Abstract: The invention relates to a double cartridge (1), a mixer (3) and a combination consisting of a double cartridge having a mixer. The cartridge has a guiding channel (14b) that is formed between protrusions (14, 14a; 1a). The mixer (3) has at least one guiding rib (13) to guide the mixer (3) in the double cartridge (1).

Abstract: The invention relates to a mixer (1) for mixing two components, in particular, a hardenable dental material. The mixer (1) has a mixer housing (2), a mixer element (4) and a cover (3). The mixer (1) has an annular chamber (17) that is in fluid communication with the mixing chamber of the mixer housing (2). The chamber (17) is defined by the cover (3), and by a plate (18) that is provided on the mixer element (4). The first of the inlet connections (12, 13) leading into mixer (1), ends in chamber (17), while the other ends downstream of plate (18) in the mixing chamber.

Abstract: The invention relates to a polymerizable dental material containing a catalyst paste (A) and a base paste (B), wherein the catalyst paste (A) contains at least one organic peroxygen compound, at least one radically polymerizable organic (meth)acrylic monomer and at least one filler, and wherein the base paste (B) contains at least one radically polymerizable organic (meth)acrylic monomer, an amine as co-initiator of the radical polymerization, at least one filler and at least one salt-like, water-soluble, powdery reduction agent dispersed therein, wherein the catalyst paste (A) and/or the base paste (B) contains at least one phase transfer catalyst that is selected from the group consisting of the ammonium, phosphonium and/or sulfonium salts that contain an inorganic or organic anion, provided that the phase transfer catalyst—in the event of organic anions—contains only those having 1-4 carbon atoms, and that anions of sulfinic acids are precluded.

Abstract: The invention relates to a polymerizable dental material containing a) at least one curable aliphatic and/or cycloaliphatic monomer system having a refractive index that is measured at 23° C. and a wavelength of 589 nm of less than or equal to 1.50 that contains at least one aliphatic and/or cycloaliphatic bis(meth)acrylate and/or at least one aliphatic and/or cycloaliphatic bis(meth)acrylamide; and b) 15 to 80% by weight relative to the total mass of the dental material of at least one filler selected from the group of fused silica having a refractive index that is measured at 23° C. and a wavelength of 589 nm of 1.45 to 1.47, or cristobalite with a refractive index that is measured at 23° C. and a wavelength of 589 nm of 1.48 to 1.49, or combinations thereof. The radically polymerizable dental material has excellent storage properties and is formulated, in particular, as a two-component mixture containing components A and B.

Abstract: A system of several different types of cartridges and several different types of mixers that can be connected with one another. As double cartridges, the cartridges have two containers that are connected with each other. Each container is associated with an outlet opening or outlet connector. The mixers have two inlet openings or inlet connectors respectively that can be coupled to the outlet openings or outlet connectors. The size of the inlet openings or inlet connectors and the size of the outlet openings or outlet connectors is the same for each type of mixer and/or each type of cartridge. For associating a type of mixer with a type of cartridge, guide protrusions are provided at the mixers or corresponding openings at the cartridges.

Abstract: A dispensing device with at least one container for the accommodation of components to be dispensed, with an applicator that can be releasably fixed to and/or on the at least one container and with a coupling means for releasable fixing of the applicator to at least one container. The coupling means may include at least one spring arm which has a radially pivotable free end for locking the applicator in place on at least one container and may further comprise a moveable locking ring.

Abstract: A polymerizable dental material containing reactive paste-forming agent hardened dental material and the use thereof.

Abstract: The invention relates to a polymerizable dental material containing a) at least one curable aliphatic and/or cycloaliphatic monomer system having a refractive index that is measured at 23° C. and a wavelength of 589 nm of less than or equal to 1.50 that contains at least one aliphatic and/or cycloaliphatic bis(meth)acrylate and/or at least one aliphatic and/or cycloaliphatic bis(meth)acrylamide; and b) 15 to 80% by weight relative to the total mass of the dental material of at least one filler selected from the group of fused silica having a refractive index that is measured at 23° C. and a wavelength of 589 nm of 1.45 to 1.47, or cristobalite with a refractive index that is measured at 23° C. and a wavelength of 589 nm of 1.48 to 1.49, or combinations thereof. The radically polymerizable dental material has excellent storage properties and is formulated, in particular, as a two-component mixture containing components A and B.

Abstract: The invention relates to a container (1) for storing and discharging at least two components, in particular by means of a discharge gun or the like. The container (1) has at least two chambers (4a, 4b) for accommodating the components, a plunger means (15, 18, 20) for simultaneously discharging the components from the chambers, a sealing means for sealing the chambers, which sealing means can be opened and a mixer (8).

Abstract: The invention relates to a cartridge system with two containers (2a, 2b) respectively having an outlet connector (4a, 4b), and a common connection section for a mixer (1) having a positioning aperture (7), and with a static mixer (1) with inlet connectors (14a, 14b) and a positioning element (16). The connection section of the cartridge comprises a ring (5) having an inner thread (6) that surrounds the outlet connectors (4a, 4b), whereby the mixer (1) has an outer thread (11). Further, the invention relates to a static mixer (1) for a cartridge system of this type.

