| 摘要 |
A finished or semi-finished item in sintered zirconia is characterized by a metallic appearance obtained by placing a previously shaped and sintered zirconia item in its finished or semi-finished shape in an oven in which there is a plasma containing hydrogen, bringing the item to a temperature of around 800 DEG C. or more, and maintaining the item at this temperature for a period of time from around a quarter of an hour to three hours, preferably two hours.
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