Method for producing sonotrodes
First Claim
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1. A method of producing a dental restoration part from a ceramic material by means of ultrasonic working, comprising:
- (a) forming a negative mold from a master sonotrode,(b) forming a pre-working sonotrode from said negative mold,(c) ultrasonically working a workpiece using said pre-working sonotrode, and(d) ultrasonically working said workpiece made of ceramic material using said master sonotrode to form said dental restoration part.
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Abstract
A dental restoration part is produced from a ceramic material by a method ultrasonic working. The method includes forming a negative mold from a master sonotrode, forming a pre-working sonotrode from the negative mold, and ultrasonically working a workpiece using the pre-working sonotrode. The master sonotrode is then used to ultrasonically work the workpiece to form the dental restoration part.
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11 Claims
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1. A method of producing a dental restoration part from a ceramic material by means of ultrasonic working, comprising:
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(a) forming a negative mold from a master sonotrode, (b) forming a pre-working sonotrode from said negative mold, (c) ultrasonically working a workpiece using said pre-working sonotrode, and (d) ultrasonically working said workpiece made of ceramic material using said master sonotrode to form said dental restoration part. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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