Buttress thread implant
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United States of America Patent
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-
Oct 12, 1999
Grant Date -
N/A
app pub date -
Dec 27, 1993
filing date -
Dec 27, 1993
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A buttress-thread dental implant constitutes a rigid body including axially symmetric and radially uniform circumferential spiral pitch surfaces in the range or about 22 to about 28 of such pitch surfaces per axial inch. Above each pitch surface is a concave upper bevel surface which is longer than a lower bevel surface beneath each pitch surface. The intersection of each plane of each pitch surface with each plane of each lower bevel surface defines a total included bevel angle in the range of about 90 to about 1.30 degrees. The implant is also characterized by ratio of thread pitch to thread depth in the range of about 1.25:1 to about 1.40:1.
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