3M recently filed patent infringement charges against Zirkonzahn in a German court.
The legal action was taken as a part of 3M’s efforts to license its patented technologies for the fabrication of ceramic-based dental restorations, according to a press release. The suit alleges that instructions for sintering Zirkonzahn’s zirconia blocks infringe on a 3M patent that enables dimensionally stable sintering.
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