Abstract: The invention relates to a delivery device having two containers (4a, 4b) that are connected with each other and a mixer (3). Preferably, the mixer can be connected with the containers (4a, 4b) by an outer thread (17). Thereby, the mixer has a coupling element (13), a mixer housing (11) rotatable relative to it and a mixing element (12) that is housed in the mixer housing (11).

Abstract: The invention relates to a mixer (1) for mixing two components, in particular, a hardenable dental material. The mixer (1) has a mixer housing (2), a mixer element (4) and a cover (3). The mixer (1) has an annular chamber (17) that is in fluid communication with the mixing chamber of the mixer housing (2). The chamber (17) is defined by the cover (3), and by a plate (18) that is provided on the mixer element (4). The first of the inlet connections (12, 13) leading into mixer (1), ends in chamber (17), while the other ends downstream of plate (18) in the mixing chamber.

Abstract: The invention relates to a system consisting of several different types of cartridges (1a, 1b; 21a, 21b) and several different types of mixers (11a, 11b, 11c; 20a, 20b) that can be connected with such. As double cartridges, the cartridges have two containers (2, 3) that are connected with each other. Each container is associated with an outlet opening or outlet connector (5, 6). The mixers have two inlet openings or inlet connectors (24, 25) respectively that can be coupled to the outlet openings or outlet connectors (24, 25). The size of the inlet openings or inlet connectors and the size of the outlet openings or outlet connectors is the same for each type of mixer and/or each type of cartridge. For associating a type of mixer with a type of cartridge, guide protrusions (13a, 13b, 13c; 23) are provided at the mixers or corresponding openings (10a, 10b; 22) at the cartridges.

Abstract: A set or assembly for producing at least one temporary crown or bridge material has a carrier for accommodating a crown and bridge material and a crown and bridge material in an amount that is at least sufficient for the production of a tooth crown. The crown and bridge material is a light-curing and, in particular, flowable single-component material, and the carrier that can be adapted to the tooth situation is transparent or translucent. In another aspect, a method for producing a temporary tooth crown or bridge and a temporary tooth crown or bridge produced by the method are also provided.

Abstract: The invention pertains to a cartridge (1) with at least one chamber (6a, 6b) for accommodating a substance that respectively features a dispensing opening (11a, 11b) and another opening that is closed by a piston (8a, 8b) that can be displaced in the chamber and serves for dispensing the substance. The cartridge (1) furthermore features a piston rod mechanism (4) for displacing the piston (8a, 8b) in the chamber (6a, 6b). In this case, the piston rod mechanism is composed of several piston rods (14, 14a, 14b, 15, 15?) that can be transferred from a first dispensing stage to a second dispensing stage with the aid of a spring element (18, 18a, 18b).

Abstract: A composition containing curable polymers is disclosed selected from the group of organopolysiloxanes that crosslink by means of an addition reaction, organopolysiloxanes that crosslink by means of a condensation reaction, polyethers that contain alkoxysilyl groups and crosslink by means of a condensation reaction, polyethers that contain aziridino groups and crosslink by means of an addition reaction, polyethers that contain alkenyl groups and crosslink by means of an addition reaction, polyethers that contain ester groups of an ethylenically unsaturated carboxylic acid and crosslink by means of a radical polymerization reaction, or polyethers, silicones or rubbers that crosslink by means of a ring-opening metathesis reaction and also contain at least one nonionic and/or ionic fluorosurfactant.

Abstract: The invention relates to a double cartridge (1), a mixer (3) and a combination consisting of a double cartridge having a mixer. The cartridge has a guiding channel (14b) that is formed between protrusions (14, 14a; 1a). The mixer (3) has at least one guiding rib (13) to guide the mixer (3) in the double cartridge (1).

Abstract: A polymerizable dental material with reactive paste-forming agent, hardened dental material and the use thereof. A polymerizable dental material containing at least one paste-like component A and at least one paste-like component B is described, whereby component A contains at least one initiator of the radical polymerization c) selected from the group of barbituric acid derivatives and/or of malonyl sulfamides, and whereby component B contains an organic compound d) comprising at least one acrylic acid ester and/or methacrylic acid ester, at least one metal compound e) and at least one halide and/or pseudo halide compound f). The polymerizable dental material is characterized in that component A as reactive paste-forming agent contains at least one organic compound a) derived from maleic acid and/or fumaric acid and/or itaconic acid, and/or at least one compound comprising at least one allyl and/or methallyl residue b).

Abstract: The invention relates to a piston, in particular, for use as a discharge and/or locking piston of a cartridge comprising a base body (25) having a lateral wall provided with sealants (14, 17) and a front-end wall having a vent (21). A locking element (18) is mounted rotatable in the vent (21), whereby a venting channel (23, 24) can be opened or closed by the relative rotation of the locking element (18) in the vent (21). Additionally, the invention relates to a cartridge configuration having such a piston.

Abstract: The invention relates to a method and a kit for producing a dental product. The invention also relates to a device that allows the method according to the invention to be implemented. According to the invention, a thermoplastic material (4) of said kit is selectively heated through the supply of targeted (directed) energy more strongly than an impression tray (1) and/or an impression material (3).