Functional implant
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United States of America Patent
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Jan 3, 2017
Grant Date -
Oct 1, 2015
app pub date -
Jun 3, 2013
filing date -
Oct 18, 2012
priority date (Note) -
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Abstract
A functional implant includes: a fixture; an abutment coupled to the upper portion of the fixture using a bolt; and a crown coupled to the abutment coupled to the fixture, the crown having a crown body concave on top thereof, an abutment insertion recess formed inside the crown body to be open on the underside of the crown body, and a coupling guide portion formed on an inner peripheral wall of the abutment insertion recess and having a scratch surface formed on the surface of the inner peripheral wall, a silica layer bonded to the scratch surface, a zirconia primer layer coated onto the silica layer, and a resin bonded to the zirconia primer layer. The crown is detachably coupled to the abutment through press-fitting, thereby allowing easy detachment and smooth repair and correction. The crown is made using milling, thus reducing errors to ensure good fitness and passivity.
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