Abstract: A photopolymerizable dental composition for application to and for the isolation and protection of gums and/or teeth during dental treatment is described. The composition can include (a) one or more photopolymerizable monomers selected from the group consisting of acrylates and methacrylates, (b) one or more photoinitiators, preferably selected from the group consisting of alpha-diketones, benzoin alkyl ethers, thioxanthones, benzophenones, acyl phosphine oxides, acetophenones, ketals, titanocenes, borates and sensitizing dyes, and (c) one or more molecular weight regulators selected from the group consisting of compounds which can be reacted with a radical of a monomer of component (a) with abstraction of an H radical from the molecular weight regulator in the allyl position. Also disclosed are kits comprising such a composition, methods for producing a corresponding protective layer, methods for treating one or more teeth, and methods of using the compositions as a masking compound.

Abstract: A composite material and method of making and using the same is described. In particular a dental (and preferably photocurable) composite material, and the use of a composite material according to the invention as a dental material and a method for preparation of a composite material according to the invention. Also disclosed are novel radically polymerizable monomers comprising at least one polyalicyclic structure element and certain ethylenic structure elements, which are particularly suitable for use in a composite material according to the invention.

Abstract: A transparent lacquer composition that can be used as a protective and gloss lacquer for surface coating is described. The lacquer composition can be a dental material and a method for preparing a lacquer composition is also described. Also described are novel polymerizable monomers comprising at least one polyalicyclic structure element and certain ethylenic structure elements that are particularly suitable for use in a lacquer composition.

Abstract: Novel polymerizable compounds comprising a polyalicyclic structure element and certain functional groups, mixtures comprising one or a plurality of these compounds and corresponding curable blends and products as well as their respective use as dental material or for the preparation of a dental material are described. A method for preparing these compounds or mixtures and a method for preparing a product, preferably a product suitable for dentistry, are also described.

Abstract: A curable dental composition comprising a monomer with a polyalicyclic structure element that can be used for filling and/or sealing of a root canal is described. Also described is a composition useful as a dental material and a method for preparing such a composition. New polymerizable monomers comprising at least one polyalicyclic structure element and certain ethylenic structure elements, which are particularly suitable for use in a dental composition, and the use of the new monomers in a dental composition are also described.

Abstract: The application of certain (preferably photocurable) composite materials comprising a monomer with a polyalicyclic structure element as a dental sealing material is described herein. A description is also provided of novel polymerizable monomers comprising at least one polyalicyclic structure element and certain ethylenic structure elements, which are particularly suitable for use in a composite material to be applied and their application in a composite material.

Abstract: The invention relates to an interdental wedge for use with a matrix band when preparing a filling on a tooth to be restored and/or for use with a rubber dam, by inserting the interdental wedge into an area near the gingiva between the tooth to be restored or to be treated and an adjacent tooth, with an insertion area having a cross section delimited by a lower face, by an inner face and by an outer face, wherein, in the state inserted near the gingiva, the lower face is directed towards the gum, the inner face is directed towards the tooth to be restored or to be treated, and the outer face is directed towards the adjacent tooth, wherein the inner face and the lower face run together in an edge, which is designed such that, in the state inserted near the gingiva, it bears on the tooth to be restored or to be treated, in order to provide a sealing action against passage of material.

Abstract: A composition for obtaining dental impressions and methods of using and making the same are disclosed. The compositions can include curable base compositions and surfactant systems. The surfactant system can include (i) 0.5 to 3 wt-% of a first surfactant comprising end-capped polyoxyethylene alkyl ether, end-capped polyoxypropylene alkyl ether, end-capped polyoxyethylene-polyoxypropylene alkyl ether or mixtures thereof, (ii) 0.5 to 3 wt-% of a second surfactant, selected from the group of non-ionic fluorosurfactants, (iii) 0 to 3 wt-% of a third surfactant, selected from the group of silicone surfactants, wherein the total quantity of first, second and third surfactant is from 1.5 to 6 wt-%. The mass ratio of the first surfactant to the second surfactant can be 1.4 or less when the content of the third surfactant is less than 0.5 wt-% and the total quantity of first and second surfactant is 2 wt-% or less.

Abstract: A dual-curing, multi-component dental composition is described. The dental composition can include: (a) one or more photopolymerizable monomers selected from the group consisting of acrylates and methacrylates; (b) one or more photoinitiators, selected from the group consisting of alpha-diketones, benzoin alkyl ethers, thioxanthones, benzophenones, acylphosphinoxides, acetophenones, ketals, titanocenes, borates and sensitizing colorants; (c) one or more molecular weight regulators selected from the group consisting of compounds which can be converted with a radical of a monomer of component (a), wherein the conversion takes place by abstraction of an H-radical from the molecular weight regulator in the allyl position; (d) one or more polymerization inhibitors for increasing the storage stability of the composition; (e) one or more inorganic fillers; (f) one or more initiators for a chemical curing at ambient temperature, and if necessary one or more further additives.

Abstract: Composite material with a polymerisable organic binder, characterised in that it contains a filler with filler particles which have the shape of a torus.

Abstract: A mixing and application capsule for producing and discharging a dental preparation is disclosed. In order to prevent a liquid loss, a mixing and application capsule for producing a dental preparation is proposed according to the invention, which has: a capsule body (31) with a mixing chamber (32) for receiving a mixing component (41) and for mixing the dental preparation (43) from the mixing component (41) and a fluid (42) and with an outlet opening (33) for discharging the dental preparation (43), a first plunger body (11) which can be displaced in the capsule body (31), delimits the mixing chamber (32) in the capsule body (31) and has a channel (19) to guide the fluid (42) from a cavity (22) into the mixing chamber (32) and a projection (12), and a second plunger body (21) which can be displaced in the capsule body (31) relative to the first plunger body (11) and has the cavity (22) to receive the fluid (42), the cavity (22) being configured to receive the projection (12) of the first plunger body (11).

