Abstract: A transparent, colorless glass or glass-ceramic panel has a visually dense, high-temperature-stable coating having an organic/inorganic network structure containing filling material particles and a color-imparting pigment. The mechanically stable, visually dense coating has no melt-reaction zone at the surface of the panel, which is coated with the coating, so that it does not impair the panel strength. The inorganic network structure can be made from a SiO2-based sol. The coating is made by introducing the color-imparting pigment and the filling material particles into a reactive organic/inorganic network structure; applying the resulting organic/inorganic network structure containing the pigment and the filling material particles to the panel to coat the panel and then burning-in the organic/inorganic network structure with the pigment and the filling material particles under thermal conditions to form the coating with no melt-reaction zone.

Abstract: The invention relates to methods and devices for producing denture elements, whereby surface data of a remaining dental area are digitally acquired, at least one molded part, especially a denture element for the remaining dental area, is three-dimensionally designed using the surface data of the remaining dental area acquired and corresponding mold data are produced, and the at least one denture element is partially or completely produced on the basis of the surface data and mold data, with one or more of the following aspects being taken into consideration: dimensionally designing web constructions between tooth stumps and producing corresponding mold data; acquiring surface data of a three-dimensional dental impression, on one side, on two sides or on several sides; graphically representing the surface data, fixing at least one mark on the graphical representation of the surface data, and constructing mold data for a denture element based on the surface data and taking into consideration the mark in the gra

Abstract: The invention relates to a medium for analytic and preparative electrophoresis which includes a content of acids and bases of different pKa values. The medium contains at least two acids, where the difference in pKa values (?pKa) of adjacent acids are no greater than 1.0, preferably in the range from 0.8 to 0.5. The medium also contains at least two bases, whose pKa values range from approximately 1.5 to 11, and the difference of the pKa values (?pKa) of adjacent bases is no greater than 1.0, preferably in the range from 0.8 to 0.5.

Abstract: The invention relates to a blank for a tooth replacement part comprising a first section having a shape of a section of a tooth or a tooth replacement part, and a second section comprising a material stock, which can be machined to a desired shape, e.g. by milling it off. The invention further relates to a method of producing a tooth replacement part, wherein a blank is machined by a removing process such as milling or laser machining to obtain a desired shape of a tooth replacement part, wherein only portions of the blank are machined while other portions remain unmachined because they already have the desired final shape. The invention also relates to a set comprising at least one above-defined blank and at least one counterpart, which is provided with a receptacle for holding the blank adapted at least partially to the first section and/or to the second section.

Abstract: The present invention relates to a device for scanning a split-cast model, said split-cast model covering the area of a plurality of tooth sites and comprising a plurality of model parts, said device comprising: an optical scanning system (2) for one or for a plurality of split-cast models having a scanning area (3) with a width between 5 mm and 100 mm, the scanning system being adapted to be used for acquiring first data from a survey scan covering a plurality of model parts and second data from an individual scan covering only one model part, said first and second data representing the model with different/identical resolutions and/or different/identical completeness, a memory means for storing at least said first and second data, means for 3D matching said first and second data, a base plate, and further comprising a holding device for a split-cast model and/or individual model parts, which is adapted to be arranged on said base plate.

Abstract: A clock control cell for production of an output clock signal from an input clock signal has a hold element and an output stage. The hold element is preceded by a signal level converter, with the signal level converter designed such that it converts an input signal to an output signal at predetermined signal levels, wherein the input clock signal is the input signal of the signal level converter.

