Dental implant anchor having internal/external wrench engaging means

Dental implant anchor having internal/external wrench engaging means
United States Patent Application 20040033469
Kind Code A1
Blacklock, Gordon D. February 19, 2004
Inventors: Blacklock, Gordon D.; (Albuquerque, NM)
Correspondence Name and Address: Sonya C. Harris
PO Box 2607
Fairfax
VA
22031
US
Serial No.: 218599
Series Code: 10
Filed: August 15, 2002

Abstract
A screw type dental implant anchor having external, helical threads (bone engaging ridges) for engaging bony tissue of a patient' mouth. The body may have a smooth section at its upper end or be threaded along its full length. A threaded, internal cavity for securing a post and core assembly may have substantially cylindrical walls, be tapered along its length, or transition from tapered proximate it opened end to substantially conical proximate its depth. Unique slots passing though a raised area of the body of the implant and into the internal cavity provide both internal and external wrenching capability for installing the implant, as well as added anti-rotational support for the abutment of the prosthesis. The internal/external slots provide enhanced strength for wrenching and eases installation in less accessible locations, as well as providing additional venting of excess cement, thereby preventing hydraulic lock.