Dentistry – Prosthodontics – Holding or positioning denture in mouth
Patent
1998-07-03
1999-09-14
Wilson, John J.
Dentistry
Prosthodontics
Holding or positioning denture in mouth
433175, 4332011, A61C 800
Patent
active
059512881
ABSTRACT:
The present invention is a dental implant inserted into the jaw bone for anchoring an artificial tooth in the bone. It has been designed to overcome the difficulties and complexities of prior art implants. The inventive implant consists of three simple components: An elongate body which has an neck portion and a root portion; an abutment which is mounted to the neck portion of the body and which receives the temporary or permanent replacement tooth; and a screw which secures the abutment to the body. The root portion of the body consists of multiple legs and is formed from a shape memory alloy. Use of shape memory alloy allows the root portion to assume a closed, elongate shape at cool temperatures and to assume an open, fanned shape at temperatures typical of the human body. The inventive implant is maintained at cool temperatures until and during insertion into the body allowing an easy and non-traumatic placement of the implant. Once in place, the implant warms to body temperature and self expands to anchor itself within surgical site. A method for using this self-expanding dental implant is also provided.
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Hilsmier Patrick A.
Wilson John J.
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