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a Orthopantomogram with a metal prosthetic joint (condyle) secured to the mandibular ramus with 4 screws. The metal condyle articulates against a prosthetic fossa made of ultra-high molecular weight polymer. Only the screw fixation can be seen in the fossa. Figure 3b shows a lateral cephalogram view of the same TMJ prosthesis in the same patient. (Biomet—Lorenz TMJ prosthesis—Jacksonville Fl., is shown)
