Dentistry – Prosthodontics – Holding or positioning denture in mouth
Patent
1987-12-29
1988-12-06
Wilson, John J.
Dentistry
Prosthodontics
Holding or positioning denture in mouth
A61C 800
Patent
active
047893370
ABSTRACT:
A dental implant comprises a shaft having a smooth wheel of relatively large diameter on one end of the shaft and perpendicular to and coaxial with the shaft, and a plurality of relatively small wheels spaced along the shaft and spaced apart from each other and from the relatively large wheel. The relatively small wheels have each a cylindrical outer contour and have flanks that lie in planes parallel to each other and perpendicular to the axis of the shaft.
REFERENCES:
patent: 2453696 (1948-11-01), Brooks
patent: 2857671 (1958-10-01), Nelson
patent: 3474537 (1969-10-01), Christensen
patent: 3894339 (1975-07-01), Manzi
patent: 3919772 (1975-11-01), Lenczycki
patent: 3925892 (1975-12-01), Juillet
patent: 3992780 (1976-11-01), Herskovits
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