Abstract: The easily cleanable coated product is made by a process, in which a coating mixture including a hydrophobic and/or dirt-repellent substance uniformly distributed throughout a hydrolyzable, network-forming gel is applied to a product surface. The hydrophobic and/or dirt-repellent substance, which is a silane of the formula (CFxHy)—(CFaHb)n—(CFa?Hb?)m—Si—(OR)3, wherein R is an optionally heteroatom-containing, C1–C8-alkyl or aminoalkyl group and x and y each equal 0, 1, 2 or 3 and x+y=3, and a, a? and b, b? each equal 0.1 or 2, and a+b as well as a?+b?=2, and n and m each denote an integer from 0 to 20 and n+m equal at most 30, is chemically bound In the backbone of the gel network to form the easily cleanable coating. The gel is preferably an inorganic metal oxide gel made by a sol-gel process.

Abstract: The invention relates to objects, especially glass objects or glass ceramic objects, which are provided with a double coating to facilitate cleaning thereof. In order to ensure a coating that meets very strict test conditions developed for interior panes of baking ovens, said object comprises a double coating encompassing a hydrophobic outer layer that is provided with a component which reacts with a free OH group, and an inner inorganic sol-gel layer. The outer hydrophobic layer is applied to a highly reactive inner sol-gel layer that only begins to dry at moderate temperatures of up to a maximum of 100° C. and is firmly anchored thereto in a chemical manner by means of condensation reactions, whereupon the double-layer system is burned into the surface of the object at temperatures exceeding 50° C.

Abstract: The invention relates to the examination of a dental prosthesis, wherein the dental prosthesis is examined with finite element methods. Furthermore, the invention relates to the automated manufacture of a dental prosthesis, wherein the shape of a remaining tooth area is directly determined on the basis of the remaining tooth area itself. Furthermore, the invention relates to a method, wherein manufacturing data (milling data) which have been created with a system for calculating manufacturing data (system for calculating milling data) are optionally forwarded to one or another manufacturing machine (milling machine) at different locations.

Abstract: The invention relates to a method for manufacturing dental prostheses, wherein from a raw material area, such as a blank, a dental prosthesis is manufactured (milled out) at a manufacturing position, such as a milling position, the manufacturing position of one or more dental prostheses being determined on the basis of one or more predetermined criteria. Furthermore, the invention relates to a method for checking a worked raw material area and/or a manufacturing arrangement for a raw material area, wherein it is checked whether one or more manufacturing shapes can still be manufactured from a number of predetermined manufacturing shapes. Moreover, the invention relates to a method for manufacturing a dental prosthesis, wherein from a raw material area a dental prosthesis is manufactured, wherein a raw material is selected from a plurality of raw material areas on the basis of one or more predetermined criteria.

Abstract: A free-flow electrophoresis (FFE) apparatus and separation medium for separating particles therefore, includes a separation chamber with a dosage pump for conveying medium, electrodes for applying an electric field in the medium and sample injection points for adding a mixture of particles to be separated and fractionation points for removing the particles. Definable charge labels couple with the particles to form charge-modified particles which display with a different migratory behavior in FFE The apparatus includes focusing buffers between the separation medium and at least one electrode which has much higher electrical conductivity than the separation medium.

Abstract: A method for separating particles in free-flow electrophoresis FFE includes conveying a separation medium using a dosage pump into a separation chamber; releasing the separation medium via outlets; applying an electrical field in the separation medium; coupling a particle to be separated with selectively defined charge labels for generating charge-modified particles which due to their selectively modified net surface charge display a different migratory behavior in FFE than non-charge-modified particles; adding a mixture of particles to be separated to the separation medium in the separation chamber by way of sample injection points; removing the particles separated using the separation medium by way of fractionation points; and collecting the fractions with the separated particles.

Abstract: The invention relates to a method in which at a first location (A), such as a dental technician's laboratory or a dentist's surgery, digital image data (18) in the form of single images and/or image sequences are generated and these are transmitted to a second location (B), such as a production centre for denture parts, wherein the digital image data (18) and/or image sequences relate to information on the manufacture of denture parts (15). Furthermore, the invention relates to a scanning device for obtaining data records of dental models with a scanning appliance, such as a scanning head and with a camera, wherein remote data transmission means (8) are provided for transmitting digital image data (18) from the camera in the form of single images and/or image sequences to another location (B), such as a production centre.

Abstract: The invention refers to a method, a computer, a computer program and a computer-readable medium, which refer to the examination of data records that are used for manufacturing dental prosthesis parts. The examination may be the producibility by one or several methods, the mountability onto the associated residual tooth portion or the examination as to undercuts.

Abstract: A method and apparatus for producing data for making dental prostheses, wherein the data can be produced on the basis of a model (2) which comprises individual segments (3a, 3b, 3c, . . . ), such as representing a tooth, a preparation, a gingival area, a tooth gap or a small group of teeth, from different directions in space, and a storing device for storing the shape data obtained thereby, and—second shape data (12) of only the one segment (3a, 3b, 3c, . . . ), only part of the segment (3a, 3b, 3c, . . . ) being scanned, and the segment (3a, 3b, 3c, . . . ) being arranged in a fixed orientation relative to a reference, and b) a comparing device for comparing the first and second shape data (1, 12) to determine the orientation of the first shape data (1) relative to the reference.

Abstract: A clock control cell for production of an output clock signal from an input clock signal has a hold element and an output stage. The hold element is preceded by a signal level converter, with the signal level converter designed such that it converts an input signal to an output signal at predetermined signal levels, wherein the input clock signal is the input signal of the signal level converter.

Abstract: Surface mapping and/or generation device is provided, with a device for mapping 3D data of at least one denture base object such as a tooth stump or an implantation abutment, and an environment thereof, as well as with a device for the data-based generation and production of a denture part incorporating the 3D data of the denture base object. Additionally provided are a device for determining and/or defining a placement direction of the denture part that is to be slipped onto the denture base object, and a device for determining and producing a primary part that is to be slipped onto the denture base object before the denture part and that yields a desired placement direction for the denture part which is different from the placement direction that exists for slipping the primary part onto the denture base object. The device for data-based generation and production of a denture part is designed to generate and produce the latter by incorporating the 3D data of the primary part.

Abstract: A novel inbred maize line designated PHB6R and seed, plants and plant parts thereof. Methods for producing a maize plant that comprise crossing inbred maize line PHB6R with another maize plant. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into PHB6R through backcross conversion and/or transformation, and to the maize seed, plant and plant part produced thereby. Hybrid maize seed, plant or plant part produced by crossing the inbred line PHB6R or an introgressed trait conversion of PHB6R with another maize line. Inbred maize lines derived from inbred maize line PHB6R, methods for producing other inbred maize lines derived from inbred maize line PHB6R and the inbred maize lines and their parts derived by the use of those methods.

Abstract: A novel inbred maize line designated PH77N and seed, plants and plant parts thereof. Methods for producing a maize plant that comprise crossing inbred maize line PH77N with another maize plant. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into PH77N through backcross conversion and/or transformation, and to the maize seed, plant and plant part produced thereby. Hybrid maize seed, plant or plant part produced by crossing the inbred line PH77N or an introgressed trait conversion of PH77N with another maize line. Inbred maize lines derived from inbred maize line PH77N, methods for producing other inbred maize lines derived from inbred maize line PH77N and the inbred maize lines and their parts derived by the use of those methods.

Abstract: A transparent, colorless glass or glass-ceramic panel has a visually dense, high-temperature-stable coating having an organic/inorganic network structure containing filling material particles and a color-imparting pigment. The mechanically stable, visually dense coating has no melt-reaction zone at the surface of the panel, which is coated with the coating, so that it does not impair the panel strength. The inorganic network structure can be made from a SiO2-based sol. The coating is made by introducing the color-imparting pigment and the filling material particles into a reactive organic/inorganic network structure; applying the resulting organic/inorganic network structure containing the pigment and the filling material particles to the panel to coat the panel and then burning-in the organic/inorganic network structure with the pigment and the filling material particles under thermal conditions to form the coating with no melt-reaction zone.