Abstract: The invention relates to the use of a printing sol as construction material in an additive manufacturing process for producing a 3-dim article, the printing sol comprising solvent(s), nano-sized crystalline zirconia particles in an amount from 2 to 25 vol.-% with respect to the volume of the sol, the average primary particle size of the nano-sized crystalline zirconia particles being in a range up to 50 nm, a first monomer being a polymerizable surface modification agent represented by formula A-B, with A being capable of attaching to the surface of the nano-sized crystalline zirconia particles and B being a radiation curable group, optionally a second monomer, the second monomer comprising at least one radiation curable moiety but no acidic or silane group(s), photo initiator(s). The invention also relates to a ceramic article obtainable according to such a process.

Abstract: A door module of a vehicle door includes a carrier plate having a cable window regulator with at least one guide rail, and a door structure which is or can be joined to the carrier plate. A cable deflection region of the guide rail extends beyond an outer edge of the carrier plate. The cable deflection region is provided with a joining contour which, when joined, is form-lockingly inserted in a receiving contour of the door structure. The joining contour engages behind the receiving contour in such a way that the cable deflection region is stabilizingly held in a direction perpendicular to the cable deflection region. A vehicle door having the door module is also provided.

Abstract: A motor vehicle door having a frame defining a window opening, and a window lift system having a first guide rail, a first sliding piece guided on the first guide rail, a second guide rail, a second sliding piece guided on the second guide rail, a cable drum and a drive cable driven by the cable drum and coupled to the sliding pieces, the drive cable guided in a Bowden cable sheath between an upper end region of the second guide rail and a connection region located between an upper end region of the first guide rail and a lower end region of the first guide rail. The Bowden cable sheath fastened in the upper end region of the second guide rail and in the connection region of the first guide rail.

Abstract: The invention relates to a process of producing a dental zirconia article, the process comprising the step of sintering a porous dental zirconia article, the sintering comprising a heat-treatment segment A characterized by a heating rate of at least 3 K/sec up to a temperature of at least 1,200° C., the porous dental zirconia article being composed of a zirconia material containing 6.0 to 8.0 wt. % yttria, 0.05 to 0.12 wt. % alumina and comprising a coloring component containing Tb, the porous dental zirconia article being essentially free of Fe components. The invention also relates to a process comprising the additional step of applying a glazing composition to the outer surface of the porous zirconia article before the heat-treatment or sintering is conducted.

Abstract: Disclosed herein are curable glass ionomer compositions that include a first paste and a second paste, and methods for using the disclosed compositions. The first paste includes water, a polyacid, and a non acid-reactive filler. The second paste includes water, an acid-reactive filler; and non-aggregated, water-miscible, nano-sized silica particles having at least 25% surface coverage of the particles with a silane. The composition is essentially free of a resin. In some embodiments, the water content of the first paste and the second paste of the paste/paste GI composition disclosed herein is less than 20% by weight, based on the total weight of the composition.

Abstract: A window lift system including a first guide rail including a first stop, a second guide rail which has a second stop in an upper end region, a first slider guided on the first guide rail, second slider guided on the second guide rail, cable drum, and a drive cable driven by means of the cable drum and coupled to the sliders and extending through a Bowden cable sheath between the upper end region of the second guide rail and a lower end region of the first guide rail. The sliders are movable by the drive cable along the guide rails into a stop position in which the second slider lies against the second stop and the first slider is spaced apart from the first stop by a predefined distance, ranging between 0.4 percent and 1.2 percent of the length of the Bowden cable sheath.

Abstract: A method of making a monolithic dental restoration. The method includes the steps of providing a monolithic precursor of a dental restoration and firing the monolithic dental restoration precursor to provide the monolithic dental restoration. The zirconia material of both the dental restoration precursor as well as the dental restoration has a relative density of greater than 98% of the theoretic density of the zirconia material. The invention helps providing a color of a non-glazed dental restoration which resembles the color of a glazed dental restoration.

Abstract: Disclosed herein are curable glass ionomer compositions that include a first paste and a second paste, and methods for using the disclosed compositions. The first paste includes water, a polyacid, and a non acid-reactive filler. The second paste includes water and an acid-reactive filler. At least one of the first paste and the second paste further includes substantially crystalline inorganic fibers. In some embodiments, the water content of the first paste and the second paste of the paste/paste GI composition disclosed herein is less than 20% by weight, based on the total weight of the composition.

Abstract: A device for robot-assisted surgery comprises at least one manipulator arm with a non-sterile coupling unit comprising at least one first drive element. Further, the device comprises a sterile instrument unit arranged in a sterile area and comprising at least one second drive element arranged rotatably around an axis of rotation. The first drive element and the second drive element are configured and arranged in a coupled state such that by the first drive element a force can be exerted on the second drive element, for rotation of the second drive element about the axis of rotation, and in the coupled state the first drive element and the second drive element are arranged side by side in a plane of rotation orthogonally to the axis of rotation. Further, the device comprises a sterile barrier which is arranged at least between the first drive element and the second drive element.

Abstract: The invention relates to a kit of parts for preparing a glass ionomer composition for dental use, the kit comprising a Paste A and a Paste B, Paste A comprising water, acid-reactive inorganic filler A, non acid-reactive filler B1, sugar alcohol with 6 hydroxyl moieties, Paste B comprising water, polyacid, non acid-reactive filler B2, the sugar alcohol being present in an amount of not more than 2 wt. % and the water being present in an amount of not more than 15 wt. %, wt. % with respect to the whole composition obtained when mixing Paste A and Paste B.

