Dentistry – Prosthodontics – Stress breaker
Patent
1990-06-28
1991-08-20
Wilson, John J.
Dentistry
Prosthodontics
Stress breaker
433173, A61C 1328
Patent
active
050409824
ABSTRACT:
In a dental implant assembly including a lower section having an implant fixture being disposed in a jaw-bone; the implant fixture having a threaded hole formed therein; a central section having an abutment screw screwed into the threaded hole; and an upper section attached to the abutment screw, an apparatus for resiliently supporting the upper section and sealing the abutment screw against the implant fixture, comprising a cylinder surrounding the abutment screw, and a bushing surrounding the abutment screw between the cylinder and the implant fixture.
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Greenberg Laurence A.
Lerner Herbert L.
Wilson John J.
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