High strength substructure reinforcement for crowns and bridges
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United States of America Patent
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Apr 6, 2010
Grant Date -
Oct 19, 2006
app pub date -
Apr 15, 2005
filing date -
Apr 15, 2005
priority date (Note) -
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Abstract
A reinforcement for a dental restoration substructure is provided. The reinforcement is a generally annular structure that protrudes from the body of the substructure generally near an occlusal portion of the restoration. The annular structure provides a support for veneering porcelain at the location of the greatest thickness of the porcelain and at the location where occlusal stress is applied, and fractures of veneering porcelain are commonly experienced.
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