Dental implant with shock absorbent cushioned interface

Details Dental implant with shock absorbent cushioned interface Dental implant with shock absorbent cushioned interface

1994-05-03

1995-06-20

O'Connor, Cary E.

Dentistry

Prosthodontics

Stress breaker

433173, A61C 1328, A61C 800

Patent

active

054256399

ABSTRACT:
A dental implant device which effectively and physiologically prevents the penetration of bacteria and other microorganisms and foreign material into the vital implant interface surface with the bone while maintaining resilience and energy absorbing properties which prevent excessive stress on the implant and underlying bone tissue and discomfort to the user. This dental implant device comprises (a) a root structure made of a suitable dental prosthesis material, (b) a resilient boot member surrounding and in contact with the lower portion of the root structure, (c) a biocompatible substantially non-porous sheath member to which bony tissue will readily adhere, enclosing both the resilient boot member and lower portion of the root structure, and (d) a porous sleeve that prevents the penetration of pathogens into the vital implant interface with the bone. More preferably, the device includes a resilient membrane sleeve around an upper portion of the root structure and a seal between the upper and lower portions of the root structure and the sheath member to preclude tissue adherence to the boot member and prevent gingival tissue adherence to the sheath member.

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patent: 4195409 (1980-04-01), Child
patent: 4270905 (1981-06-01), Mohammed
patent: 4531916 (1985-07-01), Scantlebury
patent: 4552532 (1985-11-01), Mozsary
patent: 4568285 (1986-02-01), Chiaramonte et al.
patent: 4622010 (1986-11-01), Koch
patent: 4780080 (1988-10-01), Haus
patent: 5052931 (1991-10-01), Kirsch

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