Immediate post-extraction implant
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United States of America Patent
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Issued Date -
Oct 31, 2002
app pub date -
Jun 25, 2002
filing date -
Feb 10, 1999
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A submergible or non-submergible ('one stage') screw-type implant for use in the immediate post-extraction site of a patient's tooth. In order to increase the ability of regenerated bone to anchor the implant, an upper portion of the implant has a preferably generally conical shape and has a plurality of spherical projections sintered to its outer surface to make it suitable for bone integration and retention. The lower portion of the implant has a cylindrical shape with threads extending over a portion thereof. A channel is located through the threads and is shaped so that one side forms a cutting edge that makes the lower portion of the implant self-tapping into the bone at the base of the tooth extension socket.
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