Dentistry – Prosthodontics – Holding or positioning denture in mouth
Patent
1988-08-10
1990-10-02
Wilson, John J.
Dentistry
Prosthodontics
Holding or positioning denture in mouth
433173, A61C 800
Patent
active
049603817
ABSTRACT:
A screw-type dental implant anchor includes an externally-threaded body portion having internal structure for engaging an insertion tool. The body portion can be joined to a top portion having an unthreaded exterior wall. This internal is inside a top portion or inside the body portion of the anchor. The top portion is open, preferably chamfered at its upper end, and in registration with an internally-threaded shaft inside the body portion of the anchor that extends from a plane just below the head portion downwardly a substantial distance inside the body portion. The distal end of the anchor includes a through hole extending from one side of the body portion to the other, and an opening at the bottom of the body portion extending upwardly inside the body portion a distance sufficient to permit bone and associated tissue to grow into and through these openings and to permit blood tissue to escape.
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The Journal of Prosthetic Dentistry vol. 50, No. 1, published by The C. V. Mosby Company, in Jul. 1983.
Promotional Literature for Zest Anchor.
Core-Vent Corporation
Wilson John J.
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