Method for the manufacture of dental restorations
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United States of America Patent
Stats
-
Dec 23, 2003
Grant Date -
Aug 22, 2002
app pub date -
Jul 24, 2001
filing date -
Jan 10, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Dental restorations are fabricated using metal powder. Preferably, the metal powder is a high fusing metal and preferably, the metal powder comprises a non-oxidizing metal. The metal powder is applied to a die and is covered with a covering material such as a refractory die material preferably in the form of a flowable paste. A second covering material may be sprinkled or dusted onto the paste. The model is then dried prior to firing. After drying, the model is sintered to provide a high strength metal restoration. After sintering, the outer shell can be broken off easily with one's hand to expose the sintered coping.
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