Abstract: The invention relates to a glazing composition suitable for glazing the surface a dental zirconia article. The glazing composition comprises a liquid, glass particles, and hydrophilic silica nano-particles. The invention also relates to a process for sintering a porous dental zirconia article with a glazing composition on its surface.

Abstract: The invention relates to a glazing composition for a porous dental zirconia article, the glazing composition comprising liquid, glass particles, fluorescing component(s) comprising europium, optionally hydrophilic silica nano-particles, and optionally hydrophobic silica nano-particles, wherein the fluorescing component(s) can be contained in the glass particles or as separate component. The invention also relates to a process for sintering a porous dental zirconia article with a glazing composition on its surface.

Abstract: The present disclosure provides compositions, methods, and kits for detecting lipolytic activity. In some embodiments, the composition comprises an aqueous assay sample and an organic solvent, wherein the organic solvent comprises 4-methylumbelliferyl oleate (4MuO). Also provided herein are methods for determining the stability of a protein preparation.

Abstract: A system (1) for washing a 3D-printed object (4). The system (1) has a washing device (2) and a workpiece (3) that includes the 3D-printed object (4). The washing device (2) has a container (7) that forms a process chamber (8) for receiving a liquid cleaning agent (9), and the container (7) has an inlet (10) into the process chamber (8). The workpiece (3) further has a support structure (6) that supports the 3D-printed object (4) and a base (5) supporting the support structure (6). The base (5), in a mating relationship with the inlet (10), forms a restraint preventing the workpiece (3) from passing through the inlet (10) in a situation in which the workpiece (3) is placed with the 3D-printed object (4) located within the process chamber (8).

Abstract: The invention relates to a kit of parts for preparing a glass ionomer composition for dental use, the kit of parts comprising a Powder Part P and a Liquid Part L, Powder Part P comprising: acid-reactive inorganic filler, Liquid Part L comprising: water, complexing agent, polyacid, either the Powder Part P or the Liquid Part L or the Powder Part P and the Liquid Part L comprising non-aggregated nano-sized particles based on silica or alumina, the composition obtained by combining the components of Powder Part P and Liquid Part L before hardening comprising the components in the following amounts: non-aggregated nano-sized particles: from 0.1 to 15 wt.-%, acid-reactive filler in an amount from 50 to 75 wt.-%, polyacid: 7 to 20 wt.-%, complexing agent: 0.5 to 3 wt.-%, water: 5 to 18 wt.-%, wt.-% with respect to the weight of the whole composition.

Abstract: It is provided a carrier device for a motor vehicle having a base carrier which is substantially formed by an organo sheet and which extends along a main plane. The base carrier has at least one separation on which a material region is molded out from the main plane while forming at least one free space, such that said material region is spaced apart from an adjacent region of the base carrier by at least one portion, wherein the at least one free space is at least partially filled with an injection of thermoplastic material and/or with a separate insert element, such that the portion of the molded-out material region and the adjacent region are connected to one another thereby.

Abstract: The present invention relates to a process for producing a ceramic article, the process comprising the steps of providing a printing sol, the printing sol comprising solvent, nano-sized particles, radiation curable monomer(s) and photoinitiator, the printing sol having a viscosity of less than 500 mPa*s at 23° C., processing the printing sol as construction material in an additive manufacturing process to obtain a 3-dim article being in a gel state, the 3-dim article having a Volume A, transferring the 3-dim article being in a gel state to a 3-dim article being in an aerogel state, heat treating the 3-dim article to obtain a sintered 3-dim ceramic article, the ceramic article having a Volume F, Volume A of the 3-dim article in a gel state being more than 500% of Volume F of the ceramic article in its sintered state. The invention also relates to a ceramic article obtainable according to such a process. The ceramic article can have the shape of a dental or orthodontic article.

Abstract: A door module for a motor vehicle door having a module carrier which is formed substantially by organic sheet, a longitudinally extending channel which is formed integrally in the organic sheet of the module carrier, an insertion opening which extends along the direction of extent of the channel and via which a reinforcement element of the motor vehicle door is insertable into the channel, and at least one functional element which is fixed to the module carrier and which crosses the channel and thereby partially covers the longitudinally extending insertion opening thereof. In the organic sheet of the module carrier, there is formed an elastically deformable bending region which enables the channel to be bent open at least in sections, and/or enables the channel to be bent away from the functional element, in order to open up the insertion opening of the channel for the insertion of the reinforcement element.

Abstract: It is provided a module carrier for a door module of a motor vehicle door, wherein at least one functional element is to be fixed to the module carrier. The module carrier is formed substantially by an organic sheet and is delimited by an encircling outer edge with at least one sealing element. On the module carrier, there is provided a multiplicity of interfaces firstly for fixing the module carrier to a door structure of a motor vehicle door and secondly for connecting the at least one functional element and/or further components of the door module to the module carrier.

Abstract: Disclosed herein are curable glass ionomer compositions that include a first paste and a second paste, and methods for using the disclosed compositions. The first paste includes water, a polyacid, and a non acid-reactive filler. The second paste includes water and an acid-reactive filler. At least one of the first paste and the second paste further includes substantially crystalline inorganic fibers. In some embodiments, the water content of the first paste and the second paste of the paste/paste GI composition disclosed herein is less than 20% by weight, based on the total weight of the composition.