Vacuum sintered powder alloy dental prosthetic device and oven to form same
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United States of America Patent
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Apr 28, 1987
Issued Date -
N/A
app pub date -
Jun 21, 1984
filing date -
Apr 3, 1984
priority date (Note) -
Expired
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Abstract
An alloyed metal dental prosthetic device, such as a coping, of an alloy dental reconstructive element, is formed from a liquid phase sintered powdered metal alloy at elevated temperatures of about 1000.degree.-1300.degree. C. under a high level of vacuum of about 10 to 1000 microns of Hg. A special oven is devised which will achieve this high level of vacuum in a rapid efficient manner. The resultant metal prosthetic device has the density of at least that found in commercial cast prosthetic devices.
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