lighting device, a sensor, a medical or biological diagnostic device, an electrochromic device, light control device, or a combination thereof.

Abstract: A polymerizable composition is described comprising a fluorinated monomer, oligomer, or mixture thereof; and a coupling agent comprising a (meth)acryl terminal group, a terminal silane comprising hydrolysable groups and a perfluorooxyalkylene or perfluorooxyalkyl moiety. Also described are compounds and methods.

Abstract: A method of applying a two-part dental sealant is described comprising providing a syringe device (1) comprising a cartridge (10) including first and second chamber. The first chamber contains a first part of a dental sealant comprising a (meth)acrylate resin and an oxidizing curing agent. The second chamber contains a second part of a dental sealant comprising a (meth)acrylate resin and a reducing curing agent that reacts with the oxidizing curing agent of the first chamber. The first and/or second part of the dental sealant further comprise a single component or multiple components that neutralize acid and promote remineralization. The syringe device comprises a dispensing nozzle (17) comprising a static mixer and an outlet at one end of the cartridge and a plunger (20) at the opposing end of the cartridge. Also described is a kit for storing and applying the dental sealant is described.

Abstract: Compound are described comprising a perfluorinated group bonded to at least one terminal photoinitiator group with an organic linking group comprising at least one amide moiety. The compound typically comprises the (e.g. Michael addition) reaction product of i) a compound comprising an acryl group and a photoinitiator group; and ii) an amino functional perfluorinated compound. Also described is a composition comprising at least one free-radically polymerizable (e.g. fluorinated) monomer, oligomer, or combination thereof; and the described fluorinated photoinitiator compound and methods.

Abstract: Multilayer optical films including a substrate and at least a first layer overlaying a surface of the substrate, in which the at least first layer includes a (co)polymer obtained by polymerizing a polymerizable composition including a fluorinated photoinitiator and at least one free-radically polymerizable monomer, oligomer, or mixture thereof. Processes for making multilayer optical films using the polymerizable compositions also are taught. Articles including the multilayer optical film also are disclosed, in which the article preferably is selected from a photovoltaic device, a display device, a solid-state lighting device, a sensor, a medical or biological diagnostic device, or a combination thereof.

Abstract: A syringe assembly being assembled from a syringe for dispensing a dental or medical substance, and a protective cover. The protective cover has a geometrically determined, non-foldable tubular protective shaft. The syringe has a cartridge having an outlet for the substance. Further, the cartridge and the protective cover are assembled with the cartridge being received within the protective shaft. The syringe further comprises a dispensing tip that is connected to the outlet for dispensing the substance from the dispensing tip. A first seal is provided between the dispensing tip and the outlet, and a second seal is provided between the dispensing tip and the protective shaft.