Dental prosthesis and method of its production utilizing standardized framework keys and matching premanufactured teeth
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United States of America Patent
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Nov 4, 2014
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app pub date -
Jan 4, 2012
filing date -
Jan 4, 2012
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Abstract
A system including a method and associated structures creates efficiencies in the manufacture of prosthetic tooth support frameworks. Pre-manufactured teeth with matching internal keys are used in the setup of a patient prototype. Each key includes a shaft, a cervical platform, a retention knob and preferably at least one channel for the expulsion of excess adhesive fluid. The cervical platforms are shaped to provide intimate contact with a base of their respective tooth. The same tooth/key pairs are then used to make a framework pattern from the setup positioning. The pattern can be cast or scanned for direct machining to produce the finished framework.
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