Abstract: Covering composition for isolating tooth material to be treated and producing a shield for the surrounding gums and/or adjacent teeth from dental treatment means which cross-links in a self-curing manner at an ambient temperature in the mouth interior and produces an elastomeric material.

Abstract: A temporary supraconstruction for a dental implant or a core for a temporary supraconstruction for a dental implant, characterized in that it includes a material having a modulus of elasticity of less than 300 MPa, preferably in the range of from 15 to 20 MPa.

Abstract: A storage/dispensing system (9) for a flowable dental substance is described with a solvent-tight, resiliently deformable container (10) for the storage and provision of the flowable dental substance and a dispensing device (1) connected to the container (10) for discharging the flowable dental substance from the container (10), with a cup (2) which has an outlet orifice (3) and a wall (4, 4?) in which a passage orifice (5) is provided for introducing the flowable dental substance from the container (10), wherein the passage orifice (5) has a cross-sectional area of 0.001 to 0.1 mm2 and the outlet orifice (3) has a cross-sectional area of 0.5 to 5 mm2, and wherein the inside of the cup (2) has a cross-section which is constant and/or reduces from the passage orifice (5) to the outlet orifice (3).

Abstract: A packaging (100, 200) is described for storing a free-flowing, paste-like or powdery substance (110), consisting of or comprising a bottom foil (120, 220) and a covering foil (130, 230) which are sealed to each other at least in certain portions, and a removal chamber (140, 240) which is formed from regions of the bottom foil and the covering foil that are detachably sealed to one another at least in certain portions, wherein the removal chamber can be opened by detaching at least a first portion (131, 231) of the covering foil from the bottom foil, wherein a second portion (132, 232), which is arranged adjacent to the first portion, of the covering foil displays less deformation resistance than the first portion of the covering foil, so that plastic deformation, required for opening the removal chamber, of the covering foil occurs substantially in the second portion of the covering foil.

Abstract: A package (1) is described for the storage of at least two substances in separate chambers, comprising: a first chamber (3), which contains a flowable first substance (5), and a second chamber (7), wherein the first chamber (3) and the second chamber (7) are in each case formed from portions, sealed to one another in liquid tight manner, of a base film (11) and a cover film (13), the cover film (13) is a composite film comprising a first barrier foil (21) of a metallic material, the base film (11) is a composite film comprising a second barrier foil (29) of a metallic material, wherein the metallic material of the second barrier foil (29) is softer than that of the first barrier foil (21), in a zone (15) connecting the first chamber (3) and the second chamber (7), the base film (11) and the cover film (13) are sealed to one another in such a manner that, by exerting external pressure on the first chamber (3), (a) the sealed joint between the films (11, 13) may break selectively in the stated zone (15), (b) a

Abstract: The invention relates to a syringe (1) for dosed dispensing of material, in particular of free-flowing and/or pasty dental material, comprising a sleeve (10) for accommodating material and a piston (15) which can be inserted into the sleeve (10) and which comprises a piston member (15?), a frictional engagement element (25) which abuts an inner wall (35) of the sleeve (10), and an elastic element (30) coupling the frictional engagement element (25) and the piston 10 member (15?), wherein the sleeve (10) and the piston (15) inserted into the sleeve define an inner sleeve chamber (70) for accommodating the material, wherein the elastic element (30) can be tensioned, on insertion of the piston (15) and/or of the piston member (15?) into the sleeve (10), by means of a relative lag of the frictional engagement element (25) in relation to the piston member (15?), 15 wherein by relaxing the elastic element (30) it is possible for the piston member (15?) to be expelled at least partially from the sleeve (10) while th

Abstract: The present invention comprises a syringe for the metered delivery of materials, in particular of dental materials, with a tube (4) which accommodates material and a rotary plunger (12) which can be introduced into the tube and has a contact body (14) for applying to the palm of a hand, wherein the tube (4) has an outlet opening (8) which is disposed opposite the point of entry of the rotary plunger (12), and wherein three or four radially extending gripping bodies (20) disposed symmetrically about a longitudinal axis of the syringe (2) are disposed on the syringe (2) in the region of the outlet opening (8) of the tube (4) for applying the fingers of the hand for rotating the tube (4) about the rotary plunger (12), wherein the gripping bodies (20) have a radial height of 0.5 cm or more.

Abstract: A composition for cleaning dental instruments, comprising or consisting of: (a) one or more amino acids and/or salts thereof (aminocarboxylates) in a total amount of from 20 to 70 parts by weight, preferably 27.

Abstract: A capsule for mixing and applying dental cement includes a capsule body having a cylindrical shape, a longitudinal axis and a dispensing end. A mixing chamber is located in the capsule body, and it is designed and arranged to hold dental cement. The mixing chamber has an opening region. A piston is located in the capsule body and in the mixing chamber to be axially displaceable for expelling mixed dental cement through the opening region. An exit opening is located at the dispensing end of the capsule body and in the opening region. A closure cap is designed and arranged to cover the opening region. A clamping device is designed and arranged to rotatably connect the closure cap to the capsule body in the opening region to be in opposite fluid-sealing relationship. An unbent application cannula is fixedly mounted to the closure cap at an angle of approximately 10° to 80° with respect to the longitudinal axis of the capsule body.