Abstract: A camera and a method for taking stereophotographic pictures. The camera comprises a camera housing for carrying film, a film placement plate in the camera housing for positioning against a portion of the film to be exposed to ensure precise planar placement of the portion of film while exposed, a lens which is fixed to the camera housing to obtain optical and geometric stability, and at least one reflecting surface on the camera extending essentially parallel to and along a periphery of a linear imaging path from the lens and an object to be photographed, wherein the lens receives a first portion of the optical radiation which emanates directly from the object and produces an actual image of the object on the film and the at least one reflecting surface reflects a second portion of the optical radiation emanating from the object toward the lens and creates a virtual image of the object on the film, the virtual image having an viewing angle of the object different than the actual image.

Abstract: This method increases the precision of the components in an impression system for dental prosthesis of the type permanently anchored in the jaw by at least one securing elements implanted in the jawbone. Each of the securing elements is provided with a distance member whose upper part protrudes above the palatal arch and on which the finished dental bridge/dental prosthesis is then anchored via a so-called gold cylinder. The system includes impression components in the form of impression tops and distance dummies with continuous guide holes and stop members for a guide pin which, during fixing of the components, is guided through the respective guide hole and engages with the stop members of the respective impression component. That part of the guide pin which interacts with the stop members of the guide holes of the respective impression component has a conical stop surface, while the stop members form plane surfaces and guide edges.