Dental implant including plural anchoring means
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United States of America Patent
Stats
-
Jan 7, 1992
Issued Date -
N/A
app pub date -
Feb 12, 1991
filing date -
Jan 8, 1987
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A dental implant anchor includes a body portion having a first external wall portion carrying one or more circumferential projections separated by circumferential grooves and, below, a second external wall portion carrying threads. The implant can include a head portion with a smooth external wall; a through-hole and an apical hole passing through the bottom of the implant; and internal structure for engaging a tool for inserting the implant in a passage formed in bone tissue. This internal structure can be in a top portion, or in an internal passage in the body portion of the implant. The method for forming a passage in bone tissue to receive the implant includes forming a passage having a base with a diameter suited to self-tapping of the threaded part of the implant, and, above the base, a larger-diameter section to engage frictionally the circumferential projections.
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Family
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