Buttress thread implant

Details Buttress thread implant Buttress thread implant

1993-12-27

1999-10-12

Buiz, Michael

Surgery

Instruments

Orthopedic instrumentation

411411, F16B 3504

Patent

active

059647663

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.

REFERENCES:
patent: 4468200 (1984-08-01), Munch
patent: 4576534 (1986-03-01), Barth et al.
patent: 5061135 (1991-10-01), Pritchard

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