Abstract: A multipurpose dental X-ray film mount assembly that replaces a plurality of different and separate single purpose mounts, said assembly comprising two quadrilaterally shaped sheets of a suitable semi-rigid plastic material of film thickness dimensions, with the sheets being plastic welded together by a continuous weld lying along the longitudinal center line of the assembly and a plurality of continuous weld lines that extend transversely of the assembly between its side edges and that are spaced apart to subdivide the assembly into a plurality of equally sized subdivisions of two sections each, one such section on either side of the longitudinally extending weld line. The sheets are also bonded together to define a dental X-ray film receiving closed bottom pocket at each assembly section that opens at the side edge of same.

Abstract: A method and device for radiographing the human jaw joints for providing a clear image of one of the joints on one dental film and for providing a clear image of the other joint on a separate second dental film, comprising a frame equipped for mounting the respective films on either side of the patient's head, with the respective film holders of the frame and an X-ray positioning target for each such holder being arranged in sets oriented to be coordinated with the patient's Ala-tragal plane, in which the film holder of each set is disposed adjacent the jaw joint to be radiographed and the target therefor is disposed on the other side of the patient's head on an X-ray axis that is to pass through the joint the particular film is to bear, which axis is oblique to a straight line connecting the jaw joints to be radiographed.

Abstract: An apparatus for developing dental X-ray film of the dip and dunk type, in which the apparatus is provided with a plurality of processing stations disposed in an arcuate path that is concentric about a vertical axis, which stations comprise loading, developing, rinse, fix, final rinse, drying, and unloading stations, with the developing, rinse, fix, and drying stations being defined by open topped receptacles. The individual films are clipped to special film hangers which are removably suspended from a cantilevered support that rotates intermittently about the said vertical axis, and also is moved vertically to dispose the individual hangers elevationally to move between stations and then lower the hangers into the respective receptacles for the processing to be performed there, in which position the hanger support reciprocates vertically for purposes of agitating the film in